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Bird Observations

Date Range:
Apr, 1900-2021

Weld

Updated ~42 hr(s) ago.

258 species (+88 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
Snow x Ross's Goose (hybrid)
 
Snow/Ross's Goose
 
 
Domestic goose sp. (Domestic type)
 
 
Snow x Cackling Goose (hybrid)
 
Ross's x Cackling Goose (hybrid)
 
 
Snow x Canada Goose (hybrid)
 
Ross's x Canada Goose (hybrid)
 
Cackling/Canada Goose
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
Trumpeter/Tundra Swan
 
swan sp.
 
goose sp.
 
 
 
 
Blue-winged x Cinnamon Teal (hybrid)
 
Blue-winged/Cinnamon Teal
 
 
Cinnamon Teal x Northern Shoveler (hybrid)
 
 
Northern Shoveler x Gadwall (hybrid)
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Eurasian/American Wigeon
 
 
Northern Shoveler x Mallard (hybrid)
 
Gadwall x Mallard (hybrid)
 
American Wigeon x Mallard (hybrid)
 
 
Mallard x Mexican Duck (hybrid)
 
Mallard/Mexican Duck
 
Mallard x American Black Duck (hybrid)
 
 
 
teal sp.
 
dabbling duck sp.
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
Redhead x Ring-necked Duck (hybrid)
 
 
 
Ring-necked Duck x Lesser Scaup (hybrid)
 
Greater/Lesser Scaup
 
 
 
 
 
 
 
Common Goldeneye x Hooded Merganser (hybrid)
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Common/Red-breasted Merganser
 
 
duck sp.
 
 
 
 
 
 
 
 
 
 
 
Horned/Eared Grebe
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
Western x Clark's Grebe (hybrid)
 
Western/Clark's Grebe
 
grebe sp.
 
 
 
 
 
 
pigeon/dove sp.
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
rail/crake sp.
 
 
 
 
 
 
 
 
 
 
plover sp.
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
 
 
 
Short-billed/Long-billed Dowitcher
 
 
 
 
phalarope sp.
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Lesser/Greater Yellowlegs
 
Tringa sp.
 
 
 
 
 
 
 
 
 
 
Western/Semipalmated Sandpiper
 
peep sp.
 
large shorebird sp.
 
shorebird sp.
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
 
 
 
 
 
 
 
Herring x Glaucous Gull (hybrid)
 
 
 
 
Herring x Glaucous-winged Gull (hybrid)
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Larus sp.
 
gull sp.
 
 
 
 
Forster's/Common Tern
 
tern sp.
 
 
 
 
 
Double-crested/Neotropic Cormorant
 
cormorant sp.
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
 
 
 
 
 
 
white egret sp.
 
 
 
Glossy x White-faced Ibis (hybrid)
 
Glossy/White-faced Ibis
 
 
 
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
eagle sp.
 
 
 
 
 
 
 
 
 
Yellow-bellied/Red-naped Sapsucker
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
woodpecker sp.
 
 
 
 
 
 
large falcon sp.
 
small falcon sp.
 
falcon sp.
 
diurnal raptor sp.
 
 
Empidonax sp.
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
 
new world flycatcher sp.
 
 
 
 
 
 
 
 
 
 
 
raven sp.
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
crow/raven sp.
 
 
 
Black-capped/Mountain Chickadee
 
 
 
 
 
 
 
 
swallow sp.
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
 
 
 
 
 
 
 
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
 
 
finch sp.
 
 
 
 
longspur sp.
 
 
 
 
 
 
Spizella sp.
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
Spizella sp./American Tree Sparrow
 
 
 
 
 
Zonotrichia sp.
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Spotted x Eastern Towhee (hybrid)
 
new world sparrow sp.
 
 
 
Sturnella meadowlark sp.
 
 
 
 
 
Rusty/Brewer's Blackbird
 
 
 
grackle sp.
 
blackbird sp.
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
 
 
 
 
 
 
 
 
 
 
new world warbler sp.
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
passerine sp.
 

KEY:| = insufficient data | = rare to widespread

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