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Bird Observations

			Date Range: Sep, 1900-2011

San Mateo

Updated ~24 hr(s) ago.

336 species (+35 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Greater White-fronted Goose
Brant
Canada Goose
Mute Swan
Wood Duck
Blue-winged Teal
Cinnamon Teal
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Eurasian x American Wigeon (hybrid)
Mallard
Northern Pintail
Green-winged Teal
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Canvasback
Redhead
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Harlequin Duck
Surf Scoter
White-winged Scoter
Black Scoter
Bufflehead
Common Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ruddy Duck
duck sp.
California Quail
Wild Turkey
Ring-necked Pheasant
Pied-billed Grebe
Horned 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
Mourning Dove
Yellow-billed Cuckoo
Common Poorwill
Black Swift
Chimney Swift
Vaux's Swift
White-throated Swift
Anna's Hummingbird
Rufous Hummingbird
Rufous/Allen's Hummingbird
hummingbird sp.
Ridgway's Rail
Virginia Rail
Sora
Common Gallinule
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Coot
Black-necked Stilt
American Avocet
Black Oystercatcher
Black-bellied Plover
American Golden-Plover
Pacific Golden-Plover
American/Pacific Golden-Plover (Lesser Golden-Plover)
Killdeer
Semipalmated Plover
Snowy Plover
Whimbrel
Long-billed Curlew
Bar-tailed Godwit
Marbled Godwit
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Red Phalarope
Red-necked Phalarope
phalarope sp.
Spotted Sandpiper
Solitary Sandpiper
Wandering Tattler
Lesser Yellowlegs
Willet
Greater Yellowlegs
Ruddy Turnstone
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black Turnstone
Red Knot
Surfbird
Ruff
Sharp-tailed Sandpiper
Curlew Sandpiper
Stilt Sandpiper
Buff-breasted Sandpiper
Sanderling
Dunlin
Baird's Sandpiper
Least Sandpiper
Pectoral Sandpiper
Western Sandpiper
Semipalmated Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
peep sp.
Calidris sp.
Long-tailed Jaeger
Parasitic Jaeger
Pomarine Jaeger
South Polar Skua
jaeger sp.
Rhinoceros Auklet
Tufted Puffin
Cassin's Auklet
Marbled Murrelet
Pigeon Guillemot
Common Murre
Ancient Murrelet
Scripps's Murrelet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Guadalupe Murrelet
Scripps's/Guadalupe Murrelet (Xantus's Murrelet)
Craveri's Murrelet
Scripps's/Craveri's Murrelet
Scripps's/Guadalupe/Craveri's Murrelet
Black-legged Kittiwake
Sabine's Gull
Bonaparte's Gull
Franklin's Gull
Heermann's Gull
Short-billed Gull
Ring-billed Gull
Western Gull
Herring Gull
Glaucous Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
California Gull
Glaucous-winged Gull
Western x Glaucous-winged Gull (hybrid)
Iceland Gull
Larus sp.
gull sp.
Black Skimmer
Least Tern
Caspian Tern
Black Tern
Forster's Tern
Arctic Tern
Common Tern
Common/Arctic Tern
Elegant Tern
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red-throated Loon
Pacific Loon
Common Loon
loon sp.
Laysan Albatross
Black-footed Albatross
Wilson's Storm-Petrel
Fork-tailed Storm-Petrel
Leach's Storm-Petrel
Ashy Storm-Petrel
Black Storm-Petrel
storm-petrel sp.
Northern Fulmar
Pink-footed Shearwater
Flesh-footed Shearwater
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Buller's Shearwater
Sooty Shearwater
Manx Shearwater
Black-vented Shearwater
Brandt's Cormorant
Pelagic Cormorant
Double-crested Cormorant
cormorant sp.
American White Pelican
Brown Pelican
American Bittern
Least Bittern
Yellow-crowned Night Heron
Black-crowned Night Heron
Snowy Egret
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Green Heron
Great Egret
Great Blue Heron
White-faced Ibis
Turkey Vulture
Osprey
White-tailed Kite
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
Accipiter sp.
Red-shouldered Hawk
