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Bird Observations

			Date Range: Oct, 1900-2024

Alcatraz Island

Updated ~33 hr(s) ago.

112 species (+9 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Canada Goose
Mallard
Surf Scoter
White-winged Scoter
Horned Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Rock Pigeon
Band-tailed Pigeon
Mourning Dove
Anna's Hummingbird
hummingbird sp.
American Coot
Black Oystercatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Killdeer
Whimbrel
Spotted Sandpiper
Wandering Tattler
Willet
Ruddy Turnstone
Black Turnstone
Surfbird
Parasitic Jaeger
Pigeon Guillemot
Common Murre
Heermann's Gull
Short-billed Gull
Ring-billed Gull
Western Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Herring Gull
California Gull
Glaucous-winged Gull
gull sp.
Caspian Tern
Forster's Tern
Elegant Tern
tern sp.
Pacific Loon
Brown Booby
Brandt's Cormorant
Pelagic Cormorant
Double-crested Cormorant
cormorant sp.
American White Pelican
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brown Pelican
Black-crowned Night Heron
Snowy Egret
Great Egret
Great Blue Heron
Turkey Vulture
Osprey
Sharp-shinned Hawk
Cooper's Hawk
Red-shouldered Hawk
Broad-winged Hawk
Red-tailed Hawk
Buteo sp.
Barn Owl
Burrowing Owl
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Belted Kingfisher
Acorn Woodpecker
Northern Flicker
American Kestrel
Merlin
Peregrine Falcon
Olive-sided Flycatcher
Western Wood-Pewee
Willow Flycatcher
Western Flycatcher
Black Phoebe
Say's Phoebe
Warbling Vireo
Steller's Jay
California Scrub-Jay
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Crow
Common Raven
Chestnut-backed Chickadee
Bushtit
Ruby-crowned Kinglet
Golden-crowned Kinglet
Red-breasted Nuthatch
House Wren
Pacific Wren
Marsh Wren
Bewick's Wren
wren sp.
European Starling
Northern Mockingbird
Hermit Thrush
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Robin
Cedar Waxwing
House Sparrow
House Finch
Purple Finch
Pine Siskin
Lesser Goldfinch
American Goldfinch
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
White-throated Sparrow
Savannah Sparrow
Song Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lincoln's Sparrow
California Towhee
Spotted Towhee
new world sparrow sp.
Western Meadowlark
Brewer's Blackbird
Orange-crowned Warbler
Nashville Warbler
Virginia's Warbler
Common Yellowthroat
Yellow Warbler
Yellow-rumped Warbler
Black-throated Gray Warbler
Townsend's Warbler
Wilson's Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
passerine sp.

KEY:| = insufficient data | = rare to widespread

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