Avibase - Bird Checklists of the World
Isla Rasa
This checklist includes all bird species found in Isla Rasa , 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 2025. 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 2026
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Country or region: Isla Rasa [map]
Number of globally threatened species: 4
Number of introduced species: 1
Date last reviewed: 2024-12-24
Last modified: 2025-10-12
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| Red-breasted Merganser | Mergus serrator | |
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| Eurasian Collared-Dove | Streptopelia decaocto | Introduced species |
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| Costa's Hummingbird | Calypte costae | |
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| American Coot | Fulica americana | |
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| American Oystercatcher | Haematopus palliatus | |
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| Semipalmated Plover | Charadrius semipalmatus | |
| Snowy Plover | Anarhynchus nivosus | Near-threatened |
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| Hudsonian Whimbrel | Numenius hudsonicus | |
| Short-billed Dowitcher | Limnodromus griseus | Vulnerable |
| Red-necked Phalarope | Phalaropus lobatus | |
| Spotted Sandpiper | Actitis macularius | |
| Wandering Tattler | Tringa incana | Rare/Accidental |
| Lesser Yellowlegs | Tringa flavipes | Vulnerable |
| Willet | Tringa semipalmata | |
| Greater Yellowlegs | Tringa melanoleuca | Near-threatened |
| Black Turnstone | Arenaria melanocephala | |
| Surfbird | Calidris virgata | |
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| Craveri's Murrelet | Synthliboramphus craveri | Endemic (country/region) Vulnerable |
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| Sabine's Gull | Xema sabini | |
| Bonaparte's Gull | Chroicocephalus philadelphia | |
| Heermann's Gull | Larus heermanni | Near-threatened |
| Ring-billed Gull | Larus delawarensis | |
| Yellow-footed Gull | Larus livens | Endemic (country/region) |
| California Gull | Larus californicus | |
| Caspian Tern | Hydroprogne caspia | |
| Black Tern | Chlidonias niger | |
| Sandwich Tern | Thalasseus sandvicensis | Rare/Accidental |
| Elegant Tern | Thalasseus elegans | Near-threatened |
| Royal Tern | Thalasseus maximus | |
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| Pied-billed Grebe | Podilymbus podiceps | |
| Eared Grebe | Podiceps nigricollis | |
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| Red-billed Tropicbird | Phaethon aethereus | |
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| Pacific Loon | Gavia pacifica | |
| Common Loon | Gavia immer | |
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| Black Storm-Petrel | Hydrobates melania | |
| Least Storm-Petrel | Hydrobates microsoma | |
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| Pink-footed Shearwater | Ardenna creatopus | Vulnerable |
| Sooty Shearwater | Ardenna grisea | Near-threatened |
| Black-vented Shearwater | Puffinus opisthomelas | Endemic (country/region) Near-threatened |
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| Magnificent Frigatebird | Fregata magnificens | |
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| Cocos Booby | Sula brewsteri | |
| Blue-footed Booby | Sula nebouxii | |
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| Brandt's Cormorant | Urile penicillatus | |
| Double-crested Cormorant | Nannopterum auritum | |
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| Yellow-crowned Night Heron | Nyctanassa violacea | |
| Black-crowned Night Heron | Nycticorax nycticorax | |
| Reddish Egret | Egretta rufescens | Near-threatened |
| Snowy Egret | Egretta thula | |
| Great Egret | Ardea alba | |
| Great Blue Heron | Ardea herodias | |
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| Brown Pelican | Pelecanus occidentalis | |
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| Turkey Vulture | Cathartes aura | |
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| Osprey | Pandion haliaetus | |
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| Ladder-backed Woodpecker | Dryobates scalaris | |
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| American Kestrel | Falco sparverius | |
| Peregrine Falcon | Falco peregrinus | |
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| Ash-throated Flycatcher | Myiarchus cinerascens | |
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| Common Raven | Corvus corax | |
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| Violet-green Swallow | Tachycineta thalassina | |
| Cliff Swallow | Petrochelidon pyrrhonota | |
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| Northern Mockingbird | Mimus polyglottos | |
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| House Finch | Haemorhous mexicanus | |
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| Black-throated Sparrow | Amphispiza bilineata | |
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| Western Meadowlark | Sturnella neglecta | |
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