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A Report from

Bird List for Costa Rica ,

Chris Cameron  + Julie Dawson

In the following list, the birds English (US) and scientific names are used. The details in brackets indicate the order in which the birds were seen, where possible the number of days on which it was recorded and for species that were found/identified for us, either by a guide or another birdwatcher, the letter G . Thus, Pacific Screech-Owl -  Otus cooperi (164,1,G) was the 164th  bird seen , was seen on only one day and was located for us by another birder.

WEDGE-TAILED SHEARWATER - Puffinus pacificus  (113,2) - seen on both Bahia Drake pelagics.
SOOTY SHEARWATER - Puffinus griseus (138,2) - less common than above and only positively identified on the second trip.
BROWN PELICAN - Pelicanus occidentalis (70,14) - seen daily at coastal sites, often in very large numbers.
BROWN BOOBY - Sula leucogaster (109,3) - much the commonest Booby, seen on both Pelagics and close to shore from the boat to Corcovado.
RED-FOOTED BOOBY - Sula sula (137,1) - small numbers, mostly juveniles seen on the second pelagic.
OLIVACEOUS (NEOTROPIC) CORMORANT - Phalacracorax olivaceus - (55,6+) - quite common at coastal sites. Possibly under-recorded. 
ANHINGA - Anhinga anhinga (62,6) - also quite common at coastal sites .
MAGNIFICENT FRIGATEBIRD - Fregata magnificens (50,8) - seen at most coastal sites. Very common around Punta Leona/Tarcoles area where several flocks of Frigatebirds and Pelicans containing hundreds of birds were seen.
LEAST BITTERN - Ixobrychus exilis (294,1) - 2 seen at close quarters on the Aviarios canoe trip.
FASCIATED TIGER-HERON - Tigrisoma fasciata (220,1) - single bird noted along Rio Burio, Fortuna.
BARE-THROATED TIGER-HERON - Tigrisoma mexicanum (88,4) - seen at Tortuguero, Bahia Drake, Tarcoles and Palo Verde, often at close quarters.
YELLOW-CROWNED NIGHT HERON - Nyctanassa violacea (75,4) - quite common were present. Seen at Tortuguero, Tarcoles and Aviarios.
CATTLE EGRET - Bulbulcus ibis (25,10+) - common and widespread - seen at most coastal sites and middle elevations.
STRIATED HERON - Butorides striatus (76,5) - examples of both variants seen. Possibly under-recorded, as we have the impression that we saw lots of this species.
LITTLE BLUE HERON - Egretta caerulea (59,8) - usually quite common - seen at most coastal and lowland sites.
TRICOLORED HERON - Egretta tricolor (293,1) - only seen during the canoe trip from Aviarios.
SNOWY EGRET - Egretta thula (51,5) - common around Tortuguero and Aviarios
GREAT EGRET - Casmerodius albus (Egretta alba?) (48,7) - seen at most coastal/wetland sites. Often quite common.
GREAT BLUE HERON - Ardea herodius (53,4) - several individuals seen Tortuguero, Tarcoles, Palo Verde and Aviarios.
WOOD STORK - Mycteria americana (49,4) - Several seen from boat to Tortuguero. Common around Palo Verde.
GREEN IBIS - Mesembrinibis cayennensis (185,2) - present at Palo Verde where probably quite common.
WHITE IBIS - Eudocimus albus (141,1) - seemingly fairly common around Sierpe, Tarcoles and Palo Verde.
GLOSSY IBIS - Plegadis falcinellus (186,1) - a few seen at Palo Verde.
ROSEATE SPOONBILL - Ajaia ajaja (144,3) - one seen on small pool north of Quepos. Good numbers at Palo Verde.
BLACK-BELLIED WHISTLING DUCK - Dendrocygna autumnalis  (181,3) - only seen at Palo Verde, where numerous. Sadly the Fulvous Whistling Ducks previously reported from this site are no longer seen recorded there.
MUSCOVY DUCK - Cairina moschata (193,1) - Palo Verde - ask the staff for directions and timing.
BLUE-WINGED TEAL - Anas discors (145,4) - several on small pool north of Quepos. Quite common at Palo Verde.
TURKEY VULTURE - Cathartes aura (24,20) - very common and widespread.
LESSER YELLOW-HEADED VULTURE - Cathartes burrovianus  (37,15) - not quite as common as Turkey Vulture but seen more frequently and in a wider range of habitats than Stiles and Skutch suggest.
BLACK VULTURE - Coragyps atratus (17,21) - very common and widespread. Seen daily, often in hundreds.
OSPREY - Pandion haliaetus  (131,4) - Corcovado, Tarcoles (where several seen), Aviarios and Puerto Viejo.
AMERICAN SWALLOW-TAILED KITE - Elanoides forficatus (200,2) - one easily identified from the car near river crossing east of "La Mansion", Lago De Arenal and a second over flew Arenal Lodge.
BLACK-WINGED KITE  - Elaneus caeruleus (19,1) - a single bird near Paraiso.
WHITE HAWK - Leucopternis albicollois (215,1) - single bird seen from the trail at Arenal Lodge.
COMMON BLACK-HAWK - Buteogallus anthracinus - (61,8) - apart from the vultures, the most frequently seen raptor, present at most coastal sites and particularly numerous around Aviarios.
GRAY HAWK - Buteo nitidus (192,1) - a single bird perched in a roadside tree on the track to the Muscovy Duck site at Palo Verde was observed for several minutes..
BROAD-WINGED HAWK Buteo magnirostris (10,2) - one seen over Orosi village and another near the Guacinal bridge on the road from Monteverde.
black hawk-eagle - Spizaetus tyrannus (90,1) - a juvenile in a tree right outside our cabin at Tortuguero posed obligingly for photographs. This surprised the guide at the Lodge, who had not recorded this species there before.
CRESTED CARACARA - Polyborus plancus (143,4) - easily seen whilst driving along the Pacific coast, when several seen between Sierpe and Punta Leona, and then between Punta Leona and Palo Verde. Often seen on the ground.
YELLOW-HEADED CARACARA - Milvago chimachima (105,5) - fairly common on Pacific coast. Seen during every visit to the Playa Lapa Rojo soccer pitch. Also at Tarcoles (4 together on mud flats) and near Tilaran.
LAUGHING FALCON - Herpetotheres cachinnans (47,4) - several seen around Tortuguero and at Palo Verde.
COLLARED FOREST FALCON - Micrastur semitorquatus - (182,1,G) - a stunning pale phase bird was found by our guide at Palo Verde.
AMERICAN KESTREL - Falco sparverius (177,1) - one found about 3 kms from Bagaces on the Palo Verde track. A very pretty bird.
