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Bird Observations

Date Range:
Mar, 1900-2020

Weld

Updated ~33 hr(s) ago.

180 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)
 
Cackling/Canada Goose
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snow/Ross's x Cackling/Canada Goose (hybrid)
 
 
 
 
 
Trumpeter/Tundra Swan
 
swan sp.
 
goose sp.
 
 
 
 
 
Blue-winged x Cinnamon Teal (hybrid)
 
Blue-winged/Cinnamon Teal
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
Northern Shoveler x Gadwall (hybrid)
 
 
 
Eurasian/American Wigeon
 
 
Muscovy Duck x Mallard (hybrid)
 
Gadwall x Mallard (hybrid)
 
American Wigeon x Mallard (hybrid)
 
 
Mallard x Mexican Duck (hybrid)
 
 
Mallard x American Black Duck (hybrid)
 
 
Mallard x Northern Pintail (hybrid)
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
teal sp.
 
dabbling duck sp.
 
 
 
 
 
 
Ring-necked Duck x Lesser Scaup (hybrid)
 
Tufted Duck x Lesser Scaup (hybrid)
 
Redhead x scaup sp. (hybrid)
 
Greater/Lesser Scaup
 
Aythya sp.
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
 
Common/Barrow's Goldeneye
 
 
 
 
Common/Red-breasted Merganser
 
 
duck sp.
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
 
 
Horned/Eared Grebe
 
 
 
Western/Clark's Grebe
 
grebe sp.
 
 
 
 
pigeon/dove sp.
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
 
 
 
 
 
 
 
 
 
 
Lesser/Greater Yellowlegs
 
Tringa sp.
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
peep sp.
 
shorebird sp.
 
 
 
 
 
 
 
 
 
Herring x Glaucous Gull (hybrid)
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
Herring x Glaucous-winged Gull (hybrid)
 
 
Herring/Iceland Gull
 
Larus sp.
 
gull sp.
 
 
 
Double-crested/Neotropic Cormorant
 
 
 
 
 
 
 
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
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
small falcon sp.
 
falcon sp.
 
 
 
 
 
Loggerhead/Northern Shrike
 
shrike sp.
 
 
 
 
 
 
raven sp.
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
crow/raven 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
 
 
 
new world goldfinch sp.
 
 
 
 
longspur sp.
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
 
 
 
 
 
 
new world sparrow sp.
 
 
 
Western x Eastern Meadowlark (hybrid)
 
Sturnella meadowlark sp.
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Rusty/Brewer's Blackbird
 
 
 
grackle sp.
 
blackbird sp.
 
 
 
passerine sp.
 

KEY:| = insufficient data | = rare to widespread

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