| Tinamous: Tinamidae |
| 1 | Highland Tinamou | Nothocercus bonapartei | UC |
| Ducks: Anatidae |
| 2 | Muscovy Duck | Cairina moschata | ? |
| 3 | Mallard | Anas platyrhynchos | VR |
| Guans, Chachalacas, and Curassows: Cracidae |
| 4 | Black Guan | Chamaepetes unicolor | UC |
| 5 | Gray-headed Chachalaca | Ortalis cinereiceps | ? |
| New World Quail: Odontophoridae |
| 6 | Buffy-crowned Wood-Partridge | Dendrortyx leucophrys | R |
| 7 | Black-breasted Wood-Quail | Odontophorus leucolaemus | UC |
| 8 | Spotted Wood-Quail | Odontophorus guttatus | UC |
| Pigeons and Doves: Columbidae |
| 9 | Rock Pigeon | Columba livia | ? |
| 10 | Pale-vented Pigeon | Patagioenas cayennensis | ? |
| 11 | Scaled Pigeon | Patagioenas speciosa | ? |
| 12 | Red-billed Pigeon | Patagioenas flavirostris | ? |
| 13 | Band-tailed Pigeon | Patagioenas fasciata | A |
| 14 | Ruddy Pigeon | Patagioenas subvinacea | C |
| 15 | Inca Dove | Columbina inca | ? |
| 16 | Maroon-chested Ground Dove | Paraclaravis mondetoura | ? |
| 17 | White-tipped Dove | Leptotila verreauxi | C |
| 18 | Buff-fronted Quail-Dove | Zentrygon costaricensis | UC |
| 19 | Chiriqui Quail-Dove | Zentrygon chiriquensis | R |
| Cuckoos: Cuculidae |
| 20 | Groove-billed Ani | Crotophaga sulcirostris | ? |
| 21 | Common Squirrel-Cuckoo | Piaya cayana | ? |
| Nightjars and Allies: Caprimulgidae |
| 22 | Common Pauraque | Nyctidromus albicollis | UC |
| 23 | Dusky Nightjar | Antrostomus saturatus | FC |
| Swifts: Apodidae |
| 24 | Black Swift | Cypseloides niger | VR |
| 25 | White-chinned Swift | Cypseloides cryptus | ? |
| 26 | Spot-fronted Swift | Cypseloides cherriei | ? |
| 27 | Chestnut-collared Swift | Streptoprocne rutila | FC |
| 28 | White-collared Swift | Streptoprocne zonaris | C |
| 29 | Costa Rican Swift | Chaetura fumosa | ? |
| 30 | |Chimney Swift| | Chaetura pelagica | ? |
| 31 | Vaux's Swift | Chaetura vauxi | C |
| Hummingbirds: Trochilidae |
| 32 | White-necked Jacobin | Florisuga mellivora | ? |
| 33 | Band-tailed Barbthroat | Threnetes ruckeri | ? |
| 34 | Green Hermit | Phaethornis guy | ? |
| 35 | Stripe-throated Hermit | Phaethornis striigularis | ? |
| 36 | Green-fronted Lancebill | Doryfera ludovicae | UC |
| 37 | Brown Violetear | Colibri delphinae | ? |
| 38 | Lesser Violetear | Colibri cyanotus | A |
| 39 | Green-breasted Mango | Anthracothorax prevostii | ? |
| 40 | Green Thorntail | Discosura conversii | ? |
| 41 | Black-crested Coquette | Lophornis helenae | ? |
| 42 | Green-crowned Brilliant | Heliodoxa jacula | R |
| 43 | Talamanca Hummingbird | Eugenes spectabilis | A |
| 44 | Fiery-throated Hummingbird | Panterpe insignis | R |
| 45 | Purple-throated Mountain-gem | Lampornis calolaemus | ? |
| 46 | White-throated Mountain-gem | Lampornis castaneoventris | A |
| 47 | Magenta-throated Woodstar | Philodice bryantae | ? |
| 48 | /Ruby-throated Hummingbird/ | Archilochus colubris | ? |
| 49 | Volcano Hummingbird | Selasphorus flammula | C |
