| Great Tinamou Tinamus major | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | heard only | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | heard only | ||
| 4/8/1997 | Carara Reserve: afternoon visit to river trail | heard only | ||
| 4/9/1997 | Carara Reserve: river trail | heard only | ||
| 4/15/1997 | Rancho Naturalista garden and trails, Tuis nr. Turrialba | heard very closely but not seen | ||
| Little Tinamou Crypturellus soui | ||||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | heard only | ||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | heard only | ||
| Least Grebe Tachybaptus dominicus | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 2 | ||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | 1 at Rio Birris water cachement area | ||
| 4/14/1997 | R. Birris water cachement area; Tapanti National Reserve | 3 at R. Birris | ||
| Audubon's Shearwater Puffinus lherminieri | ||||
| 1/19/1998 | Golfo de Nicoyo (Pacific Coast) | several small flocks (10-20 each) | ||
| Brown Pelican Pelecanus occidentalis | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 20 | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | many | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | many | ||
| 1/19/1998 | Golfo de Nicoyo (Pacific Coast) | |||
| Neotropic Cormorant Phalacrocorax brasilianus | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 4 | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 6 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 2 | ||
| Anhinga Anhinga anhinga | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 2 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 1 | ||
| 4/9/1997 | Carara Reserve: river trail | 1 | ||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | 1 | ||
| Magnificent Frigatebird Fregata magnificens | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 25 | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | many | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | many | ||
| 1/19/1998 | Golfo de Nicoyo (Pacific Coast) | |||
| Great Blue Heron Ardea herodias | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 1 | ||
| Great Egret Ardea alba | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | many | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | many | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | many | ||
| 4/9/1997 | Carara Reserve: river trail | 1 | ||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | many | ||
| 1/19/1998 | en route to and at Poas Volcano National Park | |||
| Reddish Egret Egretta rufescens | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 1 | ||
| Tricolored Heron Egretta tricolor | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 1 | ||
| Little Blue Heron Egretta caerulea | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 1 | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 2 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 2 | ||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | 1 at CATIE | ||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | 1 | ||
| Snowy Egret Egretta thula | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | many | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | many | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | many | ||
| 4/9/1997 | Carara Reserve: river trail | 1 | ||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | 1 at CATIE | ||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | 3 | ||
| 1/19/1998 | en route to and at Poas Volcano National Park | |||
| Cattle Egret Bubulcus ibis | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | many | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | many | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | many | ||
| 4/9/1997 | Carara Reserve: river trail | many | ||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | several | ||
| 4/14/1997 | R. Birris water cachement area; Tapanti National Reserve | many | ||
| 4/15/1997 | Rancho Naturalista garden and trails, Tuis nr. Turrialba | many | ||
| 4/16/1997 | Hotel Zurqui grounds; 10 m. north of San Jose; at dusk | 3 | ||
| 4/16/1997 | Rancho Naturalista garden (0530-0700) | several | ||
| 1/19/1998 | en route to and at Poas Volcano National Park | |||
