| 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 | ||||
| 11/1/1989 | Iguacu NP | |||
| 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 | ||||
| 11/1/1989 | Iguacu NP | |||
| 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 | ||||
| 11/1/1989 | Iguacu NP | |||
| 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 | ||||
| 11/1/1989 | Iguacu NP | |||
| 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 | ||||
| 11/1/1989 | Iguacu NP | |||
| 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 | ||
| Black Vulture Coragyps atratus | ||||
| 11/1/1989 | Iguacu NP | |||
| Turkey Vulture Cathartes aura | ||||
| 11/1/1989 | Iguacu NP | |||
| 2/5/2003 | Golfo Nuevo, Puerto Madryn, and Peninsula Valdes | several | ||
| 2/9/2003 | Tierra del Fuego NP, Ushuaia town/harbor | 1 | ||
| Swallow-tailed Kite Elanoides forficatus | ||||
| 11/1/1989 | Iguacu NP | 3 | ||
| 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 | ||||
| 11/1/1989 | Iguacu NP | |||
| 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 | ||
| F | Plumbeous Kite Ictinia plumbea | |||
| 11/1/1989 | Iguacu NP | |||
| 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 | ||
| Yellow-headed Caracara Milvago chimachima | ||||
| 11/1/1989 | Iguacu NP | |||
| 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 | ||||
| 11/1/1989 | Iguacu NP | |||
| 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 | ||||
| 11/1/1989 | Iguacu NP | |||
| 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 | ||||
| 11/1/1989 | Iguacu NP | pair with two young | ||
| 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 | ||||