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Bird Observations

Date Range:
Jan-Dec, 1900-2024

San Francisco Bay Trail--S 51st St.

Updated ~41 hr(s) ago.

200 species (+34 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Domestic goose sp. (Domestic type)
Blue-winged/Cinnamon Teal
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
teal sp.
dabbling duck sp.
Greater/Lesser Scaup
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
duck sp.
Horned/Eared Grebe
Western/Clark's Grebe
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Rufous/Allen's Hummingbird
hummingbird sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Short-billed/Long-billed Dowitcher
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
phalarope sp.
Lesser/Greater Yellowlegs
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
peep sp.
shorebird sp.
Western x Glaucous-winged Gull (hybrid)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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.
Downy/Hairy Woodpecker
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
falcon sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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
Zonotrichia sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
new world sparrow sp.
Red-winged/Tricolored Blackbird
blackbird sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
passerine sp.
bird sp.

KEY:| = insufficient data | = rare to widespread

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