COSTA RICA 2017 BIRD LIST

Costa Rica  July 16 – August 13, 2017

                    ANNOTATED BIRD LIST

                                                                © Callyn Yorke

Key to Locations (See Journal Notes for full descriptions)

MH = Melrost Hotel, San Jose, Alajuela

LDL = Laguna del Lagarto Lodge, Alajuela

BT   =  Boca Tapada, Alajuela

RSC  =  Rio San Carlos, Alajuela

SRV  = Santa Rita Village, Alajuela

LLV  = Loma Lapa Verde, Alajuela

CL = Carolina Lodge, Alajuela

VTNP = Volcan Tenorio National Park and adjacent land, Alajuela

SRNP = Santa Rosa National Park, Guanacaste

FCC =  Finca Cañas Castillo, Guanacaste

PT = Playa Tamarindo, Guanacaste

PA = Playa Avellana, Guanacaste

SAM = Samara and vicinity, Guanacaste

CN = Caño Negro, Alajuela

RF = Rio Frio, Alajuela

Key to Frequency and Abundance

D = Observed daily or nearly every day

 I = Infrequently observed

R = Observed only once

U =  Ubiquitous in the appropriate habitat(s) within its range.

A =  A maximum of 10 or more individuals found during a single survey.

B =  A maximum of 3-9 individuals found during a single survey.

C =  Fewer than 3 individuals found during a single survey.

