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Bird Observations

			Date Range: Jan, 1900-2011

San Mateo

Updated ~30 hr(s) ago.

278 species (+33 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Ross's Goose
Greater White-fronted Goose
Domestic goose sp. (Domestic type)
Brant
Cackling Goose
Canada Goose
Cackling/Canada Goose
Mute Swan
Tundra Swan
Wood Duck
Mandarin Duck
Blue-winged Teal
Cinnamon Teal
Northern Shoveler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Gadwall
Eurasian Wigeon
American Wigeon
Eurasian x American Wigeon (hybrid)
Mallard
Northern Pintail
Green-winged Teal
Canvasback
Redhead
Ring-necked Duck
Tufted Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Harlequin Duck
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Surf Scoter
White-winged Scoter
Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Barrow's Goldeneye
Common x Barrow's Goldeneye (hybrid)
Common/Barrow's Goldeneye
Smew
Hooded Merganser
Common Merganser
Red-breasted Merganser
Ruddy Duck
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
duck sp.
California Quail
Wild Turkey
Ring-necked Pheasant
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Horned/Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Rock Pigeon
Band-tailed Pigeon
Eurasian Collared-Dove
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Ground Dove
White-winged Dove
Mourning Dove
Common Poorwill
Vaux's Swift
White-throated Swift
Anna's Hummingbird
Allen's Hummingbird
Rufous/Allen's Hummingbird
hummingbird sp.
Ridgway's Rail
Virginia Rail
Sora
Common Gallinule
American Coot
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-necked Stilt
American Avocet
Black Oystercatcher
Black-bellied Plover
Pacific Golden-Plover
Killdeer
Semipalmated Plover
Snowy Plover
Whimbrel
Long-billed Curlew
Marbled Godwit
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Snipe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red Phalarope
Spotted Sandpiper
Wandering Tattler
Lesser Yellowlegs
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Ruddy Turnstone
Black Turnstone
Red Knot
Surfbird
Sanderling
Dunlin
Rock Sandpiper
Least Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Sandpiper
peep sp.
Parasitic Jaeger
Pomarine Jaeger
Rhinoceros Auklet
Cassin's Auklet
Marbled Murrelet
Common Murre
Ancient Murrelet
Black-legged Kittiwake
Bonaparte's Gull
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
Glaucous Gull
Herring x Glaucous Gull (hybrid)
California Gull
Glaucous-winged Gull
Western x Glaucous-winged Gull (hybrid)
Herring x Glaucous-winged Gull (hybrid)
Glaucous x Glaucous-winged Gull (hybrid)
Slaty-backed Gull
Iceland Gull
Larus sp.
gull sp.
Black Skimmer
Black Tern
Forster's Tern
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Elegant Tern
Red-throated Loon
Pacific Loon
Common Loon
loon sp.
Fork-tailed Storm-Petrel
Northern Fulmar
Sooty Shearwater
Short-tailed Shearwater
Black-vented Shearwater
Wood Stork
Brown Booby
Brandt's Cormorant
Pelagic Cormorant
Double-crested Cormorant
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
cormorant sp.
American White Pelican
Brown Pelican
American Bittern
Black-crowned Night Heron
Snowy Egret
Green Heron
Western Cattle Egret
Great Egret
Great Blue Heron
Turkey Vulture
Osprey
White-tailed Kite
Golden Eagle
Northern Harrier
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sharp-shinned Hawk
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
Accipiter sp.
Bald Eagle
Red-shouldered Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Barn Owl
Western Screech-Owl
Snowy Owl
Great Horned Owl
Northern Pygmy-Owl
Burrowing Owl
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Short-eared Owl
Northern Saw-whet Owl
Belted Kingfisher
Williamson's Sapsucker
Yellow-bellied Sapsucker
Red-breasted Sapsucker
sapsucker sp.
Lewis's Woodpecker
Acorn Woodpecker
Downy Woodpecker
Nuttall's Woodpecker
Hairy Woodpecker
Pileated Woodpecker
Northern Flicker
American Kestrel
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Merlin
Peregrine Falcon
Prairie Falcon
falcon sp.
Hammond's Flycatcher
Western Flycatcher
Empidonax sp.
Black Phoebe
Say's Phoebe
Tropical Kingbird
Thick-billed Kingbird
Hutton's Vireo
Loggerhead Shrike
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
Oak Titmouse
Horned Lark
Tree Swallow
Violet-green Swallow
Barn Swallow
swallow sp.
Bushtit
Wrentit
Ruby-crowned Kinglet
Golden-crowned Kinglet
White-breasted Nuthatch
Pygmy Nuthatch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red-breasted Nuthatch
Brown Creeper
Blue-gray Gnatcatcher
Canyon Wren
House Wren
Pacific Wren
Sedge Wren
Marsh Wren
Bewick's Wren
American Dipper
European Starling
Gray Catbird
Brown Thrasher
California Thrasher
Sage Thrasher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Northern Mockingbird
Western Bluebird
bluebird sp.
Townsend's Solitaire
Varied Thrush
Hermit Thrush
American Robin
Cedar Waxwing
Phainopepla
House Sparrow
American Pipit
Evening Grosbeak
House Finch
Purple Finch
Cassin's Finch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red Crossbill
Pine Siskin
Lesser Goldfinch
Lawrence's Goldfinch
American Goldfinch
new world goldfinch sp.
Lapland Longspur
Grasshopper Sparrow
American Tree Sparrow
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
Harris's Sparrow
White-throated Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Vesper Sparrow
Nelson's Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
California Towhee
Spotted Towhee
Yellow-headed Blackbird
Western Meadowlark
Bullock's Oriole
Red-winged Blackbird
Tricolored Blackbird
Brown-headed Cowbird
Rusty Blackbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brewer's Blackbird
blackbird sp.
Worm-eating Warbler
Northern Waterthrush
Black-and-white Warbler
Tennessee Warbler
Orange-crowned Warbler
Lucy's Warbler
Nashville Warbler
Common Yellowthroat
Hooded Warbler
American Redstart
Black-throated Blue Warbler
Palm Warbler
Yellow-rumped Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Prairie Warbler
Black-throated Gray Warbler
Townsend's Warbler
Hermit Warbler
Wilson's Warbler
Summer Tanager
Western Tanager
Rose-breasted Grosbeak
Black-headed Grosbeak
Indigo Bunting
passerine sp.

KEY:| = insufficient data | = rare to widespread

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