| F | Greater Rhea Rhea americana | |||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 8 including some seen quite closely; video | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 2 | ||
| F | Lesser Rhea Rhea pennata | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 male and several females; video | ||
| F | Darwin's Nothura Nothura darwinii | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 flushed from side of road | ||
| F | Spotted Nothura Nothura maculosa | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 flushed from roadside verges | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 1 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| F | Elegant Crested Tinamou Eudromia elegans | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 6 in photo and video | ||
| F | Magellanic Penguin Spheniscus magellanicus | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 50 adults plus 1 juvenile | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 100s | ||
| Pied-billed Grebe Podilymbus podiceps | ||||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 50 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 10 | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | many | ||
| White-tufted Grebe Rollandia rolland | ||||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 100 | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | many | ||
| Great Grebe Podiceps major | ||||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 2 | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 2 | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 20 | ||
| Royal Albatross Diomedea epomophora | ||||
| 2/8/2003 | off Staten Islands & Isla Grande between 62 - 66 deg West | 10 | ||
| Black-browed Albatross Thalassarche melanophris | ||||
| 2/4/2003 | at sea off coast of Argentina between 36 and 41 degrees South | 13 | ||
| 2/6/2003 | At sea off Argentina between 45 and 47 degrees South | 50 | ||
| 2/8/2003 | off Staten Islands & Isla Grande between 62 - 66 deg West | 100 | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 1000 | ||
| Antarctic Giant Petrel Macronectes giganteus | ||||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 10 in several groups cruising around penguin/sea lion colony | ||
| 2/6/2003 | At sea off Argentina between 45 and 47 degrees South | 50 | ||
| 2/8/2003 | off Staten Islands & Isla Grande between 62 - 66 deg West | 20 | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 50 | ||
| Great-winged Petrel Pterodroma macroptera | ||||
| 2/6/2003 | At sea off Argentina between 45 and 47 degrees South | 2 | ||
| F | Gray Petrel Procellaria cinerea | |||
| 2/4/2003 | at sea off coast of Argentina between 36 and 41 degrees South | 2 | ||
| F | White-chinned Petrel Procellaria aequinoctialis | |||
| 2/6/2003 | At sea off Argentina between 45 and 47 degrees South | 5 | ||
| Greater Shearwater Puffinus gravis | ||||
| 2/4/2003 | at sea off coast of Argentina between 36 and 41 degrees South | 2 | ||
| 2/6/2003 | At sea off Argentina between 45 and 47 degrees South | 1 | ||
| Sooty Shearwater Puffinus griseus | ||||
| 2/8/2003 | off Staten Islands & Isla Grande between 62 - 66 deg West | 30 | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 6 | ||
| Manx Shearwater Puffinus puffinus | ||||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 200 at dusk in Golfo Nuevo as ship was departing | ||
| Wilson's Storm-Petrel Oceanites oceanicus | ||||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 | ||
| Neotropic Cormorant Phalacrocorax brasilianus | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 40 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 1 | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | several | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 20 | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 3 | ||
| F | Rock Shag Phalacrocorax magellanicus | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 | ||
| F | Imperial Shag Phalacrocorax atriceps | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 6 of race albiventer (King Cormorant) | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 1000 King Cormorant (albiventer) | ||
| F | Whistling Heron Syrigma sibilatrix | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 4 seen through scope at a distance | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 1 seen at very close range | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 30 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 10 | ||
| Cocoi Heron Ardea cocoi | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 6 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 5 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 5 | ||
| Great Egret Ardea alba | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 4 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 4 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | many | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | many | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 | ||
| Snowy Egret Egretta thula | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 6 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 4 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | many | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | many | ||
| Cattle Egret Bubulcus ibis | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 40 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| Striated Heron Butorides striatus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 4 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 6 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 10 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | several | ||
| Black-crowned Night-Heron Nycticorax nycticorax | ||||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | 1 | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 6 | ||
| Rufescent Tiger-Heron Tigrisoma lineatum | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 seen well through scope | ||
| Wood Stork Mycteria americana | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 2 | ||
| F | Maguari Stork Ciconia maguari | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 6 in wet fields | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 2 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 5 | ||
| F | Bare-faced Ibis Phimosus infuscatus | |||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 4 seen flying overhead | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 100 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| White-faced Ibis Plegadis chihi | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 3 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 10 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 100 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 15 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | many | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | several | ||