| 50 | Scintillant Hummingbird | Selasphorus scintilla | A |
| 51 | Violet-headed Hummingbird | Klais guimeti | ? |
| 52 | Violet Sabrewing | Campylopterus hemileucurus | R |
| 53 | Crowned Woodnymph | Thalurania colombica | ? |
| 54 | Snowcap | Microchera albocoronata | ? |
| 55 | White-tailed Emerald | Microchera chionura | ? |
| 56 | Stripe-tailed Hummingbird | Eupherusa eximia | R |
| 57 | Black-bellied Hummingbird | Eupherusa nigriventris | ? |
| 58 | Blue-vented Hummingbird | Saucerottia hoffmanni | ? |
| 59 | Snowy-bellied Hummingbird | Saucerottia edward | ? |
| 60 | Rufous-tailed Hummingbird | Amazilia tzacatl | ? |
| Rails, Gallinules, and Coots: Rallidae |
| 61 | Gray-cowled Wood-Rail | Aramides cajaneus | ? |
| Sandpipers and Allies: Scolopacidae |
| 62 | Spotted Sandpiper | Actitis macularius | FC |
| 63 | /Solitary Sandpiper/ | Tringa solitaria | R |
| Frigatebirds: Fregatidae |
| 64 | Magnificent Frigatebird | Fregata magnificens | ? |
| Cormorants and Shags: Phalacrocoracidae |
| 65 | Neotropic Cormorant | Nannopterum brasilianus | UC |
| Herons, Egrets, and Bitterns: Ardeidae |
| 66 | Fasciated Tiger-Heron | Tigrisoma fasciatum | ? |
| 67 | Green Heron | Butorides virescens | ? |
| 68 | Western Cattle-Egret | Bubulcus ibis | C |
| 69 | Great Egret | Ardea alba | ? |
| 70 | /Great Blue Heron/ | Ardea herodias | R |
| New World Vultures: Cathartidae |
| 71 | Black Vulture | Coragyps atratus | A |
| 72 | Turkey Vulture | Cathartes aura | A |
| Osprey: Pandionidae |
| 73 | /Osprey/ | Pandion haliaetus | UC |
| Hawks, Eagles, and Kites: Accipitridae |
| 74 | White-tailed Kite | Elanus leucurus | ? |
| 75 | Swallow-tailed Kite | Elanoides forficatus | FC |
| 76 | Black Hawk-Eagle | Spizaetus tyrannus | ? |
| 77 | Ornate Hawk-Eagle | Spizaetus ornatus | R |
| 78 | /Sharp-shinned Hawk/ | Accipiter striatus | UC |
| 79 | Bicolored Hawk | Astur bicolor | R |
| 80 | Cooper's Hawk | Astur cooperii | R |
| 81 | Barred Hawk | Morphnarchus princeps | ? |
| 82 | /Broad-winged Hawk/ | Buteo platypterus | C |
| 83 | Short-tailed Hawk | Buteo brachyurus | ? |
| 84 | |Swainson's Hawk| | Buteo swainsoni | FC |
| 85 | Red-tailed Hawk | Buteo jamaicensis | C |
| Barn-Owls: Tytonidae |
| 86 | Western Barn Owl | Tyto alba | X |
| Owls: Strigidae |
| 87 | Bare-shanked Screech-Owl | Megascops clarkii | R |
| 88 | Costa Rican Pygmy-Owl | Glaucidium costaricanum | UC |
| 89 | Ferruginous Pygmy-Owl | Glaucidium brasilianum | UC |
| 90 | Mottled Owl | Strix virgata | UC |
| 91 | Unspotted Saw-whet Owl | Aegolius ridgwayi | VR |
| Trogons: Trogonidae |
| 92 | Resplendent Quetzal | Pharomachrus mocinno | C |
| 93 | Graceful Black-throated Trogon | Trogon tenellus | ? |
| 94 | Collared Trogon | Trogon collaris | FC |
| Motmots: Momotidae |
| 95 | Lesson's Motmot | Momotus lessonii | ? |
| Kingfishers: Alcedinidae |
| 96 | Ringed Kingfisher | Megaceryle torquata | R |
| 97 | /Belted Kingfisher/ | Megaceryle alcyon | R |
| 98 | Amazon Kingfisher | Chloroceryle amazona | ? |