PEREGRINE - Falco peregrinus (188,1) - a single bird seen several times hunting over the Palo Verde wetlands.
CRESTED GUAN - Penelope purpurascens (209,1) - a single observed for a considerable amount of time in the canopy on the Arenal Lodge trail.
BLACK GUAN - Chamaepetes unicolor (35,4) - one seen in Tapanti National Park. Quite common around Monteverde/Santa Elena where seen on the night walk, in and around the Cloud Forest reserve and several in a large tree between Santa Elena centre and the soccer pitch.
GREAT CURASSOW - Grax rubra (96,1) - a family party glimpsed for a few seconds from the boat, Tortuguero.
LIMPKIN - Aramus guarauna (184,2) - several at Palo Verde. Easy to find once identified for the first time.
GRAY-NECKED WOOD-RAIL - Aramides cajanea (87,1,G) - a small group seen from the boat, Tortuguero.
WHITE-THROATED CRAKE - Laterallus albigularis (290,1,G) - several calling from deep cover during Aviarios canoe trip.
COMMON GALLINULE - Gallinula chloropus (291,1) - Moorhen did not require a guide for identification. A couple seen during Aviarios canoe trip.
PURPLE GALLINULE - Porphyrio martinica (187,2) - relatively easy to see at Palo Verde and at Aviarios, where a couple were seen running across the tended lawns. Stiles and Skutch give this full species status and do not make reference to the European/African Porphyrio porphyrio.
NORTHERN JACANA - Jacana spinosa (60,11) - common at wetland sites, such as Tortuguero, Palo Verde and Aviarios.
BLACK-NECKED STILT - Himantopus mexicanus (52,2) - reasonable numbers seen on boat trip to Tortuguero and at Aviarios.
BLACK-BELLIED PLOVER - Pluvialis squatarola (74,3) - single birds seen on the beach at Tortuguero and at Tarcol River mouth.
SEMIPALMATED PLOVER - Calidris pusilla (168,1) - several around the mouth of the Tarcoles river, as viewed from Tarcol Lodge.
WILSON'S PLOVER - Charadrius wilsonia (169,1) - quite numerous around the mouth of the Tarcoles river, as viewed from Tarcol Lodge.
WHIMBREL - Numenius phaeopus (117,3) - a single birds were on beaches near Delfin Amor on two days and several were seen around the Tarcoles River mouth.
LESSER YELLOWLEGS - Tringa flavipes (56,2) - several seen on boat trip to Tortuguero and one on beach near Delfin Amor.
WILLETT - Catoptrophorus  semipalmatus (164,2) - several seen on beach at Tarcoles and around Rio Estrella estuary, Aviarios.
SPOTTED SANDPIPER - Actitis macularia - (57,4) - quite numerous around both Caribbean sites. Common along the beach at Puerto Viejo. Also at Rio Tarcoles bridge.
RUDDY TURNSTONE - Arenaria interpres (170,2) - seen at Tarcoles River mouth and at Aviarios.
SANDERLING - Calidris alba (73) - numerous on the beach at Tortuguero. Also present at Tarcoles and Aviarios. Stiles and Skutch suggest that this species is uncommon before mid-March but there were over 100 in several flocks on the kilometre or so of beach north of Laguna Lodge.
WESTERN SANDPIPER - Calidris mauri (172,1) - several seen at Tarcol River mouth were the only representatives of this species described in Stiles and Skutch as the commonest 'peep'.
LEAST SANDPIPER - Calidris minutilla (171,1) - as above.
SOUTH POLAR SKUA - Catharacta macormicki (112,1) - two seen on pelagic trip from Delfin Amor.
POMARINE SKUA - Stercrocarius pomarinus (111,2) - fairly common well offshore on first pelagic from Delfin Amor. Only one seen on second pelagic.
RING-BILLED GULL - Larus delawarensis (?,1) - at least one seen, Bahia Drake. Possibly a couple more seen in same area.
LAUGHING GULL - Larus atricilla (133,5) - much the commonest gull, but only observed on the Pacific coast.
BONAPARTE'S GULL - Larus philadelphia (110,1G) - a single bird identified by the Delfin Amor biologist a couple of miles offshore.
BLACK TERN - Chlidonias niger (114,1) - quite good numbers of winter plumaged birds seen on the first Bahia Drake pelagic. The only tern species identified on this trip, although several other pale terns were seen that were not Black Terns.
ROYAL TERN - Sterna maxima (54,3) - seen from boat to Tortuguero (Rio Parismina) and at Agujitas, Bahia Drake.
SCALED PIGEON - Columba speciosa (146,1+) - seen in several places between Sierpe and Quepos. Most pigeon and dove species were probably under-recorded, with only one species recorded between Arenal, Monteverde and Aviarios.
PALE-VENTED PIGEON - Columba cayennensis (97,3+) - seen in Tortuguero and Bahia Drake.
RED-BILLED PIGEON - Columba flavirostris (15,? ) - seen in Orosi area, and possibly elsewhere.
RUDDY PIGEON - Columba subvinacea (268,2) - around Albergue de Montana Tapanti.
WHITE-WINGED DOVE - Zenaida asiatica (175,2) - seen in Orotina, where quite common and on Pacific slope when driving from Monteverde to Cerro de Muerte, e.g. in Nuevo Arenal. Despite notes in Stiles and Skutch, this species was only seen in settled areas. A rather nice bird.
SHORT-BILLED PIGEON - Columba nigrirostris (101,3+,) - seen and heard in Tortuguero NP and Aviarios, at least.
RUDDY GROUND-DOVE - Columbina talpacoti (44,3+) - quite common along road through plantations en route to Tortuguero. Also on Sierpe to Quepos road and on road from Arenal to Monteverde.
INCA DOVE - Columbina inca (166,4) - perhaps the most pleasing of the pigeons we saw. Quite common on Pacific coast from Tarcoles north. Numerous around Palo Verde.
BLUE GROUND-DOVE - Claravis pretiosa (104,4+) - first seen on beach at Agujitas and in several locations thereafter.
WHITE-TIPPED DOVE - Leptotila verreauxi (116,3) - seemed fairly common, Bahia Drake around lodges (not Delfin Amor) and at Palo Verde.
SCARLET MACAW - Ara macao (102,4) - common and easy to locate around Bahia Drake/Corcovado. Several pairs seen around Carara NP.
ORANGE-FRONTED PARAKEET - Aratinga canicularis (179,1) - a couple of small flocks in leafless thickets around about 14 km from Bagaces on the Palo Verde track.
WHITE-CROWNED PARROT - Pionus senilis (8,1,G) - a flock of about 30 seen above Orosi, identified by the US ornithology student we met.
BLUE-HEADED PARROT - Pionus menstrus (301,1) - a couple of birds in the tall dead tree behind Pulperia Las Brisas, opposite the entrance to Aviarios.
