« Start Over

Bird Observations

			Date Range: Jan-Dec, 1900-2024

Mercer Slough

Updated ~36 hr(s) ago.

151 species (+43 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cackling Goose
Canada Goose
Cackling/Canada Goose
Trumpeter Swan
Trumpeter/Tundra Swan
goose sp.
Wood Duck
Blue-winged Teal
Northern Shoveler
Gadwall
Eurasian Wigeon
American Wigeon
Mallard
Northern Pintail
Green-winged Teal
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
teal sp.
Canvasback
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Bufflehead
Common Goldeneye
Common/Barrow's Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Ruddy Duck
duck sp.
California Quail
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ring-necked Pheasant
Pied-billed Grebe
Horned Grebe
Western Grebe
Rock Pigeon
Band-tailed Pigeon
Rock/Band-tailed Pigeon
Eurasian Collared-Dove
Mourning Dove
pigeon/dove sp.
Black Swift
Vaux's Swift
Anna's Hummingbird
Rufous Hummingbird
hummingbird sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Virginia Rail
American Coot
Killdeer
Wilson's Snipe
Red-necked Phalarope
Spotted Sandpiper
Short-billed Gull
Ring-billed Gull
Western Gull
Herring Gull
California Gull
Glaucous-winged Gull
Western x Glaucous-winged Gull (hybrid)
Western/Glaucous-winged Gull
Iceland Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Larus sp.
gull sp.
Caspian Tern
tern sp.
Common Loon
Double-crested Cormorant
cormorant sp.
American Bittern
Green Heron
Great Blue Heron
Turkey Vulture
Osprey
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-tailed Hawk
Rough-legged Hawk
Buteo sp.
hawk sp.
Barn Owl
Western Screech-Owl
Great Horned Owl
Barred Owl
Short-eared Owl
Belted Kingfisher
Red-breasted Sapsucker
Red-naped/Red-breasted Sapsucker
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
sapsucker sp.
Downy Woodpecker
Hairy Woodpecker
Downy/Hairy Woodpecker
Pileated Woodpecker
Northern Flicker
woodpecker sp.
American Kestrel
Merlin
Peregrine Falcon
falcon sp.
diurnal raptor sp.
Western Wood-Pewee
Willow Flycatcher
Hammond's Flycatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Flycatcher
Empidonax sp.
Black Phoebe
Say's Phoebe
Western Kingbird
Eastern Kingbird
new world flycatcher sp.
Hutton's Vireo
Cassin's Vireo
Warbling Vireo
Red-eyed Vireo
vireo sp.
Northern Shrike
Steller's Jay
California Scrub-Jay
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Crow
Common Raven
Black-capped Chickadee
Chestnut-backed Chickadee
chickadee sp.
Tree Swallow
Violet-green Swallow
Tree/Violet-green Swallow
Purple Martin
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Bushtit
Ruby-crowned Kinglet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Golden-crowned Kinglet
Ruby-crowned/Golden-crowned Kinglet
Red-breasted Nuthatch
Brown Creeper
Pacific Wren
Marsh Wren
Bewick's Wren
wren sp.
American Dipper
European Starling
Varied Thrush
Swainson's Thrush
Hermit Thrush
Catharus sp.
American Robin
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
thrush sp.
Cedar Waxwing
House Sparrow
American Pipit
Evening Grosbeak
House Finch
Purple Finch
House/Purple Finch
Common Redpoll
Red Crossbill
Pine Siskin
Lesser Goldfinch
American Goldfinch
finch sp.
Chipping 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
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Spotted Towhee
new world sparrow sp.
Bullock's Oriole
Red-winged Blackbird
Brown-headed Cowbird
Brewer's Blackbird
blackbird sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Orange-crowned Warbler
MacGillivray's Warbler
Common Yellowthroat
Yellow Warbler
Yellow-rumped Warbler
Black-throated Gray Warbler
Townsend's Warbler
Wilson's Warbler
new world warbler sp.
Western Tanager
Black-headed Grosbeak
Lazuli Bunting
passerine sp.
bird sp.

KEY:| = insufficient data | = rare to widespread

Download Histogram Data