BIRDS NOTED

  • Black-bellied Whistling Duck (Dendrocygna autumnalis) gregarious, often paired in trees at edge of wetland, estuary, river; I, B; PT; PA; CN; RF.
Black-bellied Whistling Duck (Dendrocygna autumnalis) PT, 2 August 2017  Callyn Yorke
  • Great Curassow (Crax rubra)  gregarious; often 3-4 females and 1 male; visiting garden daily; sometimes at banana feeders; D,B. LDL.
Great Curassow (Crax rubra) females with male (center)  LDL, 25 July 2017 Callyn Yorke
  • Crested Guan (Penelope purpurascens)  often in pairs; roosting in tall trees in the evenings; feeding on new leaf buds; D, C; LDL, CL.
Crested Guan (Penelope purpurascens) LDL,  21 July 2017 Callyn Yorke
  • Brown Pelican  (Pelecanus occidentalis)  diving offshore near estuary; I, C. PT.
  • Neotropic Cormorant (Phalacrocorax brasilianus)  D,A; PT, CN.
Neotropic Cormorant (Nannopterum brasilianus) Rio Frio, Caño Negro  8 August 2017 Callyn Yorke
  • Anhinga (Anhinga anhinga) usually solitary; perched on snags in mangrove and edge of river,  D, B; PT, CN, RF
Anhinga (Anhinga anhinga) Rio Frio, Caño Negro  8 August 2017 Callyn Yorke
  • Magnificent Frigatebird (Fregata magnificens)  1 male soaring high in the clouds above the ranch; R, C, FCC.
  • Wood Stork (Mycteria americana) gregarious; with GREG, SNEG, WHIB in field being ploughed with a tractor, R,B; SAM.
  • Bare-throated Tiger Heron (Tigrisoma mexicanum)  adults and imm.;  on shore and in vegetation at edge of wetlands; U, C; LDL, SR, BT, CN.
Bare-throated Tiger Heron (Tigrisoma mexicanum) CN  8 August 2017 Callyn Yorke
  • Little Blue Heron (Egretta caerulea)  solitary and gregarious in wetlands; U, B.
  • Great Egret  (Ardea alba)  solitary and loosely gregarious in wetlands, pasture, U, B.
  • Great Blue Heron (Ardea herodias) mostly solitary in wetlands, roadside, riverside, pasture, I, C.
  • Cattle Egret  (Bubulcus ibis)  gregarious in pastures with livestock, wetlands, mangrove, A; FCCPT, SAM.
  • Snowy Egret (Egretta thula)  solitary and gregarious in pastures, shorelines and wetlands, A; U.
  • Green Heron (Butorides virescens)  solitary or in pairs; shoreline and riverside, I, C; PT, CN.
Green Heron (Butorides virescens) BT  3 August 2017 Callyn Yor
  • Tricolored Heron (Egretta tricolor)  solitary in mangrove; R, C; PT.
  • Yellow-crowned Night Heron (Nyctanassa violacea)  2 (ad, imm); perched in mangrove trees,C, R, PT.
Yellow-crowned Night Heron (Nyctanassa violacea) Playa Tamarindo, Guanacaste CR  2 Aug 2017 Callyn Yorke
  • White Ibis (Eudocimus albus)  gregarious; mangrove, wetlands, riverside, I, B, FCC; PTSAM.
  • Green Ibis (Mesembrinibis cayenennsis) singles and pairs, I, C; LDL; FCC, PT.
  • Black Vulture (Coragyps atratus) gregarious; often soaring over; on and near roadways towns, D, U, A.
  • Turkey Vulture (Cathartes aura)  gregarious; not as abundant as BLVU; D, U, A.
  • Lesser Yellow-headed Vulture  (Cathartes burrovianus) ?  1: solitary; about 30% smaller than TUVU; no conspicuous yellow coloration on head; extensive blue on crown and occipital; standing in roadside puddles in dry forest, R, C; SRNP.
Cathartes sp.  roadside, Santa Rosa National Park,1 August 2017 Callyn Yorke
  • King Vulture (Sarcorhampus papa)  gregarious, often pairs circling with TUVU and BLVU; D,B; LDL, LLV.
  • Snail Kite (Rostrhamus sociabilis)  perched in subcanopy of tall tree at edge of river, R,C; RF- CN.
  • Swallow-tailed Kite (Elanoides forficatus)  soaring above the forest and waterfall, R, C; VTNP.
  • Tiny Hawk (Accipiter superciliosus)  1 (imm.) sallying to forest edge pasture from roadside utility line, R,C; BT.
  • Roadside Hawk (Buteo magnirostris)  roadside and village utility poles, I, U.
  • Mangrove Black Hawk (Buteogallus subtilis)  perched in canopy of a mesquite tree, I, C; PT.