| 99 | Green Kingfisher | Chloroceryle americana | ? |
| New World Barbets: Capitonidae |
| 100 | Red-headed Barbet | Eubucco bourcierii | R |
| Toucan-Barbets: Semnornithidae |
| 101 | Prong-billed Barbet | Semnornis frantzii | ? |
| Toucans: Ramphastidae |
| 102 | Northern Emerald-Toucanet | Aulacorhynchus prasinus | FC |
| 103 | Collared Aracari | Pteroglossus torquatus | ? |
| Woodpeckers: Picidae |
| 104 | /Yellow-bellied Sapsucker/ | Sphyrapicus varius | VR |
| 105 | <Acorn Woodpecker> | Melanerpes formicivorus | A |
| 106 | Black-cheeked Woodpecker | Melanerpes pucherani | ? |
| 107 | Red-crowned Woodpecker | Melanerpes rubricapillus | ? |
| 108 | Hoffmann's Woodpecker | Melanerpes hoffmannii | R |
| 109 | Hairy Woodpecker | Leuconotopicus villosus | FC |
| 110 | Golden-olive Woodpecker | Colaptes rubiginosus | UC |
| Falcons and Caracaras: Falconidae |
| 111 | Collared Forest-Falcon | Micrastur semitorquatus | ? |
| 112 | Barred Forest-Falcon | Micrastur ruficollis | UC |
| 113 | Crested Caracara | Caracara cheriway | ? |
| 114 | /American Kestrel/ | Falco sparverius | UC |
| 115 | |Merlin| | Falco columbarius | UC |
| 116 | Bat Falcon | Falco rufigularis | UC |
| 117 | /Peregrine Falcon/ | Falco peregrinus | UC |
| Parrots: Psittacidae |
| 118 | Red-fronted Parrotlet | Touit costaricensis | ? |
| 119 | <Barred Parakeet> | Bolborhynchus lineola | UC |
| 120 | White-crowned Parrot | Pionus senilis | C |
| 121 | Sulphur-winged Parakeet | Pyrrhura hoffmanni | FC |
| 122 | Crimson-fronted Parakeet | Psittacara finschi | ? |
| Antpittas: Grallariidae |
| 123 | Scaled Antpitta | Grallaria guatimalensis | ? |
| Tapaculos: Rhinocryptidae |
| 124 | Silvery-fronted Tapaculo | Scytalopus argentifrons | FC |
| Ovenbirds and Woodcreepers: Furnariidae |
| 125 | Olivaceous Woodcreeper | Sittasomus griseicapillus | ? |
| 126 | Ruddy Woodcreeper | Dendrocincla homochroa | ? |
| 127 | Black-banded Woodcreeper | Dendrocolaptes picumnus | ? |
| 128 | Spotted Woodcreeper | Xiphorhynchus erythropygius | ? |
| 129 | Streak-headed Woodcreeper | Lepidocolaptes souleyetii | ? |
| 130 | Spot-crowned Woodcreeper | Lepidocolaptes affinis | C |
| 131 | Northern Plain-Xenops | Xenops mexicanus | ? |
| 132 | Streaked Xenops | Xenops rutilans | R |
| 133 | Buffy Tuftedcheek | Pseudocolaptes lawrencii | FC |
| 134 | Lineated Foliage-gleaner | Syndactyla subalaris | UC |
| 135 | Streak-breasted Treehunter | Thripadectes rufobrunneus | UC |
| 136 | Spotted Barbtail | Premnoplex brunnescens | FC |
| 137 | Ruddy Treerunner | Margarornis rubiginosus | C |
| 138 | Red-faced Spinetail | Cranioleuca erythrops | ? |
| 139 | Pale-breasted Spinetail | Synallaxis albescens | ? |
| Tityras and Allies: Tityridae |
| 140 | Masked Tityra | Tityra semifasciata | R |
| 141 | Barred Becard | Pachyramphus versicolor | UC |
| Tyrant Flycatchers: Tyrannidae |
| 142 | White-throated Spadebill | Platyrinchus mystaceus | ? |
| 143 | Olive-streaked Flycatcher | Mionectes olivaceus | FC |