| Green Heron Butorides virescens | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | several | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | several | ||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | several at CATIE | ||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | several | ||
| Yellow-crowned Night-Heron Nyctanassa violacea | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 | ||
| F | Boat-billed Heron Cochlearius cochlearius | |||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 1 at night in spotlight on mudflats | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 10 including several at nest in rookery along Rio Tarcoles oxbow lake in Carara reserve | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 2 on nest along Rio Tarcoles | ||
| 4/9/1997 | Carara Reserve: river trail | 6 | ||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | 4 nesting, roosting at CATIE | ||
| Bare-throated Tiger-Heron Tigrisoma mexicanum | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 in oxbow lake in Carara Reserve | ||
| 4/9/1997 | Carara Reserve: river trail | 1 at oxbow lake | ||
| Wood Stork Mycteria americana | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 1 | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 4 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 2 | ||
| 4/9/1997 | Carara Reserve: river trail | 1 | ||
| White Ibis Eudocimus albus | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | several | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | many | ||
| Roseate Spoonbill Ajaia ajaja | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 6 | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 6 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 1 | ||
| 4/9/1997 | Carara Reserve: river trail | 1 | ||
| Black Vulture Coragyps atratus | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | many | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | many | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | many | ||
| 4/9/1997 | Carara Reserve: river trail | many | ||
| 4/10/1997 | Alberge de Montana Savegre (at approx. 7200 ft. elev.) | several | ||
| 4/10/1997 | Cerro de la Muerte (Interamerican Hwy km 80-97); up to 10500' | several | ||
| 4/11/1997 | Alberge de Montana Savegre (at approx. 7200 ft. elev.) | many | ||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | many | ||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | many | ||
| 4/12/1997 | Rancho Naturalista gardens and trails; Tuis nr. Turrialba | several | ||
| 4/14/1997 | R. Birris water cachement area; Tapanti National Reserve | many | ||
| 4/15/1997 | Rancho Naturalista garden and trails, Tuis nr. Turrialba | many | ||
| 4/16/1997 | Rancho Naturalista garden (0530-0700) | several | ||
| 4/18/1997 | Virgen del Socorro river gorge; Caribbean slope at 2500' | several | ||
| 1/19/1998 | en route to and at Poas Volcano National Park | |||
| Turkey Vulture Cathartes aura | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | many | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | many | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | many | ||
| 4/9/1997 | Carara Reserve: river trail | many | ||
| 4/11/1997 | Alberge de Montana Savegre (at approx. 7200 ft. elev.) | many | ||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | many | ||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | many | ||
| 4/12/1997 | Rancho Naturalista gardens and trails; Tuis nr. Turrialba | 3 | ||
| 4/14/1997 | R. Birris water cachement area; Tapanti National Reserve | many | ||
| 4/15/1997 | Rancho Naturalista garden and trails, Tuis nr. Turrialba | many | ||
| 4/16/1997 | Rancho Naturalista garden (0530-0700) | several | ||
| 4/18/1997 | Virgen del Socorro river gorge; Caribbean slope at 2500' | several | ||
| 1/19/1998 | en route to and at Poas Volcano National Park | |||
| King Vulture Sarcoramphus papa | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 1 soaring high overhead | ||
| Osprey Pandion haliaetus | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 1 | ||
| Gray-headed Kite Leptodon cayanensis | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 | ||
| Hook-billed Kite Chondrohierax uncinatus | ||||
| 4/9/1997 | Carara Reserve: river trail | 1 immature | ||
| Swallow-tailed Kite Elanoides forficatus | ||||
| 4/9/1997 | Alberge de Montana Savegre (at about 7200 ft. elev.) | 4 seen very well soaring over valleys | ||