Mangrove Black Hawk (Buteogallus subtilis) Playa Tamarindo, Guanacaste, CR 2 August 2017 Callyn Yorke
  • Great Black Hawk (Buteogallus orubitinga) in canopy of riverine forest, R, C; RF.
  • Peregrine Falcon (Falco peregrinus)  perched high in canopy in mangrove, R,C; PT.
  • Crested Caracara (Caracara cheriway)  utility poles, isolated trees,, roadside pastures, second-growth; dry forest, U; C.
Crested Caracara (Caracara cheriway) Playa Avellana, Guanacaste, CR 5 August 2017 Callyn Yorke
  • Laughing Falcon (Herpetotheres cachinnans)  calling (unseen) from edge of forest,  I,C; LDL, LLV.
  • Gray-necked Wood-Rail (Aramides cajanea) preening in  low vegetation on riverbank, I,C; RF-CN.
Gray-necked Wood-Rail (Aramides cajanea) Rio Frio – Caño Negro, 8 August 2017 Callyn Yorke
  • Northern Jacana (Jacana spinosa)  wading in marsh; on mudflats, D,B; CN.
  • Sungrebe (Heliornis fulica)  swimming, diving in backwater, R,C; RF-CN.
  • Spotted Sandpiper (Actitis macularius)  2  on shore and in backwater in estuary, PT.
  • Whimbrel (Numenius phaeopus)  on shore with WILL, R,C; PA.
  • Willet (Tringa semipalmata)  2 on shore with WHIM, R, C, PA.
  • Ruddy Turnstone (Arenaria interpres)  1  on shore, foraging between rock outcrops, PT.
  • Feral Rock Pigeon  (Columba livia)  ubiquitous in and around townships and cities (except BT).
  • Red-billed Pigeon  (Patagioenas flavirostris)  1  tree-top perch, early morning, LDL.
  • Band-tailed Pigeon (Patagioenas fasciata)  2  tree-tops in pasture, MH.
  • Short-billed Pigeon (Patagioenas nigrirostris)  1  in tall trees at edge of forest,   LDL.
  • White-winged Dove  (Zenaida asiatica)  on street and in gardens, D,B; MHPT.
White-winged Dove (Zenaida asiatica) Playa Tamarindo, Guanacaste Costa Rica  4 August 2017 Callyn Yorke
  • Common Ground Dove (Columbina passerina)  edge of heavy second growth, roadways, I, C; LDL;SRNP.
  • Inca Dove (Columbina inca)  ubiquitous in villages, towns and cities.
Inca Dove (Columbina inca) MH, San Jose, Alajuela Costa Rica,17 July 2017, Callyn Yorke
  • Ruddy Ground Dove (Columbina talpacoti)  I, C; LDL, BTCN.
  • White-tipped Dove (Leptotila verreauxi) D,C; LDL,                                                              
  • Crimson-throated Parakeet (Psittacara finschi) gregarious; flying over forest edge, R,C; BT.
  • Olive-throated Parakeet (Eupsittula nana) vocal, gregarious; occasionally visiting banana feeders, I, A; LDL.
  • Orange-fronted Parakeet (Eupsittula canicularis) gregarious; a flock resting in a distant Guanacaste tree on hillside  I, A; FCC.
  • Orange-chinned Parakeet (Brotogeris jugularis) vocal, gregarious; in garden trees and secondary forestI, B; LDL, PT.
  • Brown-hooded Parrot (Pyrilia haematotis) D, B; LDL.
Brown-hooded Parrot (Pionopsitta haematotis) Laguna del Lagarto, Alajuela Costa Rica, 18 July 2017 Callyn Yorke
  • White-crowned Parrot (Pionus senilis) R, C; LDL.                                                                   
  • Great Green Macaw (Ara ambiguus) pairs occasionally seen flying over the lodge in the morning and early evening, I; C; LDL
  • Scarlet Macaw (Ara macao) vocal, gregarious; one afternoon nine birds together in a tree; pairs allopreening; feeding on small, unripe green fruits in roadside tree (photo).  D; B; LDLLLV.
Scarlet Macaw (Ara macao) Laguna del Lagarto, Alajuela CR  9 August 2017 Callyn Yorke
  • Red-lored Parrot (Amazona autumnalis) vocal, gregarious; often heard before seen flying over forest canopy, D, B; LDL, LLV.
  • Mealy Parrot  (Amazona farinosa) vocal, gregarious; easily confused with RLPA in flight (note MEPA higher pitched calls), I, C; LDL.
  • Squirrel Cuckoo  (Piaya cayana)  one resting on lawn, sunning itself with outstretched wings following rains, FCC; subcanopy of creekside woodland, I, C; PT.
