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Bird Observations

			Date Range: Sep, 1900-2024

San Francisco Bay Trail--S 51st St.

Updated ~31 hr(s) ago.

130 species (+13 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Greater White-fronted Goose
Brant
Canada Goose
Northern Shoveler
Gadwall
American Wigeon
Mallard
Northern Pintail
Green-winged Teal
teal sp.
Canvasback
Greater Scaup
Greater/Lesser Scaup
Surf Scoter
Common Goldeneye
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Merganser
Ruddy Duck
Wild Turkey
Pied-billed Grebe
Horned Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Rock Pigeon
Eurasian Collared-Dove
Mourning Dove
Anna's Hummingbird
Ridgway's Rail
Virginia Rail
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Coot
Black-necked Stilt
American Avocet
Black Oystercatcher
Black-bellied Plover
Killdeer
Semipalmated Plover
Whimbrel
Long-billed Curlew
Marbled Godwit
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Phalarope
Red-necked Phalarope
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Spotted Sandpiper
Wandering Tattler
Lesser Yellowlegs
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Ruddy Turnstone
Black Turnstone
Red Knot
Surfbird
Sanderling
Dunlin
Least Sandpiper
Western Sandpiper
peep sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pigeon Guillemot
Common Murre
Short-billed Gull
Ring-billed Gull
Western Gull
Herring Gull
California Gull
Glaucous-winged Gull
Larus sp.
gull sp.
Caspian Tern
Forster's Tern
Elegant Tern
tern sp.
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
Great Egret
Great Blue Heron
Turkey Vulture
Osprey
White-tailed Kite
Sharp-shinned Hawk
Cooper's Hawk
Red-shouldered Hawk
Red-tailed Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Belted Kingfisher
Downy Woodpecker
Nuttall's Woodpecker
Downy/Hairy Woodpecker
Northern Flicker
American Kestrel
Peregrine Falcon
Willow Flycatcher
Western Flycatcher
Black Phoebe
Say's Phoebe
Western Kingbird
Warbling Vireo
California Scrub-Jay
American Crow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Raven
Chestnut-backed Chickadee
Oak Titmouse
Barn Swallow
swallow sp.
Bushtit
House Wren
Marsh Wren
Bewick's Wren
European Starling
Northern Mockingbird
Western Bluebird
American Robin
House Sparrow
American Pipit
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
House Finch
Lesser Goldfinch
American Goldfinch
Fox Sparrow
White-crowned Sparrow
Golden-crowned Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
California Towhee
Spotted Towhee
new world sparrow sp.
Western Meadowlark
Hooded Oriole
Red-winged Blackbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brewer's Blackbird
Orange-crowned Warbler
MacGillivray's Warbler
Common Yellowthroat
American Redstart
Yellow Warbler
Yellow-rumped Warbler
Wilson's Warbler

KEY:| = insufficient data | = rare to widespread

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