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Bird Observations

			Date Range: Jul, 1900-2021

San Mateo

Updated ~31 hr(s) ago.

306 species (+66 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Graylag Goose
Domestic goose sp. (Domestic type)
Brant
Cackling Goose
Canada Goose
Mute Swan
Muscovy Duck
Wood Duck
Blue-winged Teal
Cinnamon Teal
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mallard
Northern Pintail
Green-winged Teal
Canvasback
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Harlequin Duck
Surf Scoter
White-winged Scoter
Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Ruddy Duck
duck sp.
California Quail
Wild Turkey
Ring-necked Pheasant
Indian Peafowl
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Horned/Eared Grebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Grebe
Clark's Grebe
Western/Clark's Grebe
grebe sp.
Rock Pigeon
Band-tailed Pigeon
Eurasian Collared-Dove
White-winged Dove
Mourning Dove
pigeon/dove sp.
Common Poorwill
Black Swift
Vaux's Swift
White-throated Swift
large swift sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Anna's Hummingbird
Costa's Hummingbird
Rufous Hummingbird
Allen's Hummingbird
Rufous/Allen's Hummingbird
hummingbird sp.
Ridgway's Rail
Virginia Rail
Sora
Common Gallinule
American Coot
Black Rail
Black-necked Stilt
American Avocet
Black Oystercatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-bellied Plover
American Golden-Plover
Pacific Golden-Plover
Black-bellied Plover/golden-plover sp.
Killdeer
Semipalmated Plover
Snowy Plover
Whimbrel
Long-billed Curlew
Marbled Godwit
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Phalarope
Red Phalarope
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red-necked Phalarope
Red/Red-necked Phalarope
phalarope sp.
Spotted Sandpiper
Wandering Tattler
Lesser Yellowlegs
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Ruddy Turnstone
Black Turnstone
Red Knot
Surfbird
Sanderling
Dunlin
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Baird's Sandpiper
Least Sandpiper
Pectoral Sandpiper
Western Sandpiper
Semipalmated Sandpiper
peep sp.
Calidris sp.
shorebird sp.
Long-tailed Jaeger
Parasitic Jaeger
Long-tailed/Parasitic Jaeger
Pomarine Jaeger
Parasitic/Pomarine Jaeger
South Polar Skua
jaeger sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rhinoceros Auklet
Tufted Puffin
Horned Puffin
Cassin's Auklet
Marbled Murrelet
Pigeon Guillemot
Common Murre
Ancient Murrelet
Scripps's Murrelet
Craveri's Murrelet
Scripps's/Craveri's Murrelet
Scripps's/Guadalupe/Craveri's Murrelet
murrelet sp.
alcid sp.
Black-legged Kittiwake
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sabine's Gull
Bonaparte's Gull
Laughing Gull
Franklin's Gull
Heermann's Gull
Ring-billed Gull
Western Gull
Herring Gull
Lesser Black-backed Gull
California Gull
Glaucous-winged Gull
Western x Glaucous-winged Gull (hybrid)
Larus sp.
gull sp.
Black Skimmer
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Least Tern
Caspian Tern
Black Tern
Forster's Tern
Arctic Tern
Common Tern
Common/Arctic Tern
Sterna sp.
Elegant Tern
Royal Tern
tern sp.
Red-throated Loon
Pacific Loon
Common Loon
loon sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Laysan Albatross
Black-footed Albatross
Salvin's Albatross
albatross sp.
Wilson's Storm-Petrel
Fork-tailed Storm-Petrel
Leach's Storm-Petrel
Ashy Storm-Petrel
Black Storm-Petrel
Northern Fulmar
Cook's Petrel
Pink-footed Shearwater
Flesh-footed Shearwater
Great Shearwater
Wedge-tailed Shearwater
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Buller's Shearwater
Sooty Shearwater
Sooty/Short-tailed Shearwater
Manx Shearwater
Black-vented Shearwater
black-and-white shearwater sp.