Squirrel Cuckoo (Piaya cayana) Finca Cañas Castillo, Guanacaste CR 29 July 2017 Callyn Yorke
  • Groove-billed Ani (Crotophaga sulcirostris) commonly seen in fallow fields and roadside second-growth, D, U, A.
  • Vermiculated Screech Owl (Megascops guatemalae)  in a subcanopy cavity beneath a bromeliad about 15 ft high in a mature tree overhanging the river, R, C; RF.
Vermiculated Screech Owl (Megascops guatemalae) Rio Frio Caño Negro, Alajuela CR  8 August 2017 Callyn Yorke
  • Central American Pygmy Owl (Glaucidium griseiceps)  calling continuously in afternoon (unseen) in forest at edge of garden at trail head, R, C; LDL.
  • Common Paraque (Nyctidromus albicollis)  flushed by auto headlights on main road, I; B; BT, SR, LDL.
  • Short-tailed Nighthawk (Lurocalis semitorquatus)  flushed by auto headlights on main road near lodge entrance, I, C; LDL.
  • White-collared Swift (Streptoporocne zonaris) flying 300 ft. a.g.l. above pastureland, I, C; FCC.
  • Gray-rumped Swift (Chaeturea cinereiventris) flying above forest canopy, I, C; LDL.
  • Stripe-throated Hermit (Phaethornis striigularis) visiting flowering garden shrubs; I, C; LDL, CL..
  • Long-billed Hermit (Phaethornis longirostris) visiting garden hummingbird feeders;, R, C, SR.
Long-billed Hermit (Phaethornis longirostris) Santa Rita, Alajuela CR, 10 Aug 2017 Callyn Yorke
  • Bronzy Hermit (Glaucis aeneus) visiting garden hummingbird feeders; R, C, SR.
  • Scaly-breasted Hummingbird (Phaeochroa cuvierii) visiting shady garden hummingbird feeders; R, C, SR.
Scaly-breasted Hummingbird (Phaeochroa cuvierii)  Santa Rita, Alajuela, CR  10 Aug 2017 Callyn Yorke
  • White-necked Jacobin (Florisuga mellivora)  bold and  territorial when visiting flowering garden shrubs and hummingbird feeder; I, B; LDLSR.
White-necked Jacobin (Florisuga mellivora) Santa Rita, Alajuela CR, 10 Aug 2017 Callyn Yorke
  • Canivet’s Emerald (Chlorostilbon canivetii)  visiting low-growing purple- flowering herbs; I, C; PT, (SR?).
  • Steely-vented Hummingbird (Amazilia Saucerrottei) visiting flowering shrubs in garden, I, C; LDL.
  • Violet-crowned Woodnymph (Thalurania colombica) visiting garden hummingbird feeder, R, C; SR.
Violet-crowned Woodnymph (Thalurania colombica) Laguna del Lagarto CR, 10 Aug 2017 Callyn Yorke
  • Rufous-tailed Hummingbird (Amazilia tzacatl) (m,f) visiting a variety of garden flowering plants and feeders, U; C.
Rufous-tailed Hummingbird (Amazilia tzacatl) Santa Rita, Alajuela CR, 10 Aug 2017 Callyn Yorke
  • Ruby-throated Hummingbird (Archilochus colubris) 1 (f) perched alone in the shade of  Adolfo’s garden; R, C; SR (photo).
Ruby-throated Hummingbird (Archilochus colubris) Santa Rita, Alajuela Costa Rica  10 August 2017 Callyn Yorke
  • Plain-capped Starthroat (Heliomaster constantii) visiting tall flowering shrubs and trees in garden, R,D; PT.
  • Violet-headed Hummingbird (Klais guimeti) at feeders in shady garden with other hummers, R; D; SR.
  • Black-headed Trogon (Trogon melanocephalus) vocal, gregarious; one copulating pair; hawking large insects in subanopy in riparian forest in late morning, I, C; PT.
 Black-headed Trogon (Trogon melanocephalus) male  Playa Tamarindo, Guanacaste CR 6 August 2017 Callyn Yorke
  • Elegant Trogon (Trogon elegans) flying across main road of park interior,  R;C; SRNP.
  • Slaty-tailed Trogon (Trogon massena)  flying from tree to tree; landing in subcanopy, I; C; LDL.
Slaty-tailed Trogon (Trogon massena) LDL, Alajuela CR, 19 July 2017, Callyn Yorke
  • Lattice-tailed Trogon (Trogon clathratus) (f) flying to perches in subcanopy at edge of forest, R,C; CL.
  • Ringed Kingfisher  (Ceryl torquatus)  active in mornings in lagoon, river and marsh, I,C; LDL,  PT, CN, RF.