WHITE-FRONTED PARROT - Amazona albifrons (180,1) - see Orange-fronted Parakeet.
YELLOW-NAPED PARROT - Amazona auropalliata (194,2) - fairly regular around the Palo Verde study centre, often high in the tall trees along the "football pitch".
MEALY PARROT - Amazona farinosa (83,1,G) - Tortuguero NP.
MANGROVE CUCKOO - Coccyzus minor (191,1) - in the tree outside the Palo Verde visitor centre.
SQUIRREL CUCKOO - Piaya cayana (289,1) - seen from the canoe, Aviarios. JD probably also saw this species briefly at Arco Iris, in the lodge gardens.
GROOVE-BILLED ANI - Crotophaga sulcirostris (43,3) - almost certainly under recorded. Common along road to Parismina River for boat transfer to Tortuguero. Numerous along Rio Estrella and around Aviarios.
SMOOTH-BILLED ANI - Crotophaga ani (173,3) - quite common in pasture land around Tarcoles. Also at Palo Verde.
PACIFIC SCREECH-OWL - Otus cooperi (165,1,G) - pair roosting in trees in front of the building opposite Tarcol Lodge.
BARE-SHANKED SCREECH-OWL - Otus  clarkii (247,1,G) - single bird located by guide at presumably a regular roosting tree, Monteverde Cloud Forest Reserve.
FERRUGINOUS PYGMY-OWL - Glaucidium brasilianum (196,1) - the only owl species we found ourselves, in a tree top near the Palo Verde visitor centre.
BLACK-AND-WHITE OWL - Ciccaba nigrolineata (174,1) - a pair in a well-known roosting spot in the park in Orotina. Ask locals for directions if you can't find them.
GREAT POTOO - Nyctibius grandis (82,1,G) - Tortuguero NP.
COMMON POTOO - Nyctibius griseus (63,1,G) - Tortuguero NP.
COMMON PAURAQUE - Nyctidromus albicollis (5,3) - in a sense our first Costa Rican bird, as one was calling when we went to bed on the first night, but not identified until discussed with the US ornithology student we bumped into the following morning. Seen subsequently on road from Tapanti NP after dark, accompanied by another small nightjar which we could not identify. Also seen on road to Arenal Lodge.
WHIP-POOR-WILL - Caprimulgus vociferus (147,1) - a nightjar caught in the car headlights on the private road to Punta Leona was observed for some time and almost certainly this species.
WHITE-TAILED NIGHTJAR - Caprimulgus cayennensis (225,1) - also caught in the car headlights on the private road to Arenal Lodge. Prolonged views were obtained but sadly the photographs we took we completely over exposed due to the headlights.
CHESTNUT-COLLARED SWIFT - Cypseloides rutilus (91,1) - seen from the boat in Tortuguero NP. Stiles and Skutch advises that this bird of middle altitudes rarely forages down to sea level and then only mentions locations on the Pacific coast, but we were quite confident that we had identified the right species and Daniel, our guide, agreed that the bird we spotted was not one he had seen before in Tortuguero.
CHIMNEY SWIFT - Chaetura pelagica (288,1) - a flock of about 20+ over Rio Estrella bridge.
LESSER SWALLOW-TAILED SWIFT - Panyptila cayennensis (142,1) - several noted along the river near Sierpe.
BRONZY HERMIT - Glaucis aenea (197,1) - one seen at Palo Verde might have been north of usual range.
BAND-TAILED BARB-THROAT - Threnetes ruckeri (269,1) - at least one on the hummingbird feeders at Georgina's. Stiles and Skutch gives much lower altitudes for this species. Sekerak suggests that the birds seen at Albergue de Montana Tapanti must be near the limit of their range. Our visit to Georgina's, a few kms from the Albergue and somewhat higher above sea-level was on a delightfully warm day and the feeders are a guaranteed food source for hummingbirds, so perhaps this record is not so surprising.
LONG-TAILED HERMIT - Phaethornis superciliosus (115,2) - several locations in grounds of Delfin Amor, including from dining area and in flowering bushes along coastal path.
GREEN HERMIT - Phaethornis guy (214,2) - seen in forested valley near Arenal Lodge trail. Also at  the Monteverde Hummingbird Gallery.
SCALY-BREASTED HUMMINGBIRD - Phaeocroa cuvierii (183,1) - a group of five at Palo Verde were initially identified as Magnificent Hummingbirds (they are superficially similar to the females) but the latter species is only found at altitude.
VIOLET SABREWING - Campylopterus hemileucurus (162,3) - the easiest of the hummingbirds to identify. Seen at Carara and common at Monteverde, with many visiting the Hummingbird Gallery.
GREEN VIOLET-EAR - Colibri thalassinus (232,2) - a common visitor to the Monteverde Hummingbird Gallery.
GREEN-BREASTED MANGO - Anthracothorax prevostii (12,1,G) - a pair nesting on telegraph wires on the main street through Orosi.
FIERY-THROATED HUMMINGBIRD - Panterpe insignis (271,1) - several birds at Georgina's appeared to be this species, except that we could not see any evidence of the copper-orange throat. As luck would have it, as we stood up to leave one of these birds was at the feeder. The "fiery throat" appeared almost as if by magic when viewed from a standing position, looking down on the bird (see Stiles and Skutch) thus clinching identification.
[BLUE-THROATED GOLDENTAIL - Hylocharis eliciae (270,1) - a bird which matched the description of this species seen at Georgina's. Subsequent discussions with hummingbird experts suggests that this lowland species would be highly unlikely at altitude and the "golden" tail would probably be as a result of pollen, in which case identification of this bird remains a mystery.]
VIOLET-HEADED HUMMINGBIRD - Klais guimeti (33,1) - Tapanti NP.
FORK-TAILED EMERALD - Chlorostilbon canivetti (238,1) - one seen on the evening walk at Monteverde.
CROWNED WOODNYMPH - Thalurania colombica (281,1) - a couple around the building at Eddie Serrano's Finca.
RUFOUS-TAILED HUMMINGBIRD - Amazilia tzactl (14,7) - much the most widespread hummingbird and probably under-recorded as no mention in our notes for the final 10 days of the holiday.
WHITE-TAILED EMERALD - Elvira chionura (252,1) - Monteverde Hummingbird Gallery.
COPPERY-HEADED EMERALD - Elvira cupriceps (254,1) - an endemic and one we had really hoped to see. None had been present during our late afternoon visit to the Monteverde Hummingbird Gallery on 1st March but they were quite easy to see on the following day, at an earlier time.
PLAIN-CAPPED STARTHROAT - Heliomaster constantii (253,1) - a very mobile hummingbird at Monteverde Hummingbird Gallery appeared to be this bird, although it may have been at higher than usual altitude.
