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Bird Observations

Date Range:
Jan-Dec, 1900-2022

Occoquan Bay NWR

Updated ~33 hr(s) ago.

257 species (+56 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
swan sp.
Mallard x American Black Duck (hybrid)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mallard/American Black Duck
teal sp.
dabbling duck sp.
Greater/Lesser Scaup
Aythya sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Common/Red-breasted Merganser
duck sp.
waterfowl sp.
grebe sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Yellow-billed/Black-billed Cuckoo
large rail sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
rail/crake sp.
Lesser/Greater Yellowlegs
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
peep sp.
shorebird sp.
gull sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
large tern sp.
tern sp.
loon sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
white egret sp.
new world vulture 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
owl sp.
Downy/Hairy Woodpecker
woodpecker sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
small falcon sp.
falcon sp.
diurnal raptor sp.
Alder/Willow Flycatcher (Traill's Flycatcher)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Empidonax sp.
new world flycatcher sp.
vireo sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
crow sp.
chickadee sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
swallow sp.
Ruby-crowned/Golden-crowned Kinglet
wren sp.
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
Spizella sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
new world sparrow sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
new world oriole sp.
blackbird sp.
Louisiana/Northern Waterthrush
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Bay-breasted/Blackpoll Warbler
Setophaga sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
new world warbler sp.
tanager sp. (Piranga sp.)
Passerina sp.
passerine sp.
bird sp.

KEY:| = insufficient data | = rare to widespread

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