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Alcatraz Island
Bird List
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Native and Naturalized (178)
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Hybrids (2)
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescens
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens
Additional Taxa (35)
- Larus sp. Larus sp.
- crow/raven sp. Corvus sp.
- gull sp. Larinae sp.
- Mitred/Red-masked Parakeet Psittacara mitratus/erythrogenys
- passerine sp. Passeriformes sp.Details:
- pigeon/dove sp. Columbidae sp.
- House/Purple Finch Haemorhous mexicanus/purpureus
- goose sp. Anatidae (goose sp.)
- scoter sp. Melanitta sp.
- duck sp. Anatidae (duck sp.)
- swift sp. Apodidae sp.
- hummingbird sp. Trochilidae sp.
- Sooty/Short-tailed Shearwater Ardenna grisea/tenuirostris
- shearwater sp. Procellariidae sp. (shearwater sp.)
- new world goldfinch sp. Spinus sp. (goldfinch sp.)
- new world warbler sp. Parulidae sp.
- Greater/Lesser Scaup Aythya marila/affinis
- Western/Clark's Grebe Aechmophorus occidentalis/clarkii
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticus
- jaeger sp. Stercorarius sp. (jaeger sp.)
- tern sp. Sterninae sp.
- loon sp. Gavia sp.
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
- Buteo sp. Buteo sp.
- hawk sp. Accipitridae sp. (hawk sp.)
- falcon sp. Falco sp.
- Psittacara sp. Psittacara sp.
- large parakeet sp. (former Aratinga sp.) Eupsittula/Aratinga/Thectocercus/Psittacara sp.
- vireo sp. Vireo sp.
- Tree/Violet-green Swallow Tachycineta bicolor/thalassina
- swallow sp. Hirundinidae sp.
- wren sp. Troglodytidae sp.
- new world sparrow sp. Passerellidae sp.
- blackbird sp. Icteridae sp.
- cormorant sp. Phalacrocoracidae sp.