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Bird Observations

			Date Range: Jan-Dec, 2020-2020

San Mateo

Updated ~40 hr(s) ago.

339 species (+80 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Emperor Goose
Snow Goose
Graylag Goose
Graylag x Swan Goose (hybrid)
Greater White-fronted Goose
Brant
Cackling Goose
Canada Goose
Mute Swan
Tundra Swan
goose sp.
Muscovy Duck
Wood Duck
Mandarin Duck
Blue-winged Teal
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cinnamon Teal
Northern Shoveler
Blue-winged Teal x Northern Shoveler (hybrid)
Gadwall
Eurasian Wigeon
American Wigeon
Eurasian/American Wigeon
Mallard
Northern Pintail
Green-winged Teal
Canvasback
Redhead
Ring-necked Duck
Tufted Duck
Greater Scaup
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lesser Scaup
Tufted Duck x scaup sp. (hybrid)
Greater/Lesser Scaup
Harlequin Duck
Surf Scoter
White-winged Scoter
Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Barrow's Goldeneye
Common/Barrow's Goldeneye
Hooded Merganser
Common Merganser
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red-breasted Merganser
merganser sp.
Ruddy Duck
duck sp.
California Quail
Wild Turkey
Red Junglefowl
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Horned/Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
grebe sp.
Rock Pigeon
Band-tailed Pigeon
Eurasian Collared-Dove
Mourning Dove
pigeon/dove sp.
nighthawk sp.
Eastern/Mexican Whip-poor-will
Black Swift
Vaux's Swift
White-throated Swift
large swift sp.
Anna's Hummingbird
Costa's Hummingbird
Rufous Hummingbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Allen's Hummingbird
Rufous/Allen's Hummingbird
Selasphorus sp.
Broad-billed Hummingbird
hummingbird sp.
Ridgway's Rail
Virginia Rail
Sora
Common Gallinule
American Coot
Sandhill Crane
Black-necked Stilt
American Avocet
Black Oystercatcher
Black-bellied Plover
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pacific Golden-Plover
Killdeer
Semipalmated Plover
Snowy Plover
Whimbrel
Long-billed Curlew
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
	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
Sanderling
Dunlin
Baird's Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Least Sandpiper
Pectoral Sandpiper
Western Sandpiper
peep sp.
Calidris sp.
large shorebird sp.
shorebird sp.
Long-tailed Jaeger
Parasitic Jaeger
Long-tailed/Parasitic Jaeger
Pomarine Jaeger
Parasitic/Pomarine Jaeger
South Polar Skua
jaeger sp.
Rhinoceros Auklet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Tufted Puffin
Cassin's Auklet
Marbled Murrelet
Pigeon Guillemot
Common Murre
Ancient Murrelet
murrelet sp.
alcid sp.
Black-legged Kittiwake
Sabine's Gull
Bonaparte's Gull
Laughing Gull
Franklin's Gull
Heermann's Gull
Short-billed Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ring-billed Gull
Western Gull
Herring Gull
Glaucous Gull
Herring x Glaucous Gull (hybrid)
Lesser Black-backed Gull
Herring/Lesser Black-backed Gull
California Gull
Glaucous-winged Gull
Western x Glaucous-winged Gull (hybrid)
Herring x Glaucous-winged Gull (hybrid)
Glaucous x Glaucous-winged Gull (hybrid)
Western/Glaucous-winged Gull
Slaty-backed Gull
Iceland Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Larus sp.
gull sp.
Black Skimmer
Least Tern
Caspian Tern
Forster's Tern
Sterna sp.
Elegant Tern
Royal Tern
tern sp.
Red-throated Loon
Pacific Loon
Common Loon
loon sp.
Laysan Albatross
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-footed Albatross
Wilson's Storm-Petrel
Fork-tailed Storm-Petrel
Ashy Storm-Petrel
Black Storm-Petrel
storm-petrel sp.
Northern Fulmar
Streaked Shearwater
Pink-footed Shearwater
Flesh-footed Shearwater
Buller's Shearwater
Sooty Shearwater
Short-tailed Shearwater
Sooty/Short-tailed Shearwater
Black-vented Shearwater
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
black-and-white shearwater sp.
shearwater sp.
Northern Gannet
Brown Booby
Masked Booby
Nazca Booby
Brandt's Cormorant
Pelagic Cormorant
Double-crested Cormorant
cormorant sp.
American White Pelican
Brown Pelican
Black-crowned Night Heron
