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San Mateo County
California United States
262 Species
Ducks, Geese, and Waterfowl
Snow Goose
Greater White-fronted Goose
Brant
Canada Goose
Mute Swan
Blue-winged Teal
Cinnamon Teal
Northern Shoveler
Gadwall
Eurasian Wigeon
American Wigeon
Mallard
Northern Pintail
Green-winged Teal
Canvasback
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Surf Scoter
Black Scoter
Bufflehead
Common Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Ruddy Duck
New World Quail
California Quail
Pheasants, Grouse, and Allies
Wild Turkey
Ring-necked Pheasant
Pigeons and Doves
Rock Pigeon (Feral Pigeon)
Band-tailed Pigeon
Eurasian Collared-Dove
Mourning Dove
Swifts
White-throated Swift
Hummingbirds
Anna's Hummingbird
Allen's Hummingbird
Rails, Gallinules, and Coots
Ridgway's Rail
Virginia Rail
Sora
Common Gallinule
American Coot
American Coot (Red-shielded)
Stilts and Avocets
Black-necked Stilt
American Avocet
Oystercatchers
Black Oystercatcher
Plovers and Lapwings
Black-bellied Plover
Pacific Golden-Plover
Killdeer
Semipalmated Plover
Snowy Plover
Sandpipers and Allies
Hudsonian Whimbrel
Long-billed Curlew
Marbled Godwit
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Snipe
Red-necked Phalarope
Spotted Sandpiper
Wandering Tattler
Lesser Yellowlegs
Willet
Willet (Western)
Greater Yellowlegs
Ruddy Turnstone
Black Turnstone
Red Knot
Surfbird
Sanderling
Dunlin
Least Sandpiper
Pectoral Sandpiper
Western Sandpiper
peep sp.
Skuas and Jaegers
Parasitic Jaeger
Pomarine Jaeger
Parasitic/Pomarine Jaeger
South Polar Skua
jaeger sp.
Auks, Murres, and Puffins
Rhinoceros Auklet
Tufted Puffin
Cassin's Auklet
Marbled Murrelet
Pigeon Guillemot
Common Murre
Scripps's Murrelet
Gulls, Terns, and Skimmers
Little Gull
Ross's Gull
Sabine's Gull
Bonaparte's Gull
Heermann's Gull
Short-billed Gull
Ring-billed Gull
Western Gull
American Herring Gull
Glaucous Gull
California Gull
Glaucous-winged Gull
Iceland Gull
Iceland Gull (Thayer's)
Larus sp.
Black Skimmer
Least Tern
Caspian Tern
Forster's Tern
Common/Arctic Tern
Elegant Tern
Grebes
Pied-billed Grebe
Horned Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Loons
Red-throated Loon
Pacific Loon
Common Loon
Albatrosses
Laysan Albatross
Black-footed Albatross
Northern Storm-Petrels
Ashy Storm-Petrel
Black Storm-Petrel
Shearwaters and Petrels
Northern Fulmar
Cook's Petrel
Pink-footed Shearwater
Buller's Shearwater
Sooty Shearwater
Black-vented Shearwater
Boobies and Gannets
Northern Gannet
Cocos Booby
Cormorants and Shags
Brandt's Cormorant
Pelagic Cormorant
Double-crested Cormorant
Herons, Egrets, and Bitterns
Black-crowned Night Heron
Snowy Egret
Great Egret
Great Egret (American)
Great Blue Heron
Great Blue Heron (Great Blue)
Pelicans
American White Pelican
Brown Pelican
Brown Pelican (California)
New World Vultures
Turkey Vulture
Osprey
Osprey
Hawks, Eagles, and Kites
White-tailed Kite
Golden Eagle
Sharp-shinned Hawk
Cooper's Hawk
Northern Harrier
Red-shouldered Hawk
Red-tailed Hawk
Red-tailed Hawk (calurus/alascensis)
Barn-Owls
American Barn Owl
Owls
Western Screech-Owl
Great Horned Owl
Northern Pygmy-Owl
Northern Saw-whet Owl
Kingfishers
Belted Kingfisher
Woodpeckers
Red-breasted Sapsucker
Acorn Woodpecker
Downy Woodpecker
Nuttall's Woodpecker
Hairy Woodpecker
Northern Flicker
Falcons and Caracaras
American Kestrel
Merlin
Peregrine Falcon
Tyrant Flycatchers
Olive-sided Flycatcher
Western Wood-Pewee
Willow Flycatcher
Western Flycatcher
Western Flycatcher (Pacific-slope)
Black Phoebe
Say's Phoebe
Ash-throated Flycatcher
Vireos, Shrike-Babblers, and Erpornis
Hutton's Vireo
Philadelphia Vireo
Western Warbling Vireo
Shrikes
Loggerhead Shrike
Crows, Jays, and Magpies
Steller's Jay
California Scrub-Jay
American Crow
Common Raven
Tits, Chickadees, and Titmice
Chestnut-backed Chickadee
Oak Titmouse
Swallows
Bank Swallow
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
Barn Swallow (American)
Cliff Swallow
swallow sp.
Long-tailed Tits
Bushtit
Parrotbills
Wrentit
Kinglets
Ruby-crowned Kinglet
Golden-crowned Kinglet
Nuthatches
White-breasted Nuthatch
Pygmy Nuthatch
Red-breasted Nuthatch
Treecreepers
Brown Creeper
Gnatcatchers
Blue-gray Gnatcatcher
Wrens
Rock Wren
Pacific Wren
Marsh Wren
Bewick's Wren
Starlings
European Starling
Mockingbirds and Thrashers
California Thrasher
Northern Mockingbird
Thrushes and Allies
Western Bluebird
Varied Thrush
Swainson's Thrush
Hermit Thrush
American Robin
Waxwings
Cedar Waxwing
Old World Sparrows
House Sparrow
Wagtails and Pipits
American Pipit
Finches, Euphonias, and Allies
House Finch
Purple Finch
Cassin's Finch
Red Crossbill
Pine Siskin
Lesser Goldfinch
American Goldfinch
New World Sparrows
Chipping Sparrow
Clay-colored Sparrow
Lark Bunting
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
Harris's Sparrow
White-throated Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
California Towhee
Spotted Towhee
new world sparrow sp.
Yellow-breasted Chat
Yellow-breasted Chat
Troupials and Allies
Western Meadowlark
Red-winged Blackbird
Tricolored Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Great-tailed Grackle
New World Warblers
Orange-crowned Warbler
MacGillivray's Warbler
Common Yellowthroat
Northern Yellow Warbler
Black-throated Blue Warbler
Palm Warbler
Yellow-rumped Warbler
Yellow-rumped Warbler (Myrtle)
Black-throated Gray Warbler
Townsend's Warbler
Wilson's Warbler
new world warbler sp.
Cardinals and Allies
Western Tanager
Black-headed Grosbeak
Lazuli Bunting
123 Dates
72 Locations
