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Bird Observations

			Date Range: Oct, 1900-2011

San Mateo

Updated ~40 hr(s) ago.

347 species (+34 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Ross's Goose
Greater White-fronted Goose
Brant
Cackling Goose
Canada Goose
Mute Swan
Tundra Swan
goose sp.
Wood Duck
Blue-winged Teal
Cinnamon Teal
Northern Shoveler
Gadwall
Eurasian Wigeon
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Wigeon
Mallard
Northern Pintail
Green-winged Teal
Canvasback
Redhead
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
eider sp.
Harlequin Duck
Surf Scoter
White-winged Scoter
Black Scoter
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Ruddy Duck
duck sp.
California Quail
Wild Turkey
Ring-necked Pheasant
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Rock Pigeon
Band-tailed Pigeon
Eurasian Collared-Dove
White-winged Dove
Mourning Dove
Common Poorwill
Chuck-will's-widow
Vaux's Swift
White-throated Swift
Anna's Hummingbird
Costa's Hummingbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rufous/Allen's Hummingbird
Broad-billed Hummingbird
hummingbird sp.
Ridgway's Rail
Virginia Rail
Sora
Common Gallinule
American Coot
Black Rail
Sandhill Crane
Black-necked Stilt
American Avocet
Black Oystercatcher
Black-bellied Plover
American Golden-Plover
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pacific Golden-Plover
American/Pacific Golden-Plover (Lesser 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
Wilson's Phalarope
Red Phalarope
Red-necked Phalarope
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red/Red-necked Phalarope
Spotted Sandpiper
Solitary Sandpiper
Wandering Tattler
Lesser Yellowlegs
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Ruddy Turnstone
Black Turnstone
Red Knot
Surfbird
Ruff
Sharp-tailed Sandpiper
Sanderling
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Dunlin
Rock Sandpiper
Baird's Sandpiper
Least Sandpiper
Pectoral Sandpiper
Western Sandpiper
peep sp.
Long-tailed Jaeger
Parasitic Jaeger
Pomarine Jaeger
South Polar Skua
jaeger sp.
Rhinoceros Auklet
Tufted Puffin
Cassin's Auklet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Marbled Murrelet
Pigeon Guillemot
Common Murre
Scripps's Murrelet
Guadalupe Murrelet
Scripps's/Guadalupe Murrelet (Xantus's Murrelet)
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
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Herring Gull
Glaucous Gull
California Gull
Glaucous-winged Gull
Western x Glaucous-winged Gull (hybrid)
Herring x Glaucous-winged Gull (hybrid)
Iceland Gull
Larus sp.
gull sp.
Black Skimmer
Caspian Tern
Forster's Tern
Arctic Tern
Common Tern
Elegant Tern
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Royal Tern
Red-throated Loon
Pacific Loon
Common Loon
loon sp.
Laysan Albatross
Black-footed Albatross
Short-tailed Albatross
Wilson's Storm-Petrel
Fork-tailed Storm-Petrel
Leach's Storm-Petrel
Ashy Storm-Petrel
Black Storm-Petrel
Northern Fulmar
White-chinned Petrel
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pink-footed Shearwater
Flesh-footed Shearwater
Buller's Shearwater
Sooty Shearwater
Short-tailed Shearwater
Black-vented Shearwater
black-and-white shearwater sp.
shearwater sp.
Brandt's Cormorant
Pelagic Cormorant
Double-crested Cormorant
cormorant sp.
American White Pelican
Brown Pelican
American Bittern
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Yellow-crowned Night Heron
Black-crowned Night Heron
Snowy Egret
Green Heron
Western Cattle Egret
Great Egret
Great Blue Heron
White-faced Ibis
Turkey Vulture
Osprey
White-tailed Kite
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sharp-shinned/Cooper's Hawk
Accipiter sp.
Bald Eagle
Red-shouldered Hawk
Broad-winged Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Buteo sp.
Barn Owl
Western Screech-Owl
Great Horned Owl
Northern Pygmy-Owl
Burrowing Owl
Long-eared 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
Red-naped Sapsucker
Red-breasted Sapsucker
Lewis's Woodpecker
Acorn Woodpecker
Downy Woodpecker
Nuttall's Woodpecker
Hairy Woodpecker
Downy/Hairy Woodpecker
Pileated Woodpecker
Northern Flicker
American Kestrel
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Merlin
Peregrine Falcon
Yellow-chevroned Parakeet
Olive-sided Flycatcher
Western Wood-Pewee
Willow Flycatcher
Least Flycatcher
Gray Flycatcher
Western Flycatcher
Empidonax sp.
Black Phoebe
Eastern Phoebe
Say's Phoebe
Ash-throated Flycatcher
Tropical Kingbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Kingbird
Scissor-tailed Flycatcher
Hutton's Vireo
Cassin's Vireo
Plumbeous Vireo
solitary vireo sp.
Philadelphia Vireo
Warbling Vireo
Red-eyed Vireo
Yellow-green Vireo
Loggerhead Shrike
Pinyon Jay
Steller's Jay
California Scrub-Jay
American Crow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Raven
Mountain Chickadee
Chestnut-backed Chickadee
Oak Titmouse
Horned Lark
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Bushtit
Wrentit
Ruby-crowned Kinglet
Golden-crowned Kinglet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
White-breasted Nuthatch
Pygmy Nuthatch
Red-breasted Nuthatch
Brown Creeper
Blue-gray Gnatcatcher
Rock Wren
House Wren
Pacific Wren
Sedge Wren
Marsh Wren
Bewick's Wren
wren sp.
American Dipper
European Starling
California Thrasher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sage Thrasher
Northern Mockingbird
Western Bluebird
Townsend's Solitaire
Varied Thrush
Swainson's Thrush
Hermit Thrush
American Robin
Bohemian Waxwing
Cedar Waxwing
House Sparrow
American Pipit
Evening Grosbeak
House Finch
Purple 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
Chipping Sparrow
Clay-colored Sparrow
Brewer's Sparrow
Black-throated Sparrow
Lark Sparrow
Lark Bunting
American Tree Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
White-throated Sparrow
Vesper Sparrow
Nelson's Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
California Towhee
Spotted Towhee
new world sparrow sp.
Yellow-breasted Chat
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Yellow-headed Blackbird
Bobolink
Western Meadowlark
Orchard Oriole
Bullock's Oriole
Baltimore Oriole
Red-winged Blackbird
Tricolored Blackbird
Brown-headed Cowbird
Rusty Blackbird
Brewer's Blackbird
Ovenbird
Northern Waterthrush
Black-and-white Warbler
Prothonotary Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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
Magnolia Warbler
Bay-breasted Warbler
Blackburnian Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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
Townsend's x Hermit Warbler (hybrid)
Black-throated Green Warbler
Canada Warbler
Wilson's Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Summer Tanager
Western Tanager
Rose-breasted Grosbeak
Black-headed Grosbeak
Lazuli Bunting
Dickcissel

KEY:| = insufficient data | = rare to widespread

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