Broad-winged Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Swainson's Hawk
Red-tailed Hawk
Barn Owl
Western Screech-Owl
Great Horned Owl
Northern Pygmy-Owl
Burrowing Owl
Long-eared Owl
Northern Saw-whet Owl
Belted Kingfisher
Red-breasted Sapsucker
Lewis's Woodpecker
Acorn Woodpecker
Downy Woodpecker
Nuttall's Woodpecker
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Hairy Woodpecker
Downy/Hairy Woodpecker
Pileated Woodpecker
Northern Flicker
American Kestrel
Merlin
Peregrine Falcon
Olive-sided Flycatcher
Western Wood-Pewee
Willow Flycatcher
Least Flycatcher
Hammond's Flycatcher
Gray Flycatcher
Dusky Flycatcher
Western Flycatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black Phoebe
Say's Phoebe
Ash-throated Flycatcher
Sulphur-bellied Flycatcher
Tropical Kingbird
Western Kingbird
Eastern Kingbird
Scissor-tailed Flycatcher
Hutton's Vireo
Cassin's Vireo
Plumbeous Vireo
solitary vireo sp.
Philadelphia Vireo
Warbling Vireo
Red-eyed Vireo
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Yellow-green Vireo
Loggerhead Shrike
Steller's Jay
California Scrub-Jay
American Crow
Common Raven
Chestnut-backed Chickadee
Oak Titmouse
Horned Lark
Bank Swallow
Tree Swallow
Violet-green Swallow
Tree/Violet-green Swallow
Purple Martin
Northern Rough-winged Swallow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Barn Swallow
Cliff Swallow
swallow sp.
Bushtit
Wrentit
Ruby-crowned Kinglet
Golden-crowned Kinglet
White-breasted Nuthatch
Pygmy Nuthatch
Red-breasted Nuthatch
Brown Creeper
Blue-gray Gnatcatcher
Rock Wren
House Wren
Pacific Wren
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Marsh Wren
Bewick's Wren
American Dipper
European Starling
Gray Catbird
California Thrasher
Northern Mockingbird
Western Bluebird
Varied Thrush
Swainson's Thrush
Hermit Thrush
American Robin
Cedar Waxwing
Northern Red Bishop
House Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Pipit
House Finch
Purple Finch
Red Crossbill
Pine Siskin
Lesser Goldfinch
Lawrence's Goldfinch
American Goldfinch
new world goldfinch sp.
Lapland Longspur
Grasshopper Sparrow
Chipping Sparrow
Clay-colored Sparrow
Brewer's Sparrow
Spizella sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-throated Sparrow
Lark Sparrow
Lark Bunting
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
White-throated Sparrow
Bell's Sparrow
Vesper Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
California Towhee
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Spotted Towhee
Yellow-breasted Chat
Yellow-headed Blackbird
Bobolink
Western Meadowlark
Orchard Oriole
Hooded Oriole
Bullock's Oriole
Red-winged Blackbird
Tricolored Blackbird
Brown-headed Cowbird
Brewer's Blackbird
blackbird sp.
Ovenbird
Northern Waterthrush
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Golden-winged Warbler
Black-and-white Warbler
Prothonotary Warbler
Tennessee Warbler
Orange-crowned Warbler
Lucy's Warbler
Nashville Warbler
Virginia's Warbler
Connecticut Warbler
MacGillivray's Warbler
Common Yellowthroat
Hooded Warbler
American Redstart
Cape May Warbler
Northern Parula
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Magnolia Warbler
Blackburnian Warbler
Yellow Warbler
Chestnut-sided Warbler
Blackpoll Warbler
Black-throated Blue Warbler
Palm Warbler
Yellow-rumped Warbler
Yellow-throated Warbler
Prairie Warbler
Black-throated Gray Warbler
Townsend's Warbler
Hermit Warbler
Black-throated Green Warbler
Canada Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Wilson's Warbler
new world warbler sp.
Summer Tanager
Western Tanager
Rose-breasted Grosbeak
Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting
Indigo Bunting
Lazuli/Indigo Bunting
Dickcissel

KEY:| = insufficient data | = rare to widespread

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