| Roseate Spoonbill Platalea ajaja | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 6 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 1 | ||
| Chilean Flamingo Phoenicopterus chilensis | ||||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 2 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 4 | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 5 | ||
| F | Southern Screamer Chauna torquata | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 100 seen everywhere in wet meadows and fields | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 6 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 10 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 2 | ||
| Fulvous Whistling-Duck Dendrocygna bicolor | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 4 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 6 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 4 | ||
| White-faced Whistling-Duck Dendrocygna viduata | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 | ||
| F | Black-necked Swan Cygnus melanocorypha | |||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 150 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 30 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 10 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | many | ||
| F | Coscoroba Swan Coscoroba coscoroba | |||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 50 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 10 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 8 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | several | ||
| Upland Goose Chloephaga picta | ||||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 50 | ||
| Kelp Goose Chloephaga hybrida | ||||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 20 | ||
| F | Ashy-headed Goose Chloephaga poliocephala | |||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 4 | ||
| F | Flightless Steamerduck Tachyeres pteneres | |||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 30 | ||
| F | White-headed Steamerduck Tachyeres leucocephalus | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 male on beach at the Bird Islands | ||
| F | Flying Steamerduck Tachyeres patachonicus | |||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 4 seen flying | ||
| F | Ringed Teal Callonetta leucophrys | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 12 seen very well perched on fence posts and inmarsh | ||
| F | Brazilian Teal Amazonetta brasiliensis | |||
| 1/28/2003 | Otamendi Natural Reserve, Campana | pair swimming near road; then 6 flying over | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 10 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 2 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 4 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 2 | ||
| F | Chiloe Wigeon Anas sibilatrix | |||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 2 | ||
| Speckled Teal Anas flavirostris | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 6 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 10 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| F | Spectacled Duck Anas specularis | |||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 3 | ||
| Crested Duck Anas specularioides | ||||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 20 | ||
| Yellow-billed Pintail Anas georgica | ||||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 6 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 10 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 10 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| F | Silver Teal Anas versicolor | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 40 seen very well in marshes | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 6 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | many | ||
| F | Rosy-billed Pochard Netta peposaca | |||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 4 including a nice male | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 8 | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | 3 | ||
| F | Lake Duck Oxyura vittata | |||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 30 | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | 1 | ||
| Turkey Vulture Cathartes aura | ||||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | several | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 1 | ||
| White-tailed Kite Elanus leucurus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 1 | ||
| Snail Kite Rostrhamus sociabilis | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | many | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | many | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | several | ||
| Long-winged Harrier Circus buffoni | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| Cinereous Harrier Circus cinereus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 2 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| Black-chested Buzzard-Eagle Geranoaetus melanoleucus | ||||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 3 | ||
| Roadside Hawk Buteo magnirostris | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | several | ||
| Variable Hawk Buteo polyosoma | ||||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 Red-backed | ||
| F | White-throated Caracara Phalcoboenus albogularis | |||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 2 at small dump near harbor | ||
| Southern Caracara Caracara plancus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | many | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | many | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 4 | ||
| F | Chimango Caracara Milvago chimango | |||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 4 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | many | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 3 | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 30 | ||
| American Kestrel Falco sparverius | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 2 | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 3 | ||
| Aplomado Falcon Falco femoralis | ||||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 | ||
| Limpkin Aramus guarauna | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 12 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 6 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| F | Giant Wood-Rail Aramides ypecaha | |||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 3 seen well | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 12 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 which responded strongly to the tape | ||
