Avibase - Bird Checklists of the World
Isla Todos Santos
This checklist includes all bird species found in Isla Todos Santos , 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 Todos Santos [map]
Number of globally threatened species: 11
Number of introduced species: 3
Date last reviewed: 2024-12-24
Last modified: 2025-10-12
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| Brant | Branta bernicla | |
| Greater Scaup | Aythya marila | Rare/Accidental |
| Lesser Scaup | Aythya affinis | |
| Surf Scoter | Melanitta perspicillata | |
| White-winged Scoter | Melanitta deglandi | |
| Bufflehead | Bucephala albeola | |
| Red-breasted Merganser | Mergus serrator | |
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| Eurasian Collared-Dove | Streptopelia decaocto | Introduced species |
| Mourning Dove | Zenaida macroura | |
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| White-throated Swift | Aeronautes saxatalis | |
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| Anna's Hummingbird | Calypte anna | |
| Costa's Hummingbird | Calypte costae | |
| Rufous Hummingbird | Selasphorus rufus | Near-threatened |
| Allen's Hummingbird | Selasphorus sasin | |
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| Black-necked Stilt | Himantopus mexicanus | |
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| American Oystercatcher | Haematopus palliatus | |
| Black Oystercatcher | Haematopus bachmani | |
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| Black-bellied Plover | Pluvialis squatarola | Vulnerable |
| Killdeer | Charadrius vociferus | Near-threatened |
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| Hudsonian Whimbrel | Numenius hudsonicus | |
| Long-billed Curlew | Numenius americanus | |
| Marbled Godwit | Limosa fedoa | Vulnerable |
| Short-billed Dowitcher | Limnodromus griseus | Vulnerable |
| Red Phalarope | Phalaropus fulicarius | |
| Red-necked Phalarope | Phalaropus lobatus | |
| Spotted Sandpiper | Actitis macularius | |
| Wandering Tattler | Tringa incana | Rare/Accidental |
| Willet | Tringa semipalmata | |
| Greater Yellowlegs | Tringa melanoleuca | Near-threatened |
| Ruddy Turnstone | Arenaria interpres | Near-threatened |
| Black Turnstone | Arenaria melanocephala | |
| Surfbird | Calidris virgata | |
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| Long-tailed Jaeger | Stercorarius longicaudus | |
| Parasitic Jaeger | Stercorarius parasiticus | |
| Pomarine Jaeger | Stercorarius pomarinus | |
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| Rhinoceros Auklet | Cerorhinca monocerata | |
| Cassin's Auklet | Ptychoramphus aleuticus | Near-threatened |
| Common Murre | Uria aalge | Rare/Accidental |
| Ancient Murrelet | Synthliboramphus antiquus | Rare/Accidental |
| Scripps's Murrelet | Synthliboramphus scrippsi | Vulnerable |
| Craveri's Murrelet | Synthliboramphus craveri | Endemic (country/region) Vulnerable |
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| Black-legged Kittiwake | Rissa tridactyla | Rare/Accidental Vulnerable |
| Sabine's Gull | Xema sabini | |
| Bonaparte's Gull | Chroicocephalus philadelphia | |
| Heermann's Gull | Larus heermanni | Near-threatened |
| Short-billed Gull | Larus brachyrhynchus | |
| Ring-billed Gull | Larus delawarensis | |
| Western Gull | Larus occidentalis | |
| American Herring Gull | Larus smithsonianus | |
| California Gull | Larus californicus | |
| Glaucous-winged Gull | Larus glaucescens | |
| Iceland Gull | Larus glaucoides | Rare/Accidental |
| Least Tern | Sternula antillarum | |
| Caspian Tern | Hydroprogne caspia | |
| Black Tern | Chlidonias niger | |
| Forster's Tern | Sterna forsteri | |
| Arctic Tern | Sterna paradisaea | |
| Common Tern | Sterna hirundo | |
| Elegant Tern | Thalasseus elegans | Near-threatened |
| Royal Tern | Thalasseus maximus | |
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| Horned Grebe | Podiceps auritus | Vulnerable |
| Eared Grebe | Podiceps nigricollis | |
| Western Grebe | Aechmophorus occidentalis | |
| Clark's Grebe | Aechmophorus clarkii | |
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| Red-throated Loon | Gavia stellata | |
| Pacific Loon | Gavia pacifica | |
| Common Loon | Gavia immer | |
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| Black-footed Albatross | Phoebastria nigripes | Near-threatened |
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| Wilson's Storm-Petrel | Oceanites oceanicus | Rare/Accidental |
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| Leach's Storm-Petrel | Hydrobates leucorhous | Vulnerable |
| Ashy Storm-Petrel | Hydrobates homochroa | Endangered |
