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Bird Observations

			Date Range: Aug, 1900-2011

San Mateo

Updated ~35 hr(s) ago.

291 species (+37 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brant
Canada Goose
Mute Swan
Wood Duck
Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
Northern Pintail
Green-winged Teal
teal sp.
Canvasback
Redhead
Ring-necked Duck
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Harlequin Duck
Surf Scoter
White-winged Scoter
Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
merganser sp.
	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
Red-necked Grebe
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
White-winged Dove
Mourning Dove
Greater Roadrunner
Lesser Nighthawk
Common Poorwill
Black Swift
Chimney Swift
Vaux's Swift
White-throated Swift
Anna's Hummingbird
Rufous Hummingbird
Allen's Hummingbird
Rufous/Allen's Hummingbird
hummingbird sp.
Ridgway's Rail
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Virginia Rail
Sora
Common Gallinule
American Coot
Black Rail
Black-necked Stilt
American Avocet
Black Oystercatcher
Black-bellied Plover
American/Pacific Golden-Plover (Lesser Golden-Plover)
Killdeer
Semipalmated Plover
Snowy Plover
Whimbrel
Long-billed Curlew
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bar-tailed Godwit
Marbled Godwit
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Red Phalarope
Red-necked Phalarope
Red/Red-necked Phalarope
phalarope sp.
Spotted Sandpiper
Solitary Sandpiper
Wandering Tattler
Lesser Yellowlegs
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Ruddy Turnstone
Black Turnstone
Red Knot
Surfbird
Ruff
Sharp-tailed Sandpiper
Curlew Sandpiper
Buff-breasted Sandpiper
Sanderling
Dunlin
Baird's Sandpiper
Least Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pectoral Sandpiper
Western Sandpiper
Semipalmated Sandpiper
peep sp.
shorebird sp.
Long-tailed Jaeger
Parasitic Jaeger
Pomarine Jaeger
South Polar Skua
jaeger sp.
Rhinoceros Auklet
Tufted Puffin
Horned Puffin
Cassin's Auklet
Marbled Murrelet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pigeon Guillemot
Common Murre
Ancient Murrelet
Scripps's 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
Herring 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
Sterna sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Elegant Tern
tern sp.
Red-billed Tropicbird
tropicbird sp.
Red-throated Loon
Pacific Loon
Common Loon
loon sp.
Black-footed Albatross
Wilson's Storm-Petrel
Fork-tailed Storm-Petrel
Ashy Storm-Petrel
Black Storm-Petrel
storm-petrel sp.
Northern Fulmar
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cook's Petrel
Pink-footed Shearwater
Buller's Shearwater
Sooty Shearwater
Black-vented Shearwater
black-and-white shearwater sp.
shearwater sp.
Magnificent Frigatebird
Red-footed Booby
Masked Booby
Brandt's Cormorant
Pelagic Cormorant
Double-crested Cormorant
cormorant sp.
American White Pelican
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brown Pelican
American Bittern
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
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cooper's Hawk
Accipiter sp.
Red-shouldered Hawk
Swainson's Hawk
Red-tailed Hawk
Barn Owl
Western Screech-Owl
Great Horned Owl
Northern Pygmy-Owl
Burrowing Owl
Spotted Owl
Northern Saw-whet Owl
Belted Kingfisher
Acorn Woodpecker
Downy Woodpecker
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Nuttall's Woodpecker
Hairy Woodpecker
Pileated Woodpecker
Northern Flicker
American Kestrel
Merlin
Peregrine Falcon
Prairie Falcon
Budgerigar
Olive-sided Flycatcher
Western Wood-Pewee
Willow Flycatcher
Western Flycatcher
Empidonax sp.
Black Phoebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ash-throated Flycatcher
Western Kingbird
Hutton's Vireo
Cassin's Vireo
Warbling Vireo
Red-eyed Vireo
Loggerhead Shrike
Steller's Jay
California Scrub-Jay
American Crow
Common Raven
Chestnut-backed Chickadee
Oak Titmouse
Horned Lark
Bank Swallow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Tree Swallow
Violet-green Swallow
Tree/Violet-green Swallow
Purple Martin
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Bushtit
Wrentit
Ruby-crowned Kinglet
Golden-crowned Kinglet
White-breasted Nuthatch
Pygmy Nuthatch
Red-breasted Nuthatch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brown Creeper
Blue-gray Gnatcatcher
Rock Wren
House Wren
Pacific Wren
Marsh Wren
Bewick's Wren
European Starling
Gray Catbird
Brown Thrasher
California Thrasher
Northern Mockingbird
Western Bluebird
Varied Thrush
Swainson's Thrush
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Hermit Thrush
American Robin
Cedar Waxwing
Phainopepla
House Sparrow
House Finch
Purple Finch
Red Crossbill
Pine Siskin
Lesser Goldfinch
Lawrence's Goldfinch
American Goldfinch
Spinus sp.
Grasshopper Sparrow
Chipping Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lark Sparrow
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Bell's Sparrow
Vesper Sparrow
Savannah Sparrow
Song Sparrow
California Towhee
Rufous-crowned Sparrow
Spotted Towhee
new world sparrow sp.
Yellow-headed Blackbird
Western Meadowlark
Hooded Oriole
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bullock's Oriole
Red-winged Blackbird
Tricolored Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Great-tailed Grackle
blackbird sp.
Black-and-white Warbler
Prothonotary Warbler
Orange-crowned Warbler
MacGillivray's Warbler
Common Yellowthroat
Hooded Warbler
American Redstart
Yellow Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Yellow-rumped Warbler
Black-throated Gray Warbler
Townsend's Warbler
Hermit Warbler
Wilson's Warbler
new world warbler sp.
Summer Tanager
Western Tanager
Rose-breasted Grosbeak
Black-headed Grosbeak
Lazuli Bunting
Indigo Bunting
Dickcissel

KEY:| = insufficient data | = rare to widespread

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