| Plumbeous Rail Pardirallus sanguinolentus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| Common Moorhen Gallinula chloropus | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | several | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | many | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| F | Spot-flanked Gallinule Gallinula melanops | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 8 seen very well through scope | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 10 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 12 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | several | ||
| F | White-winged Coot Fulica leucoptera | |||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 100 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | many | ||
| F | Red-gartered Coot Fulica armillata | |||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 garters seen well | ||
| F | Red-fronted Coot Fulica rufifrons | |||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 10 | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | 2 | ||
| Wattled Jacana Jacana jacana | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 20 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| F | Magellanic Oystercatcher Haematopus leucopodus | |||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 2 | ||
| Blackish Oystercatcher Haematopus ater | ||||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 10 | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 5 | ||
| American Oystercatcher Haematopus palliatus | ||||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 1 | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 30 | ||
| F | White-backed Stilt Himantopus melanurus | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 3 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | 2 | ||
| Southern Lapwing Vanellus chilensis | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 6 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | many | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | many | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | several | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 1 | ||
| American Golden-Plover Pluvialis dominica | ||||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 1 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| Black-bellied Plover Pluvialis squatarola | ||||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| Semipalmated Plover Charadrius semipalmatus | ||||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| F | Two-banded Plover Charadrius falklandicus | |||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 15 | ||
| F | South American Snipe Gallinago paraguaiae | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 3 in wet meadows | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| Hudsonian Godwit Limosa haemastica | ||||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| Lesser Yellowlegs Tringa flavipes | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 6 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| Solitary Sandpiper Tringa solitaria | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 | ||
| Red Knot Calidris canutus | ||||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 2 | ||
| White-rumped Sandpiper Calidris fuscicollis | ||||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| Baird's Sandpiper Calidris bairdii | ||||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| Chilean Skua Stercorarius chilensis | ||||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 15 | ||
| F | Dolphin Gull Larus scoresbii | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 at sea lion colony | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 30 | ||
| F | Olrog's Gull Larus atlanticus | |||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 1 juvenile seen well | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 15 including adults and juveniles | ||
| Kelp Gull Larus dominicanus | ||||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | many | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | many | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 100 | ||
| Gray-headed Gull Larus cirrocephalus | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| Brown-hooded Gull Larus maculipennis | ||||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | many | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | several | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 6 | ||
| Sandwich Tern Sterna sandvicensis | ||||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 Cayenne Tern | ||
| Royal Tern Sterna maxima | ||||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 6 | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 2 | ||
| South American Tern Sterna hirundinacea | ||||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | many | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 2 | ||
| F | Snowy-crowned Tern Sterna trudeaui | |||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 1 seen flying by | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 4 | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 | ||
| Black Skimmer Rynchops niger | ||||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 3 along beach | ||
| Rock Dove Columba livia | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | several | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 3 | ||
| Picazuro Pigeon Columba picazuro | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | several | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | many | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 4 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| Eared Dove Zenaida auriculata | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | several | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | several | ||
| Picui Ground-Dove Columbina picui | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | many | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | several | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 4 | ||
| F | Nanday Parakeet Nandayus nenday | |||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 15 in a flock flying away | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | 2 perched; seen well in good light | ||
| F | Burrowing Parrot Cyanoliseus patagonus | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 seen perched in good light; pair flying over | ||
| Monk Parakeet Myiopsitta monachus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 50 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | many | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | many | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | several | ||
| Guira Cuckoo Guira guira | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 3 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 6 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | 1 | ||
