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Bird Observations

			Date Range: Oct, 1900-2024

San Francisco Bay Trail--S 51st St.

Updated ~26 hr(s) ago.

142 species (+12 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Greater White-fronted Goose
Brant
Cackling Goose
Canada Goose
Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
Northern Pintail
Green-winged Teal
Canvasback
Greater Scaup
Lesser Scaup
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Greater/Lesser Scaup
Surf Scoter
Bufflehead
Common Goldeneye
Hooded Merganser
Ruddy Duck
duck sp.
Wild Turkey
Pied-billed Grebe
Horned Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Rock Pigeon
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Band-tailed Pigeon
Eurasian Collared-Dove
Mourning Dove
White-throated Swift
Anna's Hummingbird
Ridgway's Rail
Virginia Rail
Sora
American Coot
Black-necked Stilt
American Avocet
Black Oystercatcher
Black-bellied Plover
Pacific Golden-Plover
Killdeer
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Semipalmated Plover
Whimbrel
Long-billed Curlew
Marbled Godwit
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Snipe
Spotted Sandpiper
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Black Turnstone
Sanderling
Dunlin
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Least Sandpiper
Western Sandpiper
peep sp.
shorebird sp.
Bonaparte's Gull
Short-billed Gull
Ring-billed Gull
Western Gull
Herring Gull
California Gull
Glaucous-winged Gull
Iceland Gull
Larus sp.
gull sp.
Forster's Tern
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Elegant Tern
Red-throated Loon
Pacific Loon
Common Loon
Brandt's Cormorant
Pelagic Cormorant
Double-crested Cormorant
cormorant sp.
American White Pelican
Brown Pelican
Black-crowned Night Heron
Snowy Egret
Green Heron
Great Egret
Great Blue Heron
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Turkey Vulture
Osprey
White-tailed Kite
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Red-shouldered Hawk
Red-tailed Hawk
Burrowing Owl
Belted Kingfisher
Downy Woodpecker
Nuttall's Woodpecker
Northern Flicker
American Kestrel
Merlin
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Peregrine Falcon
Black Phoebe
Say's Phoebe
Tropical Kingbird
Hutton's Vireo
Steller's Jay
California Scrub-Jay
American Crow
Common Raven
Chestnut-backed Chickadee
Oak Titmouse
Horned Lark
Tree Swallow
Bushtit
Ruby-crowned Kinglet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
House Wren
Marsh Wren
Bewick's Wren
European Starling
Northern Mockingbird
Western Bluebird
Hermit Thrush
American Robin
House Sparrow
American Pipit
House Finch
Purple Finch
Lesser Goldfinch
Lawrence's Goldfinch
American Goldfinch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lapland Longspur
Fox Sparrow
White-crowned Sparrow
Golden-crowned Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
California Towhee
Spotted Towhee
Western Meadowlark
Red-winged Blackbird
Brewer's Blackbird
blackbird sp.
Orange-crowned Warbler
Common Yellowthroat
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Yellow Warbler
Palm Warbler
Yellow-rumped Warbler
passerine sp.

KEY:| = insufficient data | = rare to widespread

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