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Bird Observations

Date Range:
Jan-Dec, 2024-2024

Contra Costa

Updated ~29 hr(s) ago.

269 species (+66 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snow/Ross's Goose
Domestic goose sp. (Domestic type)
Graylag x Canada Goose (hybrid)
Domestic goose sp. x Canada Goose (hybrid)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
swan sp.
goose sp.
Blue-winged/Cinnamon Teal
Eurasian/American Wigeon
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
dabbling duck sp.
Greater/Lesser Scaup
scoter sp.
Common/Barrow's Goldeneye
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
duck sp.
Horned/Eared Grebe
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Western/Clark's Grebe
pigeon/dove sp.
swift sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Rufous/Allen's Hummingbird
Selasphorus sp.
hummingbird sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
small plover sp.
Short-billed/Long-billed Dowitcher
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Lesser/Greater Yellowlegs
peep sp.
large shorebird sp.
shorebird sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Herring x Glaucous Gull (hybrid)
Western x Glaucous-winged Gull (hybrid)
Herring x Glaucous-winged Gull (hybrid)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Glaucous x Glaucous-winged Gull (hybrid)
Larus sp.
gull sp.
tern sp.
loon sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
cormorant sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sharp-shinned/Cooper's Hawk
Accipiter sp.
Buteo sp.
hawk sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Downy/Hairy Woodpecker
woodpecker sp.
falcon sp.
diurnal raptor sp.
pewee sp. (Contopus sp.)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hammond's/Dusky Flycatcher
Empidonax sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
crow/raven sp.
Tree/Violet-green Swallow
swallow sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Catharus sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
House/Purple Finch
Purple/Cassin's Finch
new world goldfinch sp.
Spinus sp.
finch sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Zonotrichia sp.
new world sparrow sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
new world oriole sp.
Red-winged/Tricolored Blackbird
blackbird sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Townsend's x Hermit Warbler (hybrid)
Townsend's/Hermit Warbler
new world warbler sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Lazuli x Indigo Bunting (hybrid)
Lazuli/Indigo Bunting
passerine sp.

KEY:| = insufficient data | = rare to widespread

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