| Striped Cuckoo Tapera naevia | ||||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 1 | ||
| F | Austral Pygmy-Owl Glaucidium nanum | |||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 1 seen well and heard; video and photo | ||
| Burrowing Owl Athene cunicularia | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 1 | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | 6 | ||
| Glittering-bellied Emerald Chlorostilbon aureoventris | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 6 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 2 | ||
| F | Gilded Sapphire Hylocharis chrysura | |||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 2 seen well at close range | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| Ringed Kingfisher Ceryle torquata | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| Green Kingfisher Chloroceryle americana | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| F | White-barred Piculet Picumnus cirratus | |||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 male seen very well on bare snag | ||
| F | Checkered Woodpecker Picoides mixtus | |||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 seen very well as it responded to the tape | ||
| Green-barred Woodpecker Colaptes melanochloros | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 4 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 8 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 2 | ||
| Campo Flicker Colaptes campestris | ||||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 1 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 6 | ||
| F | Magellanic Woodpecker Campephilus magellanicus | |||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 2 males; heard and seen; video | ||
| F | Scale-throated Earthcreeper Upucerthia dumetaria | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 seen well | ||
| F | Dark-bellied Cinclodes Cinclodes patagonicus | |||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 2 | ||
| Bar-winged Cinclodes Cinclodes fuscus | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 1 | ||
| Rufous Hornero Furnarius rufus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | many | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | many | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | several | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | many | ||
| F | Thorn-tailed Rayadito Aphrastura spinicauda | |||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 10 | ||
| F | Plain-mantled Tit-Spinetail Leptasthenura aegithaloides | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 seen well in scrubby canyon | ||
| F | Tufted Tit-Spinetail Leptasthenura platensis | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 seen well | ||
| Wren-like Rushbird Phleocryptes melanops | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| F | Curve-billed Reedhaunter Limnornis curvirostris | |||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 2 seen very well as they responded to the tape | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 3 | ||
| F | Straight-billed Reedhaunter Limnornis rectirostris | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 6 seen well at close range; responded to tape | ||
| F | Bay-capped Wren-Spinetail Spartonoica maluroides | |||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 seen well in reeds | ||
| Sooty-fronted Spinetail Synallaxis frontalis | ||||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 1 | ||
| Pale-breasted Spinetail Synallaxis albescens | ||||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 1 | ||
| F | Chicli Spinetail Synallaxis spixi | |||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 1 seen fairly well; responded to tape | ||
| F | Sulphur-bearded Spinetail Cranioleuca sulphurifera | |||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 seen very well at close range; responded to tape | ||
| Yellow-chinned Spinetail Certhiaxis cinnamomea | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 1 | ||
| F | Lesser Canastero Asthenes pyrrholeuca | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 2 | ||
| F | Short-billed Canastero Asthenes baeri | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 seen well perched on fence post | ||
| F | Patagonian Canastero Asthenes patagonica | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 2 | ||
| F | Greater Thornbird Phacellodomus ruber | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 seen well along minor road | ||
| F | Freckle-breasted Thornbird Phacellodomus striaticollis | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 seen well and heard | ||
| F | Firewood-gatherer Anumbius annumbi | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 10 seen and heard very well | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 10 | ||
| F | Brown Cacholote Pseudoseisura lophotes | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 seen very well in great light | ||
| Narrow-billed Woodcreeper Lepidocolaptes angustirostris | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | heard only | ||
| Rufous-capped Antshrike Thamnophilus ruficapillus | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 seen well at close range | ||
| White-crested Elaenia Elaenia albiceps | ||||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 4 | ||
| F | Sooty Tyrannulet Serpophaga nigricans | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 seen well near wet meadow | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| F | White-crested Tyrannulet Serpophaga subcristata | |||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 | ||
| F | White-bellied Tyrannulet Serpophaga munda | |||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 | ||
| Southern Scrub-Flycatcher Sublegatus modestus | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| Suiriri Flycatcher Suiriri suiriri | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| Tufted Tit-Tyrant Anairetes parulus | ||||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 | ||
| Many-colored Rush-Tyrant Tachuris rubrigastra | ||||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | 1 male seen very well at close range; respondedto tape | ||
| F | Warbling Doradito Pseudocolopteryx flaviventris | |||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 male seen well at close range | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| Bran-colored Flycatcher Myiophobus fasciatus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 fledgling caught by Sergio; viewed in hand | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 1 | ||
| Vermilion Flycatcher Pyrocephalus rubinus | ||||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 2 | ||