RED-FOOTED PLUMELETEER - Chalybura urochrysia (152,1) - a pair observed in suitable habitat for some time at Punta Leona. However Stiles and Skutch make this a purely Caribbean slope bird. However there is a similar species, Bronze-tailed Plumeleteer, in western Panama (may actually be a sub-species). Bit of a puzzle, really.
PURPLE-THROATED MOUNTAIN-GEM - Lampornis calolaema (234,2) - a common visitor to the Monteverde Hummingbird Gallery.
GREEN-CROWNED BRILLIANT (233,2) - a common visitor to the Monteverde Hummingbird Gallery and Georgina's.
MAGNIFICENT HUMMINGBIRD - Eugenes fulgens (272,1) - on feeders at Georgina's and around Finca Eddie Serrano.
MAGENTA-THROATED WOODSTAR (235,2) - a common visitor to the Monteverde Hummingbird Gallery.
SCINTILLANT HUMMINGBIRD - Selasphorus scintilla (21,2) - several around the Visitor Centre, Irazu and also at the Albergue de Montana restaurant and Georgina's.
VOLCANO HUMMINGBIRD - Selasphorus flammula (20,2) - both males and females quite common around the summits of Irazu (especially near the Visitor Centre) and Cerro de Muerte. Females only on the hummingbird feeders at Georgina's.
RESPLENDENT QUETZAL - Pharomachrus mocinno (250,2) - a female found by CC at Monteverde followed by a brief view of a male located by the guide were bettered by the pair located by the guide at Finca Eddie Serrano that allowed prolonged, clear views.
SLATY-TAILED TROGON - Trogon massena (69,3 ) - much the most frequently seen Trogon, at Laguna Lodge, Punta Leona and Aviarios. Common around the grounds of Laguna Lodge.
ORANGE-BELLIED TROGON - Trogon aurantiiventris (251,1) - a pair by the Monteverde Cloud Forest Reserve visitor centre were apparently regular visitors, feeding on the insects attracted by lights left on at the centre overnight.
BLACK-THROATED TROGON - Trogon rufus (129,1,G) - Corcovado NP.
RINGED KINGFISHER - Ceryle torquata (78,4 ) - fairly common on lowland fresh water. Seen at Tortuguero, Rio Clara (Bahia Drake), north of Quepos and Tarcoles Bridge, often at close range,
BELTED KINFISHER - Ceryle altion (205,1) - seen from our chalet at Arenal Lodge, where there is a small artificial pool.
AMAZON KINGFISHER - Chloroceryle amazona (77,4) - quite common at Tortuguero and Rio Clara. Also seen at Rio Burio, Fortuna and Aviarios.
GREEN KINGFISHER  - Chloroceryle americana (95,2) - Tortuguero and Aviarios.
GREEN-AND-RUFOUS KINGFISHER - Chloroceryle inda (93,1) - Tortuguero.
TURQUOISE-BROWED MOTMOT - Eumomota superciliosa (190,2) - Palo Verde visitor centre.
BLUE-CROWNED MOTMOT - Momotus momota (257,1) - Arco Iris grounds and  Santa Elena "cemetery" walk.
RUFOUS-TAILED JACAMAR - Galbula ruficauda (213,1) - seen in forested valley near Arenal Lodge trail.
GREAT JACAMAR - Jacamerops aurea (212,1) - as for Rufous-tailed Jacamar.
WHITE-NECKED PUFFBIRD - Bucco machrorhynchos (85,1,G) - Tortuguero.
RED-HEADED BARBET - Eubucco bourcierii (283,1) - adjacent to iron bridge, 2 kms east of Pacayas.
EMERALD TOUCANET - Aulachorynchus prasinus (235,3) - quite common around Monteverde/Santa Elena area, including grounds of Arco Iris.
COLLARED ARACARI - Pteroglossus torquatus (89,3) - Tortuguero and Aviarios/Cahuita area.
KEEL-BILLED TOUCAN - Ramphastos sulfuratus (79,5) - Tortuguero, Arenal Lodge, Arco Iris,  Santa Elena and Aviarios.
CHESTNUT-MANDIBLED TOUCAN - Ramphastos swainsonii (80,1) - only one seen at Tortuguero.
ACORN WOODPECKER - Melanerpes formicivorus (303,1) - the last bird that we identified, but despite the unlikely location, a pair at sea level in a dead tree behind Pulperia Las Brisas, Aviarios, we are confident that we correctly identified this species.
BLACK-CHEEKED WOODPECKER - Melanerpes pucherani (287,2) - Rio Estrella bridge and Aviarios.
HOFFMAN'S WOODPECKER - Melanerpes hoffmanii (103,4) - much the commonest woodpecker, and a very attractive bird. Seen on beach side palm trees at Agujitas, on every visit to Playa Lapa Rojo soccer pitch, at a variety of random roadside stops and Santa Elena. Possibly under-recorded.
RED-CROWNED WOODPECKER - Melanerpes rubricapillus (155,1) - one seen at Punta Leona where prolonged observation was required to separate from Hoffman's Woodpecker, that was also present.
SMOKY-BROWN WOODPECKER - Veniliornis fumigatus (119,1) - Playa Lapa Rojo soccer pitch.
GOLDEN-OLIVE WOODPECKER - Veniliornis rubiginosus (107,1) - Playa Lapa Rojo soccer pitch. With the Lineated Woodpecker further along the coastal track, this was a productive area for woodpeckers.
CINNAMON WOODPECKER - Celeus loricatus (84,1,G) - Tortuguero NP.
LINEATED WOODPECKER - Dryocopus lineatus (125,3) - seen along track from Delfin Amor to Rio Clara, in Carara NP where a pair appeared to be feeding young in a dead tree near the start of the first partially open area and at Lago de Arenal, just east of La Mansion.
PLAIN-BROWN WOODCREEPER - Dendrocingla fuliginosa (94,1) - Tortuguero NP
LONG-TAILED WOODCREEPER - Deconychura longicauda (71,1) - Laguna Lodge (in trees north of the lodge boundary).
WEDGE-BILLED WOODCREEPER - Glyphorhyncus spirurus (134,1) - Corcovado NP.
BUFF-THROATED WOODCREEPER - Xyphorhyncus guttatus (150,1) - Punta Leona.
BLACK-STRIPED WOODCREEPER - Xyphorhyncus lachrymosus (127,2) - seen along track from Delfin Amor to Rio Clara and at Carara NP.
SPOTTED WOODCREEPER - Xyphorhyncus ertythropygius (240,1,G) - Monteverde Cloud Forest Reserve.
SPOTTED-CROWNED WOODCREEPER - Lepidoclaptes affinis (263,2) - seemingly quite common around Albergue De Montana Tapanti. Also seen at Finca Eddie Serrano.