| 4/10/1997 | Alberge de Montana Savegre (at approx. 7200 ft. elev.) | 1 | ||
| 4/18/1997 | Virgen del Socorro river gorge; Caribbean slope at 2500' | 3 | ||
| White-tailed Kite Elanus leucurus | ||||
| 4/16/1997 | Hotel Zurqui grounds; 10 m. north of San Jose; at dusk | 1 hovering over field across road from hotel | ||
| Double-toothed Kite Harpagus bidentatus | ||||
| 4/12/1997 | Rancho Naturalista gardens and trails; Tuis nr. Turrialba | 1 | ||
| Sharp-shinned Hawk Accipiter striatus | ||||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | 1 soaring high overhead | ||
| F | Semiplumbeous Hawk Leucopternis semiplumbea | |||
| 4/17/1997 | Aerial Tram adjacent to Braulio Carillo Park | 1 adult perched; seen well thru 10x from tram | ||
| White Hawk Leucopternis albicollis | ||||
| 4/18/1997 | Virgen del Socorro river gorge; Caribbean slope at 2500' | 1 adult / 1 imm. seen well perched thru 30x | ||
| F | Mangrove Black-Hawk Buteogallus subtilis | |||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 1 perched in mangroves; seen very well | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 2 on nest | ||
| Gray Hawk Asturina nitida | ||||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | heard only | ||
| Roadside Hawk Buteo magnirostris | ||||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 1 | ||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | 1 perched; seen well thru 30x | ||
| Broad-winged Hawk Buteo platypterus | ||||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 1 immature eating lizard | ||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | 1 soaring overhead | ||
| Short-tailed Hawk Buteo brachyurus | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 1 | ||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | 1 soaring overhead | ||
| 1/19/1998 | en route to and at Poas Volcano National Park | |||
| Red-tailed Hawk Buteo jamaicensis | ||||
| 4/10/1997 | Cerro de la Muerte (Interamerican Hwy km 80-97); up to 10500' | 1 light morph | ||
| Crested Caracara Caracara cheriway | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 | ||
| Yellow-headed Caracara Milvago chimachima | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 | ||
| 4/8/1997 | Carara Reserve: afternoon visit to river trail | 1 | ||
| 4/9/1997 | Carara Reserve: river trail | heard only | ||
| Laughing Falcon Herpetotheres cachinnans | ||||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | heard only | ||
| 4/9/1997 | Carara Reserve: river trail | heard only | ||
| Barred Forest-Falcon Micrastur ruficollis | ||||
| 4/12/1997 | Rancho Naturalista gardens and trails; Tuis nr. Turrialba | 1 imm. seen perched thru 10x in good light | ||
| 4/14/1997 | R. Birris water cachement area; Tapanti National Reserve | 1 flushed a couple of times from forest | ||
| F | Collared Forest-Falcon Micrastur semitorquatus | |||
| 4/9/1997 | Carara Reserve: river trail | 1 seen very well perched in 30x scope | ||
| Bat Falcon Falco rufigularis | ||||
| 4/17/1997 | Aerial Tram adjacent to Braulio Carillo Park | 1 seen perched thru 10x from tram | ||
| F | Gray-headed Chachalaca Ortalis cinereiceps | |||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | 1 at R.N. feeders | ||
| 4/12/1997 | Rancho Naturalista gardens and trails; Tuis nr. Turrialba | 5 at fruit feeders | ||
| 4/15/1997 | Rancho Naturalista garden and trails, Tuis nr. Turrialba | 3 | ||
| 4/16/1997 | Rancho Naturalista garden (0530-0700) | 4 | ||
| F | Crested Guan Penelope purpurascens | |||
| 4/8/1997 | Carara Reserve: afternoon visit to river trail | 1 seen very well thru 30x scope; crest seen | ||
| 4/17/1997 | Aerial Tram adjacent to Braulio Carillo Park | 1 flew by aerial tram; red throat seen | ||
| F | Black Guan Chamaepetes unicolor | |||
| 4/10/1997 | Alberge de Montana Savegre (at approx. 7200 ft. elev.) | 1 in tree right by cabins; thru 30x at dusk | ||
| F | Spotted Wood-Quail Odontophorus guttatus | |||
| 4/10/1997 | Alberge de Montana Savegre (at approx. 7200 ft. elev.) | 2 good but brief look at pair scurrying along forest floor | ||
| White-throated Crake Laterallus albigularis | ||||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | 1 adult; 1 juv. seen well but briefly as they ran across road | ||
| Gray-breasted Crake Laterallus exilis | ||||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | heard only | ||