| 144 | Common Tody-Flycatcher | Todirostrum cinereum | ? |
| 145 | Yellow-olive Flatbill | Tolmomyias sulphurescens | ? |
| 146 | Greenish Elaenia | Myiopagis viridicata | ? |
| 147 | Yellow-bellied Elaenia | Elaenia flavogaster | UC |
| 148 | Lesser Elaenia | Elaenia chiriquensis | ? |
| 149 | Mountain Elaenia | Elaenia frantzii | C |
| 150 | Torrent Tyrannulet | Serpophaga cinerea | FC |
| 151 | White-fronted Tyrannulet | Acrochordopus zeledoni | ? |
| 152 | Mistletoe Tyrannulet | Zimmerius parvus | FC |
| 153 | Bran-colored Flycatcher | Myiophobus fasciatus | ? |
| 154 | Tufted Flycatcher | Mitrephanes phaeocercus | C |
| 155 | |Olive-sided Flycatcher| | Contopus cooperi | UC |
| 156 | Ochraceous Pewee | Contopus ochraceus | UC |
| 157 | Dark Pewee | Contopus lugubris | C |
| 158 | |Western Wood-Pewee| | Contopus sordidulus | UC |
| 159 | |Eastern Wood-Pewee| | Contopus virens | ? |
| 160 | /Yellow-bellied Flycatcher/ | Empidonax flaviventris | ? |
| 161 | /White-throated Flycatcher/ | Empidonax albigularis | ? |
| 162 | Yellowish Flycatcher | Empidonax flavescens | C |
| 163 | Black-capped Flycatcher | Empidonax atriceps | C |
| 164 | Black Phoebe | Sayornis nigricans | C |
| 165 | Great Kiskadee | Pitangus sulphuratus | A |
| 166 | Boat-billed Flycatcher | Megarynchus pitangua | C |
| 167 | Social Flycatcher | Myiozetetes similis | FC |
| 168 | Golden-bellied Flycatcher | Myiodynastes hemichrysus | FC |
| 169 | (Piratic Flycatcher) | Legatus leucophaius | ? |
| 170 | Tropical Kingbird | Tyrannus melancholicus | A |
| Vireos, Shrike-Babblers, and Erpornis: Vireonidae |
| 171 | Rufous-browed Peppershrike | Cyclarhis gujanensis | FC |
| 172 | /Yellow-throated Vireo/ | Vireo flavifrons | UC |
| 173 | Blue-headed Vireo | Vireo solitarius | VR |
| 174 | Yellow-winged Vireo | Vireo carmioli | FC |
| 175 | Western Warbling Vireo | Vireo swainsoni | VR |
| 176 | Brown-capped Vireo | Vireo leucophrys | FC |
| 177 | /Philadelphia Vireo/ | Vireo philadelphicus | FC |
| 178 | |Red-eyed Vireo| | Vireo olivaceus | ? |
| 179 | Yellow-green Vireo | Vireo flavoviridis | ? |
| Crows, Jays, and Magpies: Corvidae |
| 180 | Silvery-throated Jay | Cyanolyca argentigula | UC |
| 181 | Azure-hooded Jay | Cyanolyca cucullata | ? |
| 182 | Brown Jay | Cyanocorax morio | ? |
| Swallows: Hirundinidae |
| 183 | Gray-breasted Martin | Progne chalybea | ? |
| 184 | Northern Rough-winged Swallow | Stelgidopteryx serripennis | UC |
| 185 | Southern Rough-winged Swallow | Stelgidopteryx ruficollis | ? |
| 186 | Blue-and-white Swallow | Pygochelidon cyanoleuca | A |
| 187 | /Barn Swallow/ | Hirundo rustica | UC |
| 188 | |Cliff Swallow| | Petrochelidon pyrrhonota | ? |
| Wrens: Troglodytidae |
| 189 | Scaly-breasted Wren | Microcerculus marginatus | ? |
| 190 | Southern House Wren | Troglodytes musculus | C |
| 191 | Ochraceous Wren | Troglodytes ochraceus | C |
| 192 | Timberline Wren | Thryorchilus browni | ? |
| 193 | Grass Wren | Cistothorus platensis | ? |