SPOTTED BARBTAIL - Premnoplex brunescens (249,1,G) - Monteverde Cloud Forest Reserve.
RUDDY TREERUNNER - Margarornis rubiginosus (280,1) - Cerro De Muerte (Finca Eddie Serrano).
LINEATED FOLIAGE-GLEANER - Syndactyla subalaris (244,1,G) - Monteverde Cloud Forest NP.
PLAIN XENOPS - Xenops minutus (140,3) - coastal path just north of Delfin Amor and Carara NP.
BLACK-HOODED ANTSHRIKE - Thamnophilus bridgesi (108,4) - fairly common, Bahia Drake. We called this the "wipe-out" bird because its song sounded rather like the opening of the song "Wipeout" (by The Surfaris?).
DOTTED-WINGED ANTWREN - Microrhopias quixensis (298,1) - Gandoca-Manzanillo NP.
CHESTNUT-BACKED ANTBIRD - Myrmeciza exsul (118,2) - also quite common, Bahia Drake, seen along the path in either direction from Delfin Amor.
SCALED ANTPITTA - Grallaria guatimalensis (34,1) - one watched for several minutes foraging by the path near the river on Sendero Oropendula, Tapanti NP. In the rather gloomy late afternoon light it appeared not unlike a tailless juvenile European Robin.
ROSE-THROATED BECARD - Pachyramphus aglaiae (156,1) - a pair in the grounds of Punta Leona.
MASKED TITYRA - Tityra semifasciata (36,5+) - fairly common, widespread and easy to see. Seen on roadside wires just east of Braullio Carillo NP, at Bahia Drake, Punta Leona, Arco Iris, Santa Elena cemetery walk, and probably at other locations as well.
BLACK-CROWNED TITYRA - Tityra inquisitor (302,1) - in tree behind Pulperia Las Brisas, Aviarios.
RUFOUS PIHA - Lipaugus unirufus (132,1,G) - Corcovado NP.
SNOWY COTINGA - Carpodectes nitidus (3,1) - one of the species that we had hoped to see, during months of studying Stiles and Skutch before going to Costa Rica, we were surprised to find it early on our first morning, in Orosi. We asked the American ornithologist we met later that morning about their status and he confirmed that he had seen the species around the village. Sadly our only sighting of this beautiful bird.
PURPLE-THROATED FRUITCROW - Querula purpurata (92,1,G) - one overflew boat in Tortuguero NP.
THREE-WATTLED BELLBIRD - Procnia tricarunculata (258,1) - we were extremely pleased to find this species ourselves, in trees opposite the clinic, on the Santa Elena cemetery walk.
WHITE-COLLARED MANAKIN - Manacus candei (98,2) - several around the butterfly garden at Laguna Lodge were the only Manakins we saw. Finnish birders we spoke to at Tarcoles reported seeing several species in Tapanti NP on the trail between the park offices and  the Mangrove Lagoon trail, at a site well-known for this family. On reflection an hour or two here would have been more productive than our side trip to Chomes.
BLACK PHOEBE - Sayornis nigricans (219,1) - one seen in riverside trees outside the Tabacon Resort, Arenal.
LONG-TAILED TYRANT - Colonia colonus (300,1) - like Snowy Cotinga, a bird we had hoped to see, but unlike the Cotinga, one of the last species we identified, behind Pulperia Las Brisas, Aviarios.
SCISSOR-TAILED FLYCATCHER - Tyrannus forficatus (198,1) - one seen in roadside trees between Palo Verde and Bagaces. 
TROPICAL KINGBIRD - Tyrannus melancholicus (13,10? ) - rather common and widespread. Seen in Orosi, at Tarcoles Bridge and Aviarios. Definitely under-recorded. Perches on roadside wires. Several similar species are possible but good views can be obtained, making it fairly easy to differentiate the different types.
WESTERN KINGBIRD - Tyrannus verticalis (153,?) - again fairly common - large American flycatcher species (the Kingbirds, Kiskadees, and Flycatchers) were present in most areas and seen daily and as a consequence didn't always make it into our field notes.
WHITE-RINGED-FLYCATCHER - Coryphotriccuss albovittatus (39,3) - first seen at Siquerres, quite common around Laguna Lodge, also at Tarcoles Bridge. Probably under-recorded.
BOAT-BILLED FLYCATCHER - Megarhyncus pitanagua (154,2) - only positively identified at Punta Leona and on the Santa Elena cemetery walk. Doubtless we saw many more of this species but we would have spent too long separating them from Great Kiskadees so mostly ignored them. The Kiskadee is probably commoner and easy to identify by its distinctive call.
BRIGHT-RUMPED ATTILA - Attila spadiceus (86,1,G) - Tortuguero NP.
STREAKED FLYCATCHER - Myiodynastes maculatus (149,2) - seen at Punta Leona and Palo Verde.
SOCIAL FLYCATCHER - Myiozetetes similis (262,1) - almost certainly overlooked, our only record of this common and widespread species was at the Guacimal Bridge on the way from Monteverde to the lowlands.
GRAY-CAPPED FLYCATCHER - Myiozetetes granadensis (222,3) - La Fortuna, near Rio Burio bridges and at Aviarios and the Rio Estrella bridge.
GREAT KISKADEE - Pitangus sulphuratus (2,12+) - perhaps the first "exciting" bird we saw, with a pair around Orosi Lodge about 5 minutes after first light on the first day. Common in all lowland areas except Bahia Drake and one of the most frequently seen birds of the trip.
TROPICAL PEEWEE - Cantopus cinereus (167,1) - Tarcoles village.
BLACK-CAPPED FLYCATCHER - Empidonax atriceps (278,1) - Cerro De Muerte (Finca Eddie Serrano).
RUDDY-TAILED FLYCATCHER - Terenotriccus erythrurus (273,1) - at the edge of the forest, Sendero de Descanso, Georgina's, Cerro de Muerte.
BLACK-TAILED FLYCATCHER - Myiopius atricaudus (160,1) - Carara NP.
COMMON TODY-FLYCATCHER - Todirostrum cinereum (99,8+ ) - quite common and seen in many locations including Laguna Lodge butterfly garden, La Fortuna, Arenal Lodge, and Aviarios.
MOUNTAIN ELAENIA - Elaenia frantzii (282,1) - in the pine trees next to the entrance to Albergue de Montana Tapanti.
BROWN-CAPPED TYRANNULET - Ornithion brunneicapillum (229,1) - Arenal Lodge
PURPLE MARTIN - Progne subis (286,1) - a single bird overhead, heading north, at Rio Estrella bridge. This area was quite productive for hirundines.