shearwater sp.
Northern Gannet
Brown 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
Yellow-crowned Night Heron
Black-crowned Night Heron
Little Blue Heron
Snowy Egret
Green Heron
Western Cattle Egret
Great Egret
Great Blue Heron
white egret sp.
Turkey Vulture
Osprey
White-tailed Kite
Golden Eagle
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
Accipiter sp.
Bald Eagle
Red-shouldered Hawk
Swainson's Hawk
Red-tailed Hawk
Buteo sp.
hawk sp.
Barn Owl
Western Screech-Owl
Great Horned Owl
Northern Pygmy-Owl
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Burrowing Owl
Short-eared Owl
Northern Saw-whet Owl
Belted Kingfisher
Red-breasted Sapsucker
Acorn Woodpecker
Downy Woodpecker
Nuttall's Woodpecker
Hairy Woodpecker
Downy/Hairy Woodpecker
Pileated Woodpecker
Northern Flicker
woodpecker sp.
American Kestrel
Peregrine Falcon
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
diurnal raptor sp.
Red-masked Parakeet
Olive-sided Flycatcher
Western Wood-Pewee
pewee sp. (Contopus sp.)
Willow Flycatcher
Western Flycatcher
Black Phoebe
Say's Phoebe
Ash-throated Flycatcher
Western Kingbird
Eastern Kingbird
Scissor-tailed Flycatcher
Tyrannus sp.
Hutton's Vireo
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cassin's Vireo
Warbling Vireo
Red-eyed Vireo
Loggerhead Shrike
Steller's Jay
California Scrub-Jay
American Crow
crow sp.
Common Raven
crow/raven sp.
Chestnut-backed Chickadee
Oak Titmouse
Horned Lark
Bank Swallow
Tree Swallow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Violet-green Swallow
Tree/Violet-green Swallow
Purple Martin
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Bushtit
Wrentit
Golden-crowned Kinglet
White-breasted Nuthatch
Pygmy Nuthatch
Red-breasted Nuthatch
nuthatch sp.
Brown Creeper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Blue-gray Gnatcatcher
Rock Wren
House Wren
Pacific Wren
Marsh Wren
Bewick's Wren
wren sp.
American Dipper
European Starling
Gray Catbird
Brown Thrasher
California Thrasher
Northern Mockingbird
Western Bluebird
Varied Thrush
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Swainson's Thrush
Hermit Thrush
American Robin
Cedar Waxwing
Phainopepla
Northern Red Bishop
Pin-tailed Whydah
House Sparrow
House Finch
Purple Finch
Red Crossbill
Pine Siskin
Lesser Goldfinch
Lawrence's Goldfinch
American Goldfinch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
new world goldfinch sp.
Spinus sp.
Grasshopper Sparrow
Chipping Sparrow
Black-chinned Sparrow
Lark Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
Bell's Sparrow
Savannah Sparrow
Song Sparrow
California Towhee
Rufous-crowned Sparrow
Spotted Towhee
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
new world sparrow sp.
Yellow-breasted Chat
Yellow-headed Blackbird
Bobolink
Western Meadowlark
Hooded Oriole
Bullock's Oriole
Red-winged Blackbird
Tricolored Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Great-tailed Grackle
blackbird sp.
Ovenbird
Black-and-white Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Orange-crowned Warbler
MacGillivray's Warbler
Common Yellowthroat
Hooded Warbler
American Redstart
Northern Parula
Magnolia Warbler
Yellow Warbler
Blackpoll Warbler
Yellow-rumped Warbler
Black-throated Gray Warbler
Hermit Warbler
Wilson's Warbler
new world warbler sp.
Summer Tanager
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Tanager
tanager sp. (Piranga sp.)
Rose-breasted Grosbeak
Black-headed Grosbeak
Rose-breasted x Black-headed Grosbeak (hybrid)
Rose-breasted/Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting
Indigo Bunting
Lazuli/Indigo Bunting
passerine sp.
bird sp.

KEY:| = insufficient data | = rare to widespread

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