  • Green Kingfisher (Chloroceryle americana)  edge of streams; river in riparian forest, I, C; , FCC;RF.
  • American Pygmy Kingfisher (Chlorocereyle aenea)  perched on low snags in lagoon, I, C; LDL.
  • Amazon Kingfisher (Chloroceryle amazona) riparian forest at edge of river, I, B; RF.
  • Turquoise-browed Motmot (Eumomota superciliosa) active in subcanopy of shady riparian woodland, R,I; PT.
  • Yellow-throated Toucan (Ramphastos ambiguus swainsonii) vocal, gregarious; regular visitor to banana feeders and edge of forest on rivers and streams; D, B; LDL, CL, CN, RF.
Yellow-throated Toucan (Ramphastos ambiguus swainsonii) Laguna del Lagarto, CR  18 July 2017 Callyn Yorke
  • Keel-billed Toucan (Ramphastos sulfuratus) individuals and pairs; relatively shy, largely silent, visiting banana feeders each day. D, C; LDL.
  • Collared Aracari (Pteroglossus torquatus)  gregarious; frequent visitor at banana feeders; I, B; LDL, FCC, PT, CN.
Collared Aracari (Pteroglossus torquatus) Laguna del Lagarto, Alajuela, CR  19 July 2017 Callyn Yorke
  • Black-cheeked Woodpecker (Melanerpes pucherani) frequent visitor to garden palms and trees; occasional at banana feeders. D, B; LDL, BT, CL, CN.
Black-cheeked Woodpecker (Melanerpes pucherani) Laguna del Lagarto, CR 18 July 2017 Callyn Yorke
  • Hoffmann’s Woodpecker (Melanerpes hoffmannii) vocal, gregarious;  on large trees  in gardens and second growth; D, U; B.
 Hoffmann’s Woodpecker (Melanerpes hoffmannii) San Jose, CR  17 July 2017 Callyn Yorke
  • Chestnut-colored Woodpecker (Celeus castaneus) foraging on coconut halves attached to a low tree stump, R, C; SR.
Chestnut-colored Woodpecker (Celeus castaneus) Santa Rita, Alajuela, CR 10 Aug 2017 Callyn Yorke
  • Lineated Woodpecker (Dryocopus lineatus) vocal; active in old secondary forest on a variety of trees and substrates, I, C; LDLFCC.
  • Streak-headed Woodcreeper (Lepidocolaptes souleyetii)  vocal, active on a variety of trees in gardens and secondary forest; often in pairs but separated vertically on the same tree or on neighboring trees; I,C; LDLPTCL.
  • Barred Antshrike (Thamnophilus doliatus) male and female pair interacting in subcanopy of tall deciduous tree at edge of marsh, R,C; CN.
Barred Antshrike (Thamnophilus doliatus) m (above); (f) below, Caño Negro, Alajuela CR 7 Aug 2017 Callyn Yorke
  • Common Tody Flycatcher (Todirostrum cinereum) active in a variety of garden shrubs and trees, I, C; LDL, FCC. PT..
  • Long-tailed Tyrant (Colonia colonus) a pair nesting simultaneously with Black-crowned Tityras in an old Black-cheeked Woodpecker cavity in crownless palm trunk next to observation deck, D, C; LDL.
Long-tailed Tyrant (Colonia colonus)  Laguna del Lagarto, CR  18 July 2017 Callyn Yorke
  • Dusky-capped Flycatcher (Myiarchus tuberculifer) active in crowns of garden trees near river, R,C; BT-RSC.
  • Great Kiskadee (Pitangus sulphuratus) vocal, active in a wide variety of modified habitats; D, U.
Great Kiskadee (Pitangus sulphuratus) Laguna del Lagarto CR  25 July 2017 Callyn Yorke
  • White-ringed Flycatcher (Conopias albovittatus) at banana feeder in garden, R,C; CL.
  • Social Flycatcher (Myiozetetes similis) individuals and small flocks; on utility lines; roadsides;  in a variety of disturbed habitats; D,B; U.
  • Tropical Kingbird (Tyrannus melancholicus) solitary and gregarious in disturbed habitats, D, B; U.
Tropical Kingbird (Tyrannus melancholicus) Playa Tamarindo, Guanacaste CR 3 Aug 2017 Callyn Yo
  • Cinnamon Becard (Pachyramphus cinnamomeus) active in garden trees and secondary forest, I,C; LDL, FCC.
Cinnamon Becard (Pachyramphus cinnamomeus) Laguna del Lagarto, CR, 18 July 2017 Callyn Yorke
  • Black-crowned Tityra (Tityra inquisitor)  a pair nesting in an old BCWO cavitiy of a topless palm tree trunk simultaneously  with nesting pair of Long-tailed Tyrant in a separate cavity; foraging on large orthopterans and returning to the nest site with them, D, C; LDL.