| Purple Gallinule Porphyrula martinica | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 1 in marsh by bridge over Rio Tarcoles | ||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | several at CATIE | ||
| F | Sunbittern Eurypyga helias | |||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | 1 seen v. well thru 30x along R. Cimmarron; eyespot pattern; heard calling | ||
| Northern Jacana Jacana spinosa | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 12 in marsh by bridge over Rio Tarcoles | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 1 | ||
| 4/9/1997 | Carara Reserve: river trail | 1 | ||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | many at CATIE | ||
| Black-bellied Plover Pluvialis squatarola | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | several | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 6 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 6 | ||
| Semipalmated Plover Charadrius semipalmatus | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 4 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 6 | ||
| Wilson's Plover Charadrius wilsonia | ||||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 8 | ||
| Killdeer Charadrius vociferus | ||||
| 4/14/1997 | R. Birris water cachement area; Tapanti National Reserve | 2 at R. Birris | ||
| Whimbrel Numenius phaeopus | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | several | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | several | ||
| Spotted Sandpiper Actitis macularia | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 2 | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | several | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | several | ||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | 1 | ||
| 4/14/1997 | R. Birris water cachement area; Tapanti National Reserve | 2 at R. Birris | ||
| Willet Catoptrophorus semipalmatus | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 1 | ||
| Ruddy Turnstone Arenaria interpres | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 40 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 10 | ||
| Sanderling Calidris alba | ||||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 3 along beach | ||
| Western Sandpiper Calidris mauri | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | several | ||
| Least Sandpiper Calidris minutilla | ||||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 2 | ||
| Wilson's Phalarope Phalaropus tricolor | ||||
| 1/19/1998 | Golfo de Nicoyo (Pacific Coast) | small flock of 20-25 | ||
| Laughing Gull Larus atricilla | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 4 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 2 | ||
| 1/19/1998 | Golfo de Nicoyo (Pacific Coast) | |||
| 1/19/1998 | Puerto Caldera (port on Pacific Coast near Puntarenas) | |||
| Caspian Tern Sterna caspia | ||||
| 1/19/1998 | Golfo de Nicoyo (Pacific Coast) | 2 seen well | ||
| Elegant Tern Sterna elegans | ||||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | several among Royal Terns in roosting flock | ||
| Royal Tern Sterna maxima | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | many roosting on beach | ||
| 1/19/1998 | Puerto Caldera (port on Pacific Coast near Puntarenas) | |||
| Common Tern Sterna hirundo | ||||
| 1/19/1998 | Puerto Caldera (port on Pacific Coast near Puntarenas) | |||
| Black Tern Chlidonias niger | ||||
| 1/19/1998 | Puerto Caldera (port on Pacific Coast near Puntarenas) | many flocks in winter plumage in harbor | ||
| Black Skimmer Rynchops niger | ||||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 1 along Rio Tarcoles near river mouth | ||
| Rock Dove Columba livia | ||||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | several | ||
| Band-tailed Pigeon Columba fasciata | ||||
| 4/10/1997 | Cerro de la Muerte (Interamerican Hwy km 80-97); up to 10500' | 1 white mark on nape seen | ||
| Pale-vented Pigeon Columba cayennensis | ||||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | several incl. some seen v. well thru 30x | ||
| 1/19/1998 | en route to and at Poas Volcano National Park | |||
| Red-billed Pigeon Columba flavirostris | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 in scope | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 1 | ||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | 2 | ||