Snowy Egret
Green Heron
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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.
Bald Eagle
Red-shouldered Hawk
Broad-winged Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Swainson's Hawk
Red-tailed Hawk
Rough-legged Hawk
Red-tailed x Rough-legged Hawk (hybrid)
Ferruginous Hawk
Buteo sp.
hawk sp.
Barn Owl
Western Screech-Owl
Great Horned Owl
Northern Pygmy-Owl
Burrowing Owl
Short-eared Owl
Northern Saw-whet Owl
Belted Kingfisher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Yellow-bellied Sapsucker
Red-naped Sapsucker
Red-breasted Sapsucker
Red-naped x Red-breasted Sapsucker (hybrid)
Red-naped/Red-breasted Sapsucker
sapsucker sp.
Acorn Woodpecker
Downy Woodpecker
Nuttall's Woodpecker
Hairy Woodpecker
Downy/Hairy Woodpecker
Pileated Woodpecker
Northern Flicker
woodpecker sp.
American Kestrel
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Merlin
Peregrine Falcon
diurnal raptor sp.
Mitred Parakeet
Red-masked Parakeet
Olive-sided Flycatcher
Western Wood-Pewee
Willow Flycatcher
Dusky Flycatcher
Western Flycatcher
Empidonax sp.
Black Phoebe
Say's Phoebe
phoebe sp.
Vermilion Flycatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Dusky-capped Flycatcher
Ash-throated Flycatcher
Tropical Kingbird
Cassin's Kingbird
Western Kingbird
Eastern Kingbird
Hutton's Vireo
Cassin's Vireo
solitary vireo sp.
Warbling Vireo
Yellow-green Vireo
Loggerhead Shrike
Steller's Jay
California Scrub-Jay
American Crow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Raven
crow/raven sp.
Chestnut-backed Chickadee
Oak Titmouse
Horned Lark
Bank Swallow
Tree Swallow
Violet-green Swallow
Tree/Violet-green Swallow
Purple Martin
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Bushtit
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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
Marsh Wren
Bewick's Wren
wren sp.
European Starling
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Gray Catbird
California Thrasher
Sage Thrasher
Northern Mockingbird
Western Bluebird
Varied Thrush
Swainson's Thrush
Hermit Thrush
American Robin
Cedar Waxwing
Village Weaver
Scaly-breasted Munia
Lonchura sp.
House Sparrow
White Wagtail
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Pipit
pipit sp.
Evening Grosbeak
House Finch
Purple Finch
Red Crossbill
Pine Siskin
Lesser Goldfinch
Lawrence's Goldfinch
American Goldfinch
new world goldfinch sp.
Spinus sp.
finch sp.
Lapland Longspur
Grasshopper Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chipping Sparrow
Clay-colored Sparrow
Black-chinned Sparrow
Brewer's Sparrow
Black-throated Sparrow
Lark Sparrow
Lark Bunting
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
White-throated Sparrow
Zonotrichia sp.
Bell's Sparrow
Vesper Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
LeConte's Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
California Towhee
Spotted Towhee
new world sparrow sp.
Yellow-breasted Chat
Yellow-headed Blackbird
Western Meadowlark
Orchard Oriole
Hooded Oriole
Bullock's Oriole
new world oriole sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red-winged Blackbird
Tricolored Blackbird
Brown-headed Cowbird
Rusty Blackbird
Brewer's Blackbird
Great-tailed Grackle
blackbird sp.
Worm-eating Warbler
Northern Waterthrush
Black-and-white Warbler
Tennessee Warbler
Orange-crowned Warbler
Lucy's Warbler
Nashville Warbler
MacGillivray's Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Kentucky Warbler
Common Yellowthroat
Hooded Warbler
American Redstart
Northern Parula
Blackburnian Warbler
Yellow Warbler
Chestnut-sided Warbler
Blackpoll Warbler
Palm Warbler
Yellow-rumped Warbler
Prairie Warbler
Black-throated Gray Warbler
Townsend's Warbler
Hermit 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
Rose-breasted x Black-headed Grosbeak (hybrid)
Rose-breasted/Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting
Indigo Bunting
Dickcissel
passerine sp.
bird sp.

KEY:| = insufficient data | = rare to widespread

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