Black-crowned Tityra (Tityra inquisitor) Laguna del Lagarto, CR 18 July 2017 Callyn Yorke
  • Three-wattled Bellbird (Procnias tricarunculatus)  a male singing from the canopy of a tall tree overhanging the river, R,C; RF-CN.
Three-wattled Bellbird (Procnias tricarunculatus) Rio Frio Caño Negro CR 8 Aug 2017 Callyn Yorke
  • White-collared Manakin (Manacus candei) (unseen) calling from second growth I, C; LDL, LLV..
  • Long-tailed Manakin (Chiroxiphia linearis) female active in lower middle level of riparian forest, I,C; FCC.
  • Yellow-green Vireo (Vireo flavoviridis) active in subcanopy of hillside secondary forest, I, C, FCC.
  • White-throated Magpie Jay (Calocitta formosa) vocal, gregarious; frequenting gardens, adjacent forest, roadsides (C-1), D,B; FCC, SRNP
  • Mangrove Swallow (Tachycineta albilinea) pairs flying low over river, open fields, mangrove, I, C; BT; FCC, PT.
  • Gray-breasted Martin (Progne chalybea)  flocks over towns and shoreline; a nesting colony under metal roof of a roadside service station (C-21: west of Liberia), D, B; U.
  • Tropical Gnatcatcher (Polioptila plumbea) active in garden shrubs and trees; mangroves, second-growth, I, C; LDL, PT.
  • Rufous-naped Wren (Campylorhynchus rufinucha) vocal, gregarious;  nesting and active in gardens and secondary forest; D,C; MHFCCPT.
Rufous-naped Wren (Campylorhynchus rufinucha) Playa Tamarindo, Guanacaste CR, 5 Aug 2017 Callyn Yorke
  • Cabanis’s Wren (Cantorchilus modestus) active in garden shrubs and trees, I,C; PT.
  • Southern House Wren (Troglodytes musculus) vocal, active in garden, D,C; LDL.
  • Clay-colored Thrush (Turdus grayi) vocal, active in gardens and second-growth; D, B; U.
  • Yellow (Mangrove) Warbler (Setophaga petechia) active at edge of mangroves; I, C; PT.
  • Buff-rumped Warbler (Myiothlypis fulvicauda)  highly vocal,  a pair active early AM on ground in garden and streamside, D;C; CL.
  • Gray-crowned Yellowthroat (Geothlypis poliocephala) a pair in a weedy roadside lot, R,C; BT.
  • Rufous-capped Warbler (Basileuterus rufifrons) a pair active in small trees at the edge of the forest and pasture, R;C; FCC.
  • Bananaquit (Coereba flaveola)  usually solitary; active in garden shrubs and trees; I,C; LDL, BT; CL.
  • Passerini’s Tanager (Ramphocelus passerinii) gregarious; active in gardens and second-growth; D;B; BT, LDL, LLV.
Passerini’s Tanager (Ramphocelus passerinii) male, Laguna del Lagarto, CR, 18 July 2017 Callyn Yorke
  • Golden-hooded Tanager (Tangara larvata) active in garden; frequents banana feeders; D,C; LDL.
Golden-hooded Tanager (Tangara larvata) Laguna del Lagarto,10 August 2017 Callyn Yorke
  • Plain-colored Tanager (Tangara inornata) gregarious; occasional visitor to banana feeder, I,C; LDL.
  • Blue-gray Tanager (Thraupis episcopus) vocal, gregarious; frequents garden shrubs, trees, banana feeders; D,B; U.
Blue-gray Tanager (Thraupis episcopus) Laguna del Lagarto, CR, 20 July 2017 Callyn Yorke
  • Palm Tanager (Thraupis palmarum) gregarious; adults with fledglings at banana feeders; gardens and second-growth, D, B; LDL.
Palm Tanager (Thraupis palmarum) Laguna del Lagarto, CR  18 July 2017 Callyn Yorke
  • Green Honeycreeper (Chlorophanes spiza) gregarious; pairs (m,f) frequenting banana feeders, D,C; LDL.
Green Honeycreeper (Chlorophanes spiza) male  Laguna del Lagarto, CR  18 July 2017 Callyn Yorke
  • Shining Honeycreeper (Cyanerpes lucidus) gregarious; pairs frequenting banana feeders; often with other species, e.g. Green Honeycreeper and Red-legged Honeycreeper, as well as tanagers; D,C; LDL.
  • Red-legged Honeycreeper (Cyanerpes cyaneus) pairs and individuals frequenting banana feeders; often with other species (see above); D, C; LDL.
