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Bird Observations

Date Range