Avibase - Bird Checklists of the World
Cocos Island
This checklist includes all bird species found in Cocos Island , based on the best information available at this time. It is based on a wide variety of sources that I collated over many years. I am pleased to offer these checklists as a service to birdwatchers. If you find any error, please do not hesitate to .
The taxonomic order and nomenclature follows Clements, version 2024. If you prefer to view the list based on a different authority, click on one of the list available below. Globally threatened species (status in red) were identified by Birdlife International in Birdlife Data Zone (species).
Bird Checklists of the World is part of Avibase and Bird links to the World, which are designed and maintained by Denis Lepage, and hosted by Birds Canada, which is a co-partner of Birdlife International.
© Denis Lepage 2024
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Country or region: Cocos Island [map]
Number of endemics: 3
Number of globally threatened species: 10
Date last reviewed: 2012-02-07
Last modified: 2024-11-27
See also: http://listaoficialavesdecostarica.wordpress.com/isla-del-coco/
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| Black-bellied Whistling-Duck | Dendrocygna autumnalis | Rare/Accidental |
| Blue-winged Teal | Spatula discors | |
| Northern Shoveler | Spatula clypeata | Rare/Accidental |
| American Wigeon | Mareca americana | Rare/Accidental |
| White-cheeked Pintail | Anas bahamensis | Rare/Accidental |
| Green-winged Teal | Anas crecca | Rare/Accidental |
| Ring-necked Duck | Aythya collaris | Rare/Accidental |
| Lesser Scaup | Aythya affinis | |
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| Rock Pigeon | Columba livia | Rare/Accidental |
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| Smooth-billed Ani | Crotophaga ani | Rare/Accidental |
| Cocos Cuckoo | Coccyzus ferrugineus | Endemic Vulnerable |
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| Lesser Nighthawk | Chordeiles acutipennis | Rare/Accidental |
| Common Nighthawk | Chordeiles minor | Rare/Accidental |
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| Vaux's Swift | Chaetura vauxi | |
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| Spotted Rail | Pardirallus maculatus | |
| Sora | Porzana carolina | Rare/Accidental |
| Common Gallinule | Gallinula galeata | |
| American Coot | Fulica americana | |
| Purple Gallinule | Porphyrio martinica | |
| White-throated Crake | Laterallus albigularis | |
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| Black-bellied Plover | Pluvialis squatarola | Vulnerable |
| American Golden-Plover | Pluvialis dominica | |
| Pacific Golden-Plover | Pluvialis fulva | Rare/Accidental |
| Killdeer | Charadrius vociferus | Rare/Accidental Near-threatened |
| Semipalmated Plover | Charadrius semipalmatus | |
| Wilson's Plover | Anarhynchus wilsonia | |
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| Upland Sandpiper | Bartramia longicauda | |
| Whimbrel | Numenius phaeopus | |
| Short-billed Dowitcher | Limnodromus griseus | Rare/Accidental Vulnerable |
| Wilson's Snipe | Gallinago delicata | |
| Wilson's Phalarope | Phalaropus tricolor | Rare/Accidental |
| Red Phalarope | Phalaropus fulicarius | Rare/Accidental |
| Spotted Sandpiper | Actitis macularius | |
| Solitary Sandpiper | Tringa solitaria | |
| Wandering Tattler | Tringa incana | |
| Lesser Yellowlegs | Tringa flavipes | Vulnerable |
| Willet | Tringa semipalmata | |
| Greater Yellowlegs | Tringa melanoleuca | Near-threatened |
| Ruddy Turnstone | Arenaria interpres | Near-threatened |
| Stilt Sandpiper | Calidris himantopus | Near-threatened |
| Sanderling | Calidris alba | |
| Baird's Sandpiper | Calidris bairdii | |
| White-rumped Sandpiper | Calidris fuscicollis | Vulnerable |
| Least Sandpiper | Calidris minutilla | Near-threatened |
| Pectoral Sandpiper | Calidris melanotos | |
| Western Sandpiper | Calidris mauri | |
| Semipalmated Sandpiper | Calidris pusilla | Near-threatened |