| 194 | Rufous-breasted Wren | Pheugopedius rutilus | ? |
| 195 | Gray-breasted Wood-Wren | Henicorhina leucophrys | C |
| Dippers: Cinclidae |
| 196 | American Dipper | Cinclus mexicanus | FC |
| Mockingbirds and Thrashers: Mimidae |
| 197 | /Gray Catbird/ | Dumetella carolinensis | R |
| 198 | Tropical Mockingbird | Mimus gilvus | ? |
| Thrushes and Allies: Turdidae |
| 199 | Black-faced Solitaire | Myadestes melanops | FC |
| 200 | Black-billed Nightingale-Thrush | Catharus gracilirostris | FC |
| 201 | Orange-billed Nightingale-Thrush | Catharus aurantiirostris | ? |
| 202 | Slaty-backed Nightingale-Thrush | Catharus fuscater | ? |
| 203 | Ruddy-capped Nightingale-Thrush | Catharus frantzii | FC |
| 204 | |Swainson's Thrush| | Catharus ustulatus | FC |
| 205 | /Wood Thrush/ | Hylocichla mustelina | R |
| 206 | Sooty Thrush | Turdus nigrescens | ? |
| 207 | Mountain Thrush | Turdus plebejus | C |
| 208 | Pale-vented Thrush | Turdus obsoletus | ? |
| 209 | White-throated Thrush | Turdus assimilis | ? |
| 210 | Clay-colored Thrush | Turdus grayi | A |
| Waxwings: Bombycillidae |
| 211 | /Cedar Waxwing/ | Bombycilla cedrorum | ? |
| Silky-flycatchers: Ptiliogonatidae |
| 212 | Black-and-yellow Silky-flycatcher | Phainoptila melanoxantha | UC |
| 213 | Long-tailed Silky-flycatcher | Ptiliogonys caudatus | C |
| Old World Sparrows: Passeridae |
| 214 | House Sparrow | Passer domesticus | ? |
| Finches, Euphonias, and Allies: Fringillidae |
| 215 | Elegant Euphonia | Chlorophonia elegantissima | UC |
| 216 | Golden-browed Chlorophonia | Chlorophonia callophrys | FC |
| 217 | Spot-crowned Euphonia | Euphonia imitans | ? |
| 218 | Lesser Goldfinch | Spinus psaltria | ? |
| 219 | <Yellow-bellied Siskin> | Spinus xanthogastrus | FC |
| New World Sparrows: Passerellidae |
| 220 | Sooty-capped Chlorospingus | Chlorospingus pileatus | A |
| 221 | Common Chlorospingus | Chlorospingus flavopectus | C |
| 222 | Black-striped Sparrow | Arremonops conirostris | ? |
| 223 | Chestnut-capped Brushfinch | Arremon brunneinucha | FC |
| 224 | Sooty-faced Finch | Arremon crassirostris | ? |
| 225 | Volcano Junco | Junco vulcani | ? |
| 226 | Rufous-collared Sparrow | Zonotrichia capensis | A |
| 227 | Large-footed Finch | Pezopetes capitalis | FC |
| 228 | White-naped Brushfinch | Atlapetes albinucha | ? |
| 229 | Yellow-thighed Brushfinch | Atlapetes tibialis | C |
| Troupials and Allies: Icteridae |
| 230 | Eastern Meadowlark | Sturnella magna | ? |
| 231 | Yellow-billed Cacique | Amblycercus holosericeus | R |
| 232 | Montezuma Oropendola | Psarocolius montezuma | ? |
| 233 | /Orchard Oriole/ | Icterus spurius | ? |
| 234 | /Baltimore Oriole/ | Icterus galbula | A |
| 235 | Bronzed Cowbird | Molothrus aeneus | ? |
| 236 | Melodious Blackbird | Dives dives | ? |
| 237 | Great-tailed Grackle | Quiscalus mexicanus | ? |
| New World Warblers: Parulidae |
| 238 | /Louisiana Waterthrush/ | Parkesia motacilla | FC |
| 239 | /Northern Waterthrush/ | Parkesia noveboracensis | ? |