GRAY-BREASTED MARTIN - Progne chalybea (38,1,G) - several on wires had been identified by another group of birders when we stopped at Siquerres on the way to Tortuguero.
CLIFF SWALLOW - Hirundo pyrrhonota (285,1) - Rio Estrella bridge.
BARN SWALLOW - Hirundo rustica (176,2) - a single bird seen at Caldera on the road between Punta Leona and Palo Verde, and hundreds on the canoe trip at Aviarios, on passage.
SOUTHERN ROUGH-WINGED SWALLOW - Stelgidopteryx ruficollis (161,5) - quite common. Seen at Carara NP, Lago de Arenal, on the road west of Turrialba and at Rio Estrella bridge.
NORTHERN ROUGH-WINGED SWALLOW - Stelgidopteryx serripennis (?,1) - this species did not make it into our field notes but was definitely seen, although we're uncertain where. We do remember a prolonged debate about its identification and seeing Southern Rough-winged Swallow soon afterwards.
BLUE-AND-WHITE SWALLOW - Notiochelidon cyanoleuca (11,4) - fairly common around Orosi, Arenal Lodge and Finca Eddie Serrano .
BANK SWALLOW - Riparia riparia (x,1) - Not given a number, this was probably the 4th species we saw, at the start of our walk in Orosi village. We commented on the similarity to Sand Martin (which is the English name for this species) but could not get decent views. However on checking our photographs of Blue-and-White Swallows on returning to the UK we have no doubt that some of the supposed Blue-and-Whites were actually Bank Swallows.
MANGROVE SWALLOW - Tachycineta albilinea (58,7+) - probably the most frequently seen hirundine. Common around Tortuguero, seen over the sea at Bahia Drake, at Rio Tarcoles Bridge, Rio Tempisque (Palo Verde)and probably other locations as well.
WHITE-THROATED MAGPIE-JAY - Calocitta formosa (163,4) - a target species, seen at Tarcoles, just outside the village, around Palo Verde and around La Fortuna.
BROWN JAY - Cyanocorax morio (30,4) - just outside Tapanti NP, at Punta Leona and fairly common around Arco Iris/Santa Elena.
BANDED-BACKED WREN - Campylorhynhus zonatus (299,1) we had to work quite hard for this species, which were present high in the trees on the hotel side of the small reserve at Aviarios, but they were well worth it, being the most interesting of the wrens that we saw in Costa Rica.
RUFOUS-NAPED WREN - Campylorhynhus rufinucha (148,5) - quite common along the Pacific coast, though not seen at Bahia Drake. Present at Punta Leona, Tarcoles, Chomes and Palo Verde. An attractive and noticeable species.
PLAIN (CANE-BREAK) WREN - Thryophorus modestus (65,2) - fairly common around the Caribbean boundary of Laguna Lodge.
RUFOUS-AND-WHITE WREN - Thryophorus rufalbus (195,2) - Palo Verde, in woods around bunk houses and at Arco Iris.
BAY WREN - Thryophorus nigricapillus (297,2) - this species has a song that reminded us of the Laurel and Hardy theme tune. We first heard it at the Gandoca-Manzanillo NP but were unable to get a view of it and Stiles and Skutch don't mention Laurel and Hardy, but on our final morning we first heard and the saw this species in the grounds of Aviarios.
HOUSE WREN - Troglodytes aedon (226,2) - around the main Arenal Lodge reception entrance. Probably seen on all three days that we were at the lodge, but only positively identified on the last morning. Also seen on the Santa Elena Cemetery walk.
OCHRACEOUS WREN - Troglodytes ochraceus (245,1,G) - Monteverde Cloud Forest NP.
WHITE-BREASTED WOOD-WREN - Henicorhina leucosticta (215,1) - in the wooded stream valley near the Arenal Lodge trail.
GRAY-BREASTED WOOD-WREN - Henicorhina leucophrys (242,1) - Monteverde Cloud Forest NP. Locally nicknamed the "R2D2 bird" because of its distinctive song.
WHITE-THROATED ROBIN - Turdus assimilis (239,2) - in the grounds of Arco Iris Lodge and at Stella's Bakery, Monteverde.
CLAY-COLOURED ROBIN - Turdus grayii (1,15+) - Probably seen every day. Very common and widespread. The first one we saw was on the steps of Orosi Lodge when we opened the front door on the first morning.
MOUNTAIN ROBIN - Turdus plebejus (264,2) - in the grounds of Albergue de Montana Tapanti.
SOOTY ROBIN - Turdus nigrescens (32,2) - Tapanti NP (Sendero Oropendula) and just south of Villa Mills, Cerro de Muerte.
BLACK-FACED SOLITAIRE - Myadestes melanops (241,1) - seemingly quite numerous in Monteverde Cloud forest NP, where seen in at least 6 different locations. One of our target birds.
RUDDY-CAPPED NIGHTINGALE-THRUSH - Catharus frantzii (266,2) - seemingly regular in the grounds of Albergue de Montana Tapanti.
BLACK-BILLED NIGHTINGALE-THRUSH - Catharus gracilirostris (274,1) - Sendero de Descanso, Georgina's, Cerro de Muerte.
TROPICAL GNATCATCHER - Polioptila plumbea (124,1) - one in the wooded area just south of the soccer pitch, Bahia Drake.
LONG-TAILED SILKY-FLYCATCHER - Ptilogonys caudatus (265,1) - quite easily seen in the grounds of Albergue de Montana Tapanti, Sendero de Descanso, Georgina's, Cerro de Muerte and at Finca Eddie Serrano.
YELLOW-THROATED VIREO - Vireo flavifrons (120,3) - as per Tropical Gnatcatcher. Also at Monteverde hummingbird Gallery and probably on the Santa Elena Cemetery walk (this last bird was not showing well). To our considerable surprise, this was the only Vireo species positively identified.
BANANAQUIT - Coereba flaveola (16,12+) - very common in many areas, for example Orosi, Tortuguero NP, Corcovado NP La Fortuna and Aviarios. Visits hummingbird feeders as at Monteverde Hummingbird Gallery.
BLACK-AND-WHITE WARBLER - Miniotilta varia (121,1) - one or perhaps two in the wooded area just south of the soccer pitch, Bahia Drake. This area was quite productive and produced several species that we didn't see elsewhere. From memory the path came down to the beach, possibly by a small stream.
PROTHONOTARY WARBLER - Protonotaria citrea (158,3) - we were quite pleased to record this gorgeous species in several different localities, including Carara NP, Palo Verde and Gandoca-Manzanillo NP.
GOLDEN-WINGED WARBLER - Vermivora chrysoptera (218,2) - in the wooded stream valley near the Arenal Lodge trail and by the iron bridge 2 km west of Pacayas on the old road to the Caribbean coast from Cartago.