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| Parasitic Jaeger | Stercorarius parasiticus | Rare/Accidental |
| Pomarine Jaeger | Stercorarius pomarinus | Rare/Accidental |
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| Swallow-tailed Gull | Creagrus furcatus | Rare/Accidental |
| Sabine's Gull | Xema sabini | |
| Bonaparte's Gull | Chroicocephalus philadelphia | Rare/Accidental |
| Gray-hooded Gull | Chroicocephalus cirrocephalus | Rare/Accidental |
| Gray Gull | Leucophaeus modestus | Rare/Accidental |
| Laughing Gull | Leucophaeus atricilla | |
| Franklin's Gull | Leucophaeus pipixcan | |
| Ring-billed Gull | Larus delawarensis | Rare/Accidental |
| American Herring Gull | Larus smithsonianus | |
| White Tern | Gygis alba | |
| Brown Noddy | Anous stolidus | |
| Black Noddy | Anous minutus | |
| Sooty Tern | Onychoprion fuscatus | |
| Bridled Tern | Onychoprion anaethetus | |
| Gull-billed Tern | Gelochelidon nilotica | |
| Black Tern | Chlidonias niger | |
| Arctic Tern | Sterna paradisaea | Rare/Accidental |
| Common Tern | Sterna hirundo | |
| Sandwich Tern | Thalasseus sandvicensis | |
| Elegant Tern | Thalasseus elegans | Rare/Accidental Near-threatened |
| Royal Tern | Thalasseus maximus | |
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| Pied-billed Grebe | Podilymbus podiceps | |
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| White-tailed Tropicbird | Phaethon lepturus | Rare/Accidental |
| Red-billed Tropicbird | Phaethon aethereus | Rare/Accidental |
| Red-tailed Tropicbird | Phaethon rubricauda | Rare/Accidental |
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| Waved Albatross | Phoebastria irrorata | Rare/Accidental Critically endangered |
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| Wilson's Storm-Petrel | Oceanites oceanicus | Rare/Accidental |
| White-faced Storm-Petrel | Pelagodroma marina | Rare/Accidental |
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| Leach's Storm-Petrel | Hydrobates leucorhous | Vulnerable |
| Band-rumped Storm-Petrel | Hydrobates castro | Rare/Accidental |
| Wedge-rumped Storm-Petrel | Hydrobates tethys | |
| Black Storm-Petrel | Hydrobates melania | |
| Markham's Storm-Petrel | Hydrobates markhami | Rare/Accidental Near-threatened |
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| Galapagos Petrel | Pterodroma phaeopygia | Rare/Accidental Critically endangered |
| Pink-footed Shearwater | Ardenna creatopus | Vulnerable |
| Wedge-tailed Shearwater | Ardenna pacifica | Rare/Accidental |
| Christmas Shearwater | Puffinus nativitatis | Rare/Accidental |
| Galapagos Shearwater | Puffinus subalaris | Rare/Accidental |
| Sargasso Shearwater | Puffinus lherminieri | |
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| Magnificent Frigatebird | Fregata magnificens | |
| Great Frigatebird | Fregata minor | |
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| Red-footed Booby | Sula sula | |
| Cocos Booby | Sula brewsteri | |
| Masked Booby | Sula dactylatra | |
| Nazca Booby | Sula granti | Rare/Accidental |
| Blue-footed Booby | Sula nebouxii | |
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| Glossy Ibis | Plegadis falcinellus | Rare/Accidental |
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| Brown Pelican | Pelecanus occidentalis | |
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| Yellow-crowned Night Heron | Nyctanassa violacea | |
| Little Blue Heron | Egretta caerulea | |
| Tricolored Heron | Egretta tricolor | |
| Reddish Egret | Egretta rufescens | Near-threatened |
| Snowy Egret | Egretta thula | |
| Striated Heron | Butorides striata | Rare/Accidental |
| Green Heron | Butorides virescens | |
| Western Cattle-Egret | Ardea ibis | |
| Great Egret | Ardea alba | |
| Great Blue Heron | Ardea herodias | |
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| Osprey | Pandion haliaetus | |
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| Swallow-tailed Kite | Elanoides forficatus | |