| Black Storm-Petrel | Hydrobates melania | |
| Least Storm-Petrel | Hydrobates microsoma | |
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| Northern Fulmar | Fulmarus glacialis | |
| Kermadec Petrel | Pterodroma neglecta | Rare/Accidental |
| Cook's Petrel | Pterodroma cookii | Vulnerable |
| Pink-footed Shearwater | Ardenna creatopus | Vulnerable |
| Sooty Shearwater | Ardenna grisea | Near-threatened |
| Short-tailed Shearwater | Ardenna tenuirostris | Rare/Accidental |
| Black-vented Shearwater | Puffinus opisthomelas | Endemic (country/region) Near-threatened |
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| Magnificent Frigatebird | Fregata magnificens | |
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| Red-footed Booby | Sula sula | Rare/Accidental |
| Cocos Booby | Sula brewsteri | |
| Nazca Booby | Sula granti | Rare/Accidental |
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| Brandt's Cormorant | Urile penicillatus | |
| Pelagic Cormorant | Urile pelagicus | |
| 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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| White-tailed Kite | Elanus leucurus | |
| Northern Harrier | Circus hudsonius | |
| Red-tailed Hawk | Buteo jamaicensis | |
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| American Barn Owl | Tyto furcata | |
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| Burrowing Owl | Athene cunicularia | |
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| Belted Kingfisher | Megaceryle alcyon | |
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| Northern Flicker | Colaptes auratus | Rare/Accidental |
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| American Kestrel | Falco sparverius | |
| Merlin | Falco columbarius | |
| Peregrine Falcon | Falco peregrinus | |
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| Olive-sided Flycatcher | Contopus cooperi | |
| Gray Flycatcher | Empidonax wrightii | |
| Western Flycatcher | Empidonax difficilis | |
| Black Phoebe | Sayornis nigricans | |
| Say's Phoebe | Sayornis saya | |
| Cassin's Kingbird | Tyrannus vociferans | |
| Western Kingbird | Tyrannus verticalis | |
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| Bell's Vireo | Vireo bellii | |
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| Common Raven | Corvus corax | |
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| Barn Swallow | Hirundo rustica | |
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| Ruby-crowned Kinglet | Corthylio calendula | |
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| Rock Wren | Salpinctes obsoletus | |
| Canyon Wren | Catherpes mexicanus | |
| Northern House Wren | Troglodytes aedon | |
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| European Starling | Sturnus vulgaris | Introduced species |
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| Sage Thrasher | Oreoscoptes montanus | Rare/Accidental |
| Northern Mockingbird | Mimus polyglottos | |
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| Hermit Thrush | Catharus guttatus | |
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| House Sparrow | Passer domesticus | Introduced species |
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| American Pipit | Anthus rubescens | |
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| House Finch | Haemorhous mexicanus | |
| Lesser Goldfinch | Spinus psaltria | |
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| Chipping Sparrow | Spizella passerina | |
| Lark Sparrow | Chondestes grammacus | |
| Dark-eyed Junco | Junco hyemalis | |
| White-crowned Sparrow | Zonotrichia leucophrys | |
| Golden-crowned Sparrow | Zonotrichia atricapilla | |
| Savannah Sparrow | Passerculus sandwichensis | |
| Song Sparrow | Melospiza melodia | |
| Lincoln's Sparrow | Melospiza lincolnii | |
| Spotted Towhee | Pipilo maculatus | |
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| Western Meadowlark | Sturnella neglecta | |
| Hooded Oriole | Icterus cucullatus | |
| Brown-headed Cowbird | Molothrus ater | |
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| Orange-crowned Warbler | Leiothlypis celata | |
| American Redstart | Setophaga ruticilla | Rare/Accidental |
| Northern Yellow Warbler | Setophaga aestiva | |
| Yellow-rumped Warbler | Setophaga coronata | |
| Black-throated Gray Warbler | Setophaga nigrescens | |
| Townsend's Warbler | Setophaga townsendi | |
| Hermit Warbler | Setophaga occidentalis | |
| Wilson's Warbler | Cardellina pusilla | |
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| Western Tanager | Piranga ludoviciana | |
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