  • Nicaraguan Seed Finch (Oryzoborus nuttingi) gregarious; active in tall grass and second-growth on the outskirts of Boca Tapada village, I;C; BT.
Nicaraguan Seed Finch (Oryzoborus nuttingi) Boca Tapada, Alajuela CR  9 Aug 2017 Joe Beck
  • Variable Seedeater (Sporophila corvina) (Caribbean dark morph) gregarious (m,f); in weedy second growth and gardens; D;C; LDL, LLV, BT, CN.
  • White-collared Seedeater (Sporophila torqueola) gregarious (m,f) roadside grassy areas and edge of marsh, SRBT, CN.
  • Yellow-faced Grassquit (Tiarus olivaceus) with VASE and PATA, on utility line at edge of forest and pasture, R,C; SR.
  • Blue-black Grassquit (Volatina jacarina) gregarious; grassy areas along roadways; gardens and second-growth, I, C; U.
  • Black-striped Sparrow (Arremonops conirostris) gregarious; foraging on lawns;  one feeding a parasitic Bronzed Cowbird, I, C; CN.
  • Stripe-headed Sparrow (Peucae ruficauda) gregarious; foraging in weedy vacant lots; I,C; PT.
 Stripe-headed Sparrow (Peucaea ruficauda) Playa Tamarindo, CR 3 Aug 2017 Callyn Yorke
  • Rufous-collared Sparrow (Zonotrichia capensis) gregarious; a pair foraging in a suburban pasture, I, C; MH.
  • House Sparrow (Passer domesticus) gregarious; towns and villages; I, C; U.
  • Grayish Saltator (Saltator coerulescens) in garden trees; I,C; MH.
Grayish Saltator (Saltator coerulescens), Melrost garden, San Jose, CR  17 July 2017 Callyn Yorke
  • Buff-throated Saltator (Saltator maximus) in garden trees; foraging on lawn beneath banana feeder, D, C; LDL.
  • Black-faced Grosbeak (Caryothraustes poliogaster) vocal, gregarious; flock moving quickly through fruiting trees at edge of forest, R, B; LLV.
  • Blue-black Grosbeak (Cyanocompsa cyanoides) active in second-growth, R,C; CN.
  • Melodius Blackbird (Dives dives) a pair foraging low in trees at edge of pasture, R, C; MH, CN.
  • Bronzed Cowbird (Molothrus aenus) a young male in the garden following and being fed by a Black-striped Sparrow, R;C; CN.
Bronzed Cowbird (Molothrus aenus) immature, Caño Negro,  CR  7 August 2017 Callyn Yorke
  • Great-tailed Grackle (Quiscalus mexicanus) gregarious; in villages and towns, D, C; U.
  • Giant Cowbird (Molothrus orizyvorus) roadside grassland, pasture and second-growth, I, C; BT.
  • Streak-backed Oriole (Icterus pustulatus)  garden trees, R, C; PT.
  • Yellow-billed Cacique (Amblycercus holosericeus) in tall riverside trees, R,C; RFCN.
  • Chestnut-headed Oropendola (Psarocolias wagleri) gregarious; a pair briefly visiting the canopy tall garden tree near banana feeder, R, C; LDL.
Chestnut-headed Oropendola (Psarocolias wagleri)   Laguna del Lagarto, CR  25 July 2017 Callyn Yorke
  • Montezuma Oropendola (Psarocolias montezuma) vocal, gregarious; males about 30% larger than females; usually only one male with several subordinate females at the banana feeders; female pecking order well established, each taking turns picking pieces from bunches of bananas;  generally agile and acrobatic at the feeders; birds apparently flying in each day from distant overnight roosts northwest of Laguna del Lagarto lodge; D, B; LDL; CL, CN.
Montezuma Oropendola (Psarocolius montezuma) fem.   Laguna del Lagarto CR  18 July 2017 Callyn Yorke

                                                                    

Montezuma Oropendola (Psarocolius montezuma) male, Laguna del Lagarto, CR, 18 July 2024 Callyn Yorke
  • Olive-backed Euphonia (Euphonia gouldi) frequenting banana feeders; subordinate to most larger species at the feeders; often at the feeders during and immediately following rains; D,C; LDL.
Olive-backed Euphonia (Euphonia gouldi) Laguna del Lagarto, CR, 19 July 2017 Callyn Yorke

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