Avibase bird checklist - Isla San Lorenzo Sur

Avibase - Bird Checklists of the World

Isla San Lorenzo Sur

This checklist includes all bird species found in Isla San Lorenzo Sur , 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.

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Country or region: Isla San Lorenzo Sur [map]

Number of species: 34
Number of globally threatened species: 2
Date last reviewed: 2024-12-24
Last modified: 2025-10-12

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CHARADRIIFORMES: Haematopodidae
American Oystercatcher	Haematopus palliatus
CHARADRIIFORMES: Charadriidae
Killdeer	Charadrius vociferus	Near-threatened
CHARADRIIFORMES: Scolopacidae
Red-necked Phalarope	Phalaropus lobatus
Spotted Sandpiper	Actitis macularius
Willet	Tringa semipalmata
Least Sandpiper	Calidris minutilla	Near-threatened
CHARADRIIFORMES: Alcidae
Craveri's Murrelet	Synthliboramphus craveri	Endemic (country/region) Vulnerable
CHARADRIIFORMES: Laridae
Sabine's Gull	Xema sabini
Laughing Gull	Leucophaeus atricilla
Heermann's Gull	Larus heermanni	Near-threatened
Yellow-footed Gull	Larus livens	Endemic (country/region)
Black Tern	Chlidonias niger
Elegant Tern	Thalasseus elegans	Near-threatened
Royal Tern	Thalasseus maximus
PODICIPEDIFORMES: Podicipedidae
Eared Grebe	Podiceps nigricollis
GAVIIFORMES: Gaviidae
Pacific Loon	Gavia pacifica
PROCELLARIIFORMES: Hydrobatidae
Black Storm-Petrel	Hydrobates melania
Least Storm-Petrel	Hydrobates microsoma
PROCELLARIIFORMES: Procellariidae
Pink-footed Shearwater	Ardenna creatopus	Vulnerable
Black-vented Shearwater	Puffinus opisthomelas	Endemic (country/region) Near-threatened
SULIFORMES: Fregatidae
Magnificent Frigatebird	Fregata magnificens
SULIFORMES: Sulidae
Cocos Booby	Sula brewsteri
Blue-footed Booby	Sula nebouxii
SULIFORMES: Phalacrocoracidae
Brandt's Cormorant	Urile penicillatus
PELECANIFORMES: Ardeidae
Great Blue Heron	Ardea herodias
PELECANIFORMES: Pelecanidae
Brown Pelican	Pelecanus occidentalis
CATHARTIFORMES: Cathartidae
Turkey Vulture	Cathartes aura
ACCIPITRIFORMES: Pandionidae
Osprey	Pandion haliaetus
ACCIPITRIFORMES: Accipitridae
Golden Eagle	Aquila chrysaetos
PASSERIFORMES: Tyrannidae
Ash-throated Flycatcher	Myiarchus cinerascens
PASSERIFORMES: Laniidae
Loggerhead Shrike	Lanius ludovicianus	Near-threatened
PASSERIFORMES: Corvidae
Common Raven	Corvus corax
PASSERIFORMES: Remizidae
Verdin	Auriparus flaviceps
PASSERIFORMES: Troglodytidae
Rock Wren	Salpinctes obsoletus
PASSERIFORMES: Fringillidae
House Finch	Haemorhous mexicanus
PASSERIFORMES: Passerellidae
Chipping Sparrow	Spizella passerina
Lark Sparrow	Chondestes grammacus
White-crowned Sparrow	Zonotrichia leucophrys

References (partial list)