NASHVILLE WARBLER - Vermivora ruficapilla (199,1) - at roadside on north side of Lago de Arenal, about 2 km east of La Mansion, just past river crossing. We'd stopped to watch an American Swallow-tailed Kite when we found this bird. Stiles and Skutch gives this as a major rarity but correspondence with regular Costa Rica birdwatcher suggests that the species has been seen quite frequently in recent years. 
FLAME-THROATED WARBLER - Parula gutturalis (267,1) - in the grounds of Albergue de Montana Tapanti. Apparently fairly common but a good reason to stay at this hotel.
YELLOW WARBLER - Dendroica petechia (72,3) - fairly common. Seen at Laguna Lodge, Tortuguero village (several around the open area near the village "centre"), Delfin Amor and possibly other locations.
YELLOW-RUMPED (MYRTLE) WARBLER - Dendroica coronata (45,3) - very common at Laguna Lodge, where probably the most numerous passerine.
BLACK-THROATED GREEN WARBLER Dendroica virens (31,2) - a probable female at Tapanti NP and a definite pair at Albergue de Montana Tapanti.
HERMIT WARBLER - Dendroica occidentalis (255,1) - a single bird well observed in conifers near the  entrance to the Monteverde cheese factory.
NORTHERN WATERTHRUSH - Seiurus noveboracencis (126,3) - a quite common bird in wet areas. Seen along the Rio Clara, Bahia Drake, Carara NP, and Aviarios.
LOUISIANA WATERTHRUSH - Seiurus motacilla (221,1) - one along the Rio Burio, La Fortuna.
OLIVE-CROWNED YELLOWTHROAT - Geothlypis semiflava (203,2) - Arenal Lodge and canoe trip, Aviarios.
GRAY-CROWNED YELLOWTHROAT - Geothlypis poliocephala (261,1) - Santa Elena Cemetery walk.
WILSON'S WARBLER - Wilsonia pusilla (243,3) - quite common at higher altitudes, seen in Monteverde Cloud Forest Reserve, Cerro de Muerte, including the Paramo area and Sendero de Descanso. The first male we saw was near the iron bridge east of Pacayas.
AMERICAN REDSTART - Setophaga ruticilla (100,1) - a male in riverside trees at Laguna Lodge.
SLATE-THROATED REDSTART - Myioborus miniatus (237,2) - a roosting bird found on the Twilight Walk, Santa Elena, more in the Monteverde Cloud Forest Reserve.
COLLARED REDSTART - Myioborus torquatus (256,2) - several in the Elfin Forest, Monteverde Cloud Forest Reserve. Also present Sendero de Descanso and at Eddie Serrano's Finca.
THREE-STRIPED WARBLER - Basileuterus tristriatus (248,1) - Monteverde Cloud Forest Reserve,
RUFOUS-CAPPED WARBLER - Basileuterus rufifrons (260,1) - Santa Elena Cemetery walk.
BUFF-RUMPED WARBLER - Phaeothlypis fulvicauda (130,3) - Rio Clara, Bahia Drake, Corcovado NP and stream near trail, Arenal Lodge.
CHESTNUT-HEADED OROPENDULA - Psarocolius wagleri (28,3) - one on the Albergue de Tapanti bird table, several around Punta Leona and another seen along the Lago de Arenal road.
MONTEZUMA'S OROPENDULA - Psarocolius montezuma (18,6+) often quite common where present, from Valle Central to the Caribbean lowlands. Noisy and noticeable. Common around Orosi, present at Laguna Lodge, nest seen at Palo Verde may have been artificially introduced. A large colony in roadside trees east of Santa Cruz on road to Caribbean coast from Cartago via Turrialba. Often seen from car on  eastern side of Costa Rica.
SCARLET-RUMPED CACIQUE - Cacicus uropygialis (296,1) - several around the small patch of forest with trails in the grounds of Aviarios, near the small footbridge at the entrance to the trails.
YELLOW-BILLED CACIQUE - Amblycercus holosericeus  (22,1) - several near the summit of Volcan Irazu.
GIANT COWBIRD - Scaphidura oryzivora (292,1) - one of these rather odd looking birds was foraging on the mud at the edge of the Rio Estrella, near it's mouth.
BRONZED COWBIRD - Molothrus aeneus (231,1) - only one seen between Nuevo Arenal and Tilaran en route to Monteverde.
GREAT-TAILED GRACKLE - Quiscalus mexicanus (4,20) - very common. Seen everywhere except on Cerro de Muerte.
NICARAGUAN GRACKLE - Quiscalus nicaraguensis (46,1) - a couple noted from the coach in the wetlands west of Cano Blanco on the way to Tortuguero.
ORCHARD ORIOLE - Icterus spurious (157,3) - a possible at Rio Tarcoles bridge and definites at the Rio Burio bridge, La Fortuna and along the Rio Estrella, during the canoe trip.
BLACK-COWLED ORIOLE - Icterus domicensis (228,3) - Arenal Lodge (in the large trees outside Reception) and at the Rio Estrella bridge, and Aviarios.
YELLOW-TAILED ORIOLE Icterus mesomelas (201,1) - seen at a couple of sites along the Lago de Arenal road, including in the dense roadside growth at the eastern end of the dam.
NORTHERN (BALTIMORE) ORIOLE - Icterus g. galbula (151,3) - singles at Punta Leona, Palo Verde and Arenal Lodge.
STREAKED-BACKED ORIOLE - Icterus pustulatus (189,1) - one near the visitor centre, Palo Verde.
RED-WINGED BLACKBIRD - Agelaius phoenicius (178,1) - in roadside bushes, just past Escuela Falconiana, on the way to Palo Verde.
GOLDEN-BROWED CHLOROPHONIA - Chlorophonia callophrys (246,1) - a pair nest-building by the canopy bridge at Monteverde were easily photographed. Several more of this species were seen around Stella's Bakery.
YELLOW-THROATED EUPHONIA - Euphonia hirundinacea (259,1) - a couple seen on the edge of Santa Elena on the cemetery walk were, sadly, the only Euphonias seen.
SILVER-THROATED TANAGER - Tangara icterocephala (29,3) - several visited bird tables at Albergue de Montana, near the Tapanti NP and at Arenal Lodge, where they can be photographed, albeit through the windows.
GOLDEN-HOODED TANAGER - Tangara larvata (67,2) - in the grounds of Laguna Lodge, and along the road north of Sierpe.
BAY-HEADED TANAGER - Tangara gyrola (224,1) - a pair near the Rio Burio bridge, La Fortuna.
GREEN HONEYCREEPER - Chlorophanes spiza (123,2) - several just south of the soccer pitch, Bahia Drake. Also on the Arenal Lodge trail, near the stream.