| Common Black Hawk | Buteogallus anthracinus | |
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| Belted Kingfisher | Megaceryle alcyon | |
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| Peregrine Falcon | Falco peregrinus | |
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| Cocos Tyrannulet | Nesotriccus ridgwayi | Endemic Vulnerable |
| Alder Flycatcher | Empidonax alnorum | |
| Eastern Phoebe | Sayornis phoebe | Rare/Accidental |
| Great Crested Flycatcher | Myiarchus crinitus | |
| Eastern Kingbird | Tyrannus tyrannus | |
| Fork-tailed Flycatcher | Tyrannus savana | Rare/Accidental |
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| Yellow-throated Vireo | Vireo flavifrons | Rare/Accidental |
| Red-eyed Vireo | Vireo olivaceus | |
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| Bank Swallow | Riparia riparia | |
| Tree Swallow | Tachycineta bicolor | Rare/Accidental |
| Violet-green Swallow | Tachycineta thalassina | Rare/Accidental |
| Purple Martin | Progne subis | |
| Northern Rough-winged Swallow | Stelgidopteryx serripennis | |
| Barn Swallow | Hirundo rustica | |
| Cliff Swallow | Petrochelidon pyrrhonota | |
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| Gray-cheeked Thrush | Catharus minimus | Rare/Accidental |
| Swainson's Thrush | Catharus ustulatus | |
| Wood Thrush | Hylocichla mustelina | Rare/Accidental |
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| American Pipit | Anthus rubescens | Rare/Accidental |
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| Clay-colored Sparrow | Spizella pallida | Rare/Accidental |
| White-crowned Sparrow | Zonotrichia leucophrys | Rare/Accidental |
| Savannah Sparrow | Passerculus sandwichensis | Rare/Accidental |
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| Yellow-breasted Chat | Icteria virens | |
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| Yellow-headed Blackbird | Xanthocephalus xanthocephalus | Rare/Accidental |
| Bobolink | Dolichonyx oryzivorus | |
| Spot-breasted Oriole | Icterus pectoralis | |
| Baltimore Oriole | Icterus galbula | |
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| Ovenbird | Seiurus aurocapilla | Rare/Accidental |
| Worm-eating Warbler | Helmitheros vermivorum | Rare/Accidental |
| Louisiana Waterthrush | Parkesia motacilla | |
| Northern Waterthrush | Parkesia noveboracensis | |
| Black-and-white Warbler | Mniotilta varia | Rare/Accidental |
| Prothonotary Warbler | Protonotaria citrea | Rare/Accidental |
| Tennessee Warbler | Leiothlypis peregrina | Rare/Accidental |
| Connecticut Warbler | Oporornis agilis | Rare/Accidental |
| Mourning Warbler | Geothlypis philadelphia | Rare/Accidental |
| Kentucky Warbler | Geothlypis formosa | Rare/Accidental |
| American Redstart | Setophaga ruticilla | Rare/Accidental |
| Cape May Warbler | Setophaga tigrina | Rare/Accidental |
| Bay-breasted Warbler | Setophaga castanea | Rare/Accidental |
| Blackburnian Warbler | Setophaga fusca | |
| Yellow Warbler | Setophaga petechia | |
| Blackpoll Warbler | Setophaga striata | Rare/Accidental Near-threatened |
| Palm Warbler | Setophaga palmarum | Rare/Accidental |
| Yellow-rumped Warbler | Setophaga coronata | Rare/Accidental |
| Prairie Warbler | Setophaga discolor | Rare/Accidental |
| Black-throated Green Warbler | Setophaga virens | |
| Buff-rumped Warbler | Myiothlypis fulvicauda | Rare/Accidental |
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| Summer Tanager | Piranga rubra | Rare/Accidental |
| Scarlet Tanager | Piranga olivacea | Rare/Accidental |
| Rose-breasted Grosbeak | Pheucticus ludovicianus | |
| Blue Bunting | Cyanocompsa parellina | Rare/Accidental |
| Blue Grosbeak | Passerina caerulea | Rare/Accidental |
| Indigo Bunting | Passerina cyanea | Rare/Accidental |
| Painted Bunting | Passerina ciris | Rare/Accidental |
| Dickcissel | Spiza americana | |
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| Cocos Finch | Pinaroloxias inornata | Endemic |
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