| 240 | /Golden-winged Warbler/ | Vermivora chrysoptera | R |
| 241 | Black-and-white Warbler | Mniotilta varia | FC |
| 242 | /Prothonotary Warbler/ | Protonotaria citrea | ? |
| 243 | Flame-throated Warbler | Oreothlypis gutturalis | C |
| 244 | /Tennessee Warbler/ | Leiothlypis peregrina | A |
| 245 | /Mourning Warbler/ | Geothlypis philadelphia | R |
| 246 | /Kentucky Warbler/ | Geothlypis formosa | R |
| 247 | /Hooded Warbler/ | Setophaga citrina | ? |
| 248 | /American Redstart/ | Setophaga ruticilla | ? |
| 249 | Tropical Parula | Setophaga pitiayumi | ? |
| 250 | /Blackburnian Warbler/ | Setophaga fusca | R |
| 251 | /Yellow Warbler/ | Setophaga petechia | ? |
| 252 | /Chestnut-sided Warbler/ | Setophaga pensylvanica | ? |
| 253 | /Yellow-rumped Warbler/ | Setophaga coronata | R |
| 254 | /Townsend's Warbler/ | Setophaga townsendi | R |
| 255 | /Black-throated Green Warbler/ | Setophaga virens | C |
| 256 | Chestnut-capped Warbler | Basileuterus delattrii | ? |
| 257 | Black-cheeked Warbler | Basileuterus melanogenys | FC |
| 258 | Golden-crowned Warbler | Basileuterus culicivorus | ? |
| 259 | Costa Rican Warbler | Basileuterus melanotis | ? |
| 260 | |Canada Warbler| | Cardellina canadensis | ? |
| 261 | Wilson's Warbler | Cardellina pusilla | A |
| 262 | Slate-throated Redstart | Myioborus miniatus | ? |
| 263 | Collared Redstart | Myioborus torquatus | A |
| 264 | Wrenthrush | Zeledonia coronata | UC |
| Cardinals and Allies: Cardinalidae |
| 265 | Hepatic Tanager | Piranga flava | R |
| 266 | /Summer Tanager/ | Piranga rubra | C |
| 267 | |Scarlet Tanager| | Piranga olivacea | ? |
| 268 | /Western Tanager/ | Piranga ludoviciana | ? |
| 269 | Flame-colored Tanager | Piranga bidentata | C |
| 270 | White-winged Tanager | Piranga leucoptera | R |
| 271 | Black-thighed Grosbeak | Pheucticus tibialis | FC |
| 272 | /Rose-breasted Grosbeak/ | Pheucticus ludovicianus | FC |
| Tanagers and Allies: Thraupidae |
| 273 | White-lined Tanager | Tachyphonus rufus | ? |
| 274 | Crimson-collared Tanager | Ramphocelus sanguinolentus | ? |
| 275 | Scarlet-rumped Tanager | Ramphocelus passerinii | ? |
| 276 | Blue-gray Tanager | Thraupis episcopus | C |
| 277 | Palm Tanager | Thraupis palmarum | ? |
| 278 | Speckled Tanager | Ixothraupis guttata | ? |
| 279 | Golden-hooded Tanager | Stilpnia larvata | ? |
| 280 | Spangle-cheeked Tanager | Tangara dowii | FC |
| 281 | Silver-throated Tanager | Tangara icterocephala | FC |
| 282 | Red-legged Honeycreeper | Cyanerpes cyaneus | R |
| 283 | Slaty Flowerpiercer | Diglossa plumbea | A |
| 284 | <Slaty Finch> | Haplospiza rustica | ? |
| 285 | <Peg-billed Finch> | Acanthidops bairdi | ? |
| 286 | Blue-black Grassquit | Volatinia jacarina | ? |
| 287 | Variable Seedeater | Sporophila corvina | ? |
| 288 | Bananaquit | Coereba flaveola | ? |
| 289 | Yellow-faced Grassquit | Tiaris olivaceus | A |
| 290 | Buff-throated Saltator | Saltator maximus | ? |
| 291 | Cinnamon-bellied Saltator | Saltator grandis | ? |