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Bird Observations

Date Range:
Jan-Dec, 1900-2024

Aurora Reservoir

Updated ~28 hr(s) ago.

217 species (+68 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snow x Ross's Goose (hybrid)
Snow/Ross's Goose
Snow x Cackling Goose (hybrid)
Ross's x Cackling Goose (hybrid)
Greater White-fronted x Cackling Goose (hybrid)
Greater White-fronted x Canada Goose (hybrid)
Snow x Canada Goose (hybrid)
Ross's x Canada Goose (hybrid)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Cackling/Canada Goose
Snow/Ross's x Cackling/Canada Goose (hybrid)
Trumpeter/Tundra Swan
goose sp.
Blue-winged/Cinnamon Teal
Eurasian/American Wigeon
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Gadwall x Mallard (hybrid)
Mallard x Mexican Duck (hybrid)
Mallard/Mexican Duck
teal sp.
dabbling duck sp.
Greater/Lesser Scaup
Aythya sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
scoter sp.
Bufflehead x Common Goldeneye (hybrid)
Common x Barrow's Goldeneye (hybrid)
Common/Barrow's Goldeneye
Common Goldeneye x Hooded Merganser (hybrid)
Common/Red-breasted Merganser
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
duck sp.
Horned/Eared Grebe
Western/Clark's Grebe
grebe sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
hummingbird sp.
Black-bellied Plover/golden-plover sp.
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.
large shorebird sp.
shorebird sp.
Laughing x Ring-billed Gull (hybrid)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Herring x Glaucous Gull (hybrid)
Herring x Lesser Black-backed Gull (hybrid)
Herring x Glaucous-winged Gull (hybrid)
Glaucous x Glaucous-winged Gull (hybrid)
Herring/Glaucous-winged Gull
Herring/Iceland Gull
Larus sp.
gull sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
tern sp.
loon sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sharp-shinned/Cooper's Hawk
Accipiter sp.
Golden/Bald Eagle
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Buteo sp.
hawk sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
small falcon sp.
falcon sp.
Empidonax sp.
new world flycatcher sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
raven sp.
crow/raven sp.
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
finch sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Spizella sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
new world sparrow sp.
Sturnella meadowlark sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
blackbird sp.
passerine sp.

KEY:| = insufficient data | = rare to widespread

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