| 4/12/1997 | Rancho Naturalista gardens and trails; Tuis nr. Turrialba | 2 | ||
| 4/14/1997 | R. Birris water cachement area; Tapanti National Reserve | 1 | ||
| 4/15/1997 | Rancho Naturalista garden and trails, Tuis nr. Turrialba | 1 | ||
| 4/16/1997 | Hotel Zurqui grounds; 10 m. north of San Jose; at dusk | 1 | ||
| 4/16/1997 | Rancho Naturalista garden (0530-0700) | 1 | ||
| 4/17/1997 | fields across main road from Hotel Zurqui; 10m. N of San Jose | 2 | ||
| F | Short-billed Pigeon Columba nigrirostris | |||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 1 | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 2 calling; seen through scope | ||
| 4/17/1997 | Aerial Tram adjacent to Braulio Carillo Park | 1 | ||
| Ruddy Pigeon Columba subvinacea | ||||
| 4/9/1997 | Alberge de Montana Savegre (at about 7200 ft. elev.) | 1 calling; seen well through 30x scope | ||
| 4/10/1997 | Alberge de Montana Savegre (at approx. 7200 ft. elev.) | 2 calling; seen thru 30x scope in great light | ||
| 4/11/1997 | Alberge de Montana Savegre (at approx. 7200 ft. elev.) | 2 | ||
| Mourning Dove Zenaida macroura | ||||
| 4/11/1997 | C.A.T.I.E. ponds; Rancho Naturalista gardens | 1 on fencepost along road near CATIE | ||
| 4/14/1997 | R. Birris water cachement area; Tapanti National Reserve | 1 at R. Birris | ||
| 1/19/1998 | Puerto Caldera (port on Pacific Coast near Puntarenas) | |||
| Common Ground-Dove Columbina passerina | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | many | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | several | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | several | ||
| Ruddy Ground-Dove Columbina talpacoti | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | many | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | several | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | several | ||
| 4/9/1997 | Carara Reserve: river trail | 2 | ||
| 4/12/1997 | Carib. lowlands: R. Cimmaron nr Siquerres; EARTH nr Guapiles | several | ||
| 4/15/1997 | Rancho Naturalista garden and trails, Tuis nr. Turrialba | 1 | ||
| 4/16/1997 | Rancho Naturalista garden (0530-0700) | 1 | ||
| Inca Dove Columbina inca | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | several | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | several | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | many | ||
| F | Blue Ground-Dove Claravis pretiosa | |||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 2 flying away; poor look | ||
| White-tipped Dove Leptotila verreauxi | ||||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 6 | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | several | ||
| 4/9/1997 | Carara Reserve: river trail | several | ||
| 4/10/1997 | Alberge de Montana Savegre (at approx. 7200 ft. elev.) | 1 | ||
| 4/11/1997 | Alberge de Montana Savegre (at approx. 7200 ft. elev.) | 1 | ||
| 4/12/1997 | Rancho Naturalista gardens and trails; Tuis nr. Turrialba | 3 | ||
| 4/14/1997 | R. Birris water cachement area; Tapanti National Reserve | 1 | ||
| 4/15/1997 | Rancho Naturalista garden and trails, Tuis nr. Turrialba | 2 | ||
| 4/16/1997 | Rancho Naturalista garden (0530-0700) | 1 | ||
| F | Gray-chested Dove Leptotila cassini | |||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 1 on ground; seen well at Carara Reserve | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 1 | ||
| 4/9/1997 | Carara Reserve: river trail | 5 | ||
| 4/12/1997 | Rancho Naturalista gardens and trails; Tuis nr. Turrialba | 1 | ||
| F | Purplish-backed Quail-Dove Geotrygon lawrencii | |||
| 4/15/1997 | Rancho Naturalista garden and trails, Tuis nr. Turrialba | 1 seen briefly walking on trail and up slope inforest; also heard calling | ||
| F | Chiriqui Quail-Dove Geotrygon chiriquensis | |||
| 4/15/1997 | Rancho Naturalista garden and trails, Tuis nr. Turrialba | 1 seen briefly flying up slope; also heard calling | ||
| Scarlet Macaw Ara macao | ||||
| 4/6/1997 | Tarcol lodge; overlook above waterfall (road to Bijagual) | 68 flying overhead at bridge over Rio Tarcoles at dusk (about 5:45pm) | ||
| 4/7/1997 | Carara Reserve: river and h'quarters trails; Tarcol R. mouth | 30 many seen perched in trees through 30x scope | ||
| 4/8/1997 | Rio Tarcoles scrub trail near Tarcol Lodge; Playa Azul | 2 flying overhead | ||
| 4/9/1997 | Carara Reserve: river trail | 15 including many perched in great light | ||