RED-LEGGED HONEYCREEPER - Cyanerpes cyaneus (106,6) - quite common around the soccer pitch, Bahia Drake and also seen in Corcovado NP. Present at Punta Leona and frequent visitor to the Arenal Lodge bird tables.
BLUE DACNIS - Dacnis cayana (122,1) - same location as Green Honeycreeper.
BLUE-GREY TANAGER - Thraupis episcopus (7,15+) - common and widespread.
PALM TANAGER - Thraupis palmarum (207,2) - regular visitor to bird tables at Arenal Lodge. May also have been seen elsewhere and not recorded.
PASSERINI'S TANAGER - Ramphocelus passerinii (26, 12+ - see also Cherrie's
Tanager) - common and widespread. This species, together with Cherrie's Tanager, have recently been split having previously been called Scarlet-rumped Tanager.
CHERRIE'S TANAGER - Ramphocelus costaricensis (128, 5) - common around Delfin Amor.
CRIMSON-COLLARED TANAGER - Phlogothraupis sanguinolenta (210,1) - Arenal Lodge trail, near the stream.
SUMMER TANAGER - Piranga rubra (81,2) - Tortuguero NP and on bird tables at Aviarios.
HEPATIC TANAGER - Piranga flava (66,2) - Laguna Lodge grounds and at iron bridge east of Pacayas.
SCARLET TANAGER - Piranga olivacea (208,1) - Arenal Lodge bird tables.
WESTERN TANAGER - Piranga ludoviciana (135,1) - Corcovado NP.
FLAME-COLORED TANAGER - Piranga bidentata (9,2) - in Orosi Village and in the grounds of Albergue de Montana Tapanti.
RED-THROATED ANT-TANAGER - Habia fuscicauda (68,1) - in the grounds of Laguna Lodge.
WHITE-THROATED SHRIKE-TANAGER - Lanio leucothorax (136,2) - Corcovado NP and around the small ornamental pool, Arenal Lodge.
WHITE-SHOULDERED TANAGER - Tachyphonus luctuosus (159,1) - Carara NP on La Vigilancia trail.
TAWNY-CRESTED TANAGER - Tachyphonus delattrii (284,2) - Rio Estrella bridge and Gandoca-Manzanillo NP.
COMMON BUSH-TANAGER - Chlorospingus opthalmicus (211,2) - Arenal Lodge trail, near the stream and in Monteverde Cloud Forest Reserve.
SOOTY-CAPPED BUSH TANAGER - Chlorospingus pileatus (23,2 ) - seen in several places near summit of Volcan Irazu and at Eddie Serrano's Finca.
BLACK-HEADED SALTATOR - Saltator atriceps (217,1) - Arenal Lodge trail, near the stream.
BUFF-THROATED SALTATOR - Saltator maximus (27,4) - visiting the bird table at Albergue de Montana, at Rio Burio bridge, La Fortuna,  Arenal Lodge trail, near the stream and a probable at Aviarios.
GRAYISH SALTATOR - Saltator coerulescens (204,3) - Rio Burio bridge, La Fortuna and Arenal Lodge bird tables.
BLACK-FACED GROSBEAK - Caryothraustes poliogaster (222,1) - Rio Burio bridge, La Fortuna.
ROSE-BREASTED GROSBEAK - Pheucticus ludovicianus (295,1) - Aviarios, in small stream at edge of forest trail.
YELLOW-FACED GRASSQUIT - Tiaris olivacea (230,2) - along road on north side of Lago de Arenal and at iron bridge east of Pacayas.
WHITE-COLLARED SEEDEATER - Sporophila torqueola (202,1) - on road on north side of Lago de Arenal.
VARIABLE SEEDEATER - Sporophila aurita (64,4+) - very common at Laguna Lodge, Tortuguero and seen at Carara NP. Almost certainly under recorded.
PINK-BILLED SEED-FINCH - Oryzoborus nuttingi (41,1) - on fence near Carmen 1 "village" in the banana plantations on way to Tortuguero.
BLUE-BLACK GRASSQUIT - Volatinia jacarina (42,10+) - very common in many areas where agriculture present.
SLATY FLOWERPIERCER - Diglossa plumbea (277,1) - several around Eddie Serrano's Finca.
LARGE-FOOTED FINCH - Pezopetes capitalis (275,1) - a pair, Sendero de Descanso, Cerro de Muerte.
YELLOW-THIGHED FINCH - Pselliophorus tibialis (279,1) - several in the grounds of  Eddie Serrano's Finca.
ORANGE-BILLED SPARROW - Arremon aurantiirostris (139,1) - on path past the front of Delfin Amor, on the edge of Delfin Amor grounds.
VOLCANO JUNCO - Junco vulcani (276,1) - around the summit area of Cerro de Muerte.
RUFOUS-COLLARED SPARROW (6,8+) - very common at altitude, often in gardens.
HOUSE SPARROW - Passer domesticus (40,4) - one seen at Siquerres, common around La Fortuna.
Other wildlife seen
Costa Rica is rich in wildlife. Wild mammals are seen much more frequently than in, say, the UK, and various reptiles are common in many places. There are lots of gorgeous butterflies, and identification books are available, and other fascinating invertebrates. Highlights included:

Long-nosed Bat
Greater Fruit-eating Bat
Red-tailed Squirrel
Variegated Squirrel
Red-backed Squirrel
Eastern Cotton-tail Rabbit
Crab-eating Racoon
River Otter
White-tailed Deer
Two-toed Sloth
Three-toed Sloth
Spider Monkey
Black Howler Monkey
White-faced Capuchin
Short-finned Pilot Whale (c1000)
Pantropical Spotted Dolphin (c50)
Common Dolphin (c500)
Bottle-nosed Dolphin (c500)
Spinner Dolphin (c700+)

American Crocodile
Spectacled Caiman
Olive Ridley Turtle
Common Slider Turtle
Black River Turtle
Snape's Turtle
Eyelash Viper
Green Vine Snake
Brown Vine Snake
Emerald Basilisk
Green Iguana
Whip-tailed lizard
Anole spp
Yellow-headed Gecko

Green Treefrog
Red-eyed Treefrog
Talamancan Dart Frog

Golden Orb Weaver Spider
Crab Spider
Wolf Spider
Orange-kneed Tarantula
Leaf-cutter Ant
Click Beetle
Stick Insect sp.
Blue Morpho Butterfly
Purple Morpho Butterfly
Calligo (Owl) Butterfly
Blue Marlin
Pacific Barracuda
Yellowfin Tuna
Flying Fish sp

Bibliography :      

A Guide to the Birds of Costa Rica - F Gary Styles & Alexander F Skutch
A Travel & Site guide to the Birds of Costa Rica - Aaron D Sekerak

Chris Cameron - e-mail - November 2003

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