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Bird Observations

			Date Range: May, 1900-2024

San Francisco Bay Trail--S 51st St.

Updated ~28 hr(s) ago.

104 species (+9 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ross's Goose
Brant
Canada Goose
Northern Shoveler
Gadwall
Mallard
Green-winged Teal
Greater Scaup
Greater/Lesser Scaup
Surf Scoter
Bufflehead
Common Goldeneye
Ruddy Duck
duck sp.
Wild Turkey
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pied-billed Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Rock Pigeon
Eurasian Collared-Dove
Mourning Dove
White-throated Swift
Anna's Hummingbird
Ridgway's Rail
Virginia Rail
American Coot
Black-necked Stilt
American Avocet
Black Oystercatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-bellied Plover
Killdeer
Semipalmated Plover
Whimbrel
Long-billed Curlew
Marbled Godwit
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Red-necked Phalarope
Spotted Sandpiper
Willet
Greater Yellowlegs
Red Knot
Dunlin
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Least Sandpiper
Western Sandpiper
peep sp.
Common Murre
Bonaparte's Gull
Ring-billed Gull
Western Gull
California Gull
Glaucous-winged Gull
gull sp.
Caspian Tern
Forster's Tern
Red-throated Loon
Pacific Loon
Pelagic Cormorant
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Double-crested Cormorant
cormorant sp.
American White Pelican
Brown Pelican
Black-crowned Night Heron
Snowy Egret
Green Heron
Great Egret
Great Blue Heron
Turkey Vulture
Osprey
White-tailed Kite
Northern Harrier
Cooper's Hawk
Red-shouldered Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red-tailed Hawk
Nuttall's Woodpecker
Peregrine Falcon
Black Phoebe
Western Kingbird
California Scrub-Jay
American Crow
Common Raven
Chestnut-backed Chickadee
Oak Titmouse
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
swallow sp.
Bushtit
Marsh Wren
European Starling
Northern Mockingbird
Western Bluebird
American Robin
Cedar Waxwing
House Sparrow
House Finch
Lesser Goldfinch
American Goldfinch
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Song Sparrow
California Towhee
new world sparrow sp.
Red-winged Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Orange-crowned Warbler
Common Yellowthroat

KEY:| = insufficient data | = rare to widespread

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