| White Monjita Xolmis irupero | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 6 | ||
| F | Chocolate-vented Tyrant Neoxolmis rufiventris | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 seen briefly flying across road in front of car | ||
| F | Gray-bellied Shrike-Tyrant Agriornis microptera | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 2 seen at distance perched on bushes | ||
| F | Austral Negrito Lessonia rufa | |||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 1 seen at close range in the pampas | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 12 | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 40 including mostly female/imm. plumage | ||
| F | Spectacled Tyrant Hymenops perspicillatus | |||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 female; eye-ring seen well | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | pair seen very well in good light | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 8 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 2 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 10 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 4 | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 | ||
| Black-backed Water-Tyrant Fluvicola albiventer | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 | ||
| Yellow-browed Tyrant Satrapa icterophrys | ||||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 6 | ||
| Cattle Tyrant Machetornis rixosus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | several | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | several | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| Great Kiskadee Pitangus sulphuratus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 6 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | many | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | many | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | many | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| Streaked Flycatcher Myiodynastes maculatus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| Tropical Kingbird Tyrannus melancholicus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | many | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | many | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | many | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| Fork-tailed Flycatcher Tyrannus savana | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | many | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | many | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | many | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | several | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | many | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 1 | ||
| Brown-chested Martin Progne tapera | ||||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 4 | ||
| Gray-breasted Martin Progne chalybea | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 6 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | several | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| F | Southern Martin Progne elegans | |||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | pair at bridge over canal; see well in good light | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 2 | ||
| White-rumped Swallow Tachycineta leucorrhoa | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | many | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | many | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| F | Chilean Swallow Tachycineta meyeni | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 3 | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 2 | ||
| Blue-and-white Swallow Pygochelidon cyanoleuca | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 4 | ||
| Cliff Swallow Petrochelidon pyrrhonota | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 50 flew over in a single flock | ||
| Barn Swallow Hirundo rustica | ||||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 50 in a flock along side road | ||
| F | Correndera Pipit Anthus correndera | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 6 | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 6 | ||
| F | Hellmayr's Pipit Anthus hellmayri | |||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 1 seen at very close range on the dirt road thru the pampas | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 4 | ||
| Yellowish Pipit Anthus lutescens | ||||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| House Wren Troglodytes aedon | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 4 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 4 | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 10 | ||
| Chalk-browed Mockingbird Mimus saturninus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | several | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| F | Patagonian Mockingbird Mimus patagonicus | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 30 | ||
| Rufous-bellied Thrush Turdus rufiventris | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 6 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 6 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 2 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | 1 | ||
| F | Austral Thrush Turdus falcklandii | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 10 | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 50 | ||
| Creamy-bellied Thrush Turdus amaurochalinus | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 | ||
| F | Masked Gnatcatcher Polioptila dumicola | |||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 male seen well at close range | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 2 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 6 | ||
| House Sparrow Passer domesticus | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | several | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | several | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 2 | ||
| Red-eyed Vireo Vireo olivaceus | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| European Greenfinch Carduelis chloris | ||||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| Hooded Siskin Carduelis magellanica | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 4 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 20 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 50 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 20 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 6 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| Black-chinned Siskin Carduelis barbata | ||||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 2 | ||
| Masked Yellowthroat Geothlypis aequinoctialis | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| Sayaca Tanager Thraupis sayaca | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 8 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| Blue-and-yellow Tanager Thraupis bonariensis | ||||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | pair seen very well thru scope in good light | ||
| F | Diademed Tanager Stephanophorus diadematus | |||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 2 seen well as they responded to tape | ||
| F | Patagonian Sierra-Finch Phrygilus patagonicus | |||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 4 | ||
| Mourning Sierra-Finch Phrygilus fruticeti | ||||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 20 | ||
| F | Long-tailed Reed-Finch Donacospiza albifrons | |||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 5 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 4 | ||
| F | Common Diuca-Finch Diuca diuca | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 4 | ||
| F | Black-and-rufous Warbling-Finch Poospiza nigrorufa | |||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 juvenile | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 male | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 4 | ||
| Blue-black Grassquit Volatinia jacarina | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 1 | ||
| F | Rusty-collared Seedeater Sporophila collaris | |||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 female | ||
| Yellow-bellied Seedeater Sporophila nigricollis | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 male seen well at close range; unexpected here | ||
| Double-collared Seedeater Sporophila caerulescens | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | several | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 6 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | 2 | ||
| F | Dark-throated Seedeater Sporophila ruficollis | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 | ||
| F | Chestnut Seedeater Sporophila cinnamomea | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 1 female | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 male | ||
| Saffron Finch Sicalis flaveola | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 female | ||
| Grassland Yellow-Finch Sicalis luteola | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | many | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | many | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| F | Great Pampa-Finch Embernagra platensis | |||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 6 including several seen very well | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 2 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 2 | ||
| Red-crested Cardinal Paroaria coronata | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | many | ||
| F | Yellow-billed Cardinal Paroaria capitata | |||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 seen well at close range | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | male, female, and immature | ||
| Rufous-collared Sparrow Zonotrichia capensis | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 6 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | several | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | several | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | several | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | several | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | several | ||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 10 | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | many | ||
| Grayish Saltator Saltator coerulescens | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| F | Glaucous-blue Grosbeak Cyanoloxia glaucocaerulea | |||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 1 male attracted to tape; photo and video | ||
| F | Yellow-winged Blackbird Agelaius thilius | |||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 10 seen well--both males and females | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 30 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 20 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | several | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| 2/2/2003 | outside Costanera Sur, Buenos Aires | 4 | ||
| F | Unicolored Blackbird Agelaius cyanopus | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 4 | ||
| Chestnut-capped Blackbird Agelaius ruficapillus | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| White-browed Blackbird Sturnella superciliaris | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 2 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 10 | ||
| F | Pampas Meadowlark Sturnella defillippi | |||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 4 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 4 | ||
| F | Long-tailed Meadowlark Sturnella loyca | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | 10 | ||
| Bay-winged Cowbird Molothrus badius | ||||
| 1/28/2003 | Otamendi Natural Reserve, Campana | 1 | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 4 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | several | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 6 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | 20 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| F | Screaming Cowbird Molothrus rufoaxillaris | |||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 20 in a flock near road | ||
| Shiny Cowbird Molothrus bonariensis | ||||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | many | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | many | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | several | ||
| Epaulet Oriole Icterus cayanensis | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 2 | ||
| 1/30/2003 | 0900-1200 at Costanera Sur NR, Buenos Aires | 2 | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | 2 | ||
| Solitary Cacique Cacicus solitarius | ||||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 1 heard; then it was seen as it responded to the tape | ||
| F | Brown-and-yellow Marshbird Pseudoleistes virescens | |||
| 1/28/2003 | Otamendi Natural Reserve, Campana | many | ||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 10 | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 25 | ||
| 1/30/2003 | pampas nr. San Clemente de Tuyu; seashore from 1945 to 2010 | 20 | ||
| 1/31/2003 | pampas nr. San Clemente de Tuyu; seashore from 1500 to 1600 | many | ||
| 2/1/2003 | drive along Rt. 11 from San Clemente to Buenos Aires (am) | many | ||
| F | Scarlet-headed Blackbird Amblyramphus holosericeus | |||
| 1/29/2003 | Otamendi Natural Reserve, Campana | 6 seen well through scope | ||
| 1/29/2003 | Entre Rios Province along Rt. 14 north for 80 kms | 4 seen well | ||
| F | Austral Blackbird Curaeus curaeus | |||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 15 in a couple of flocks | ||
615 sightings; 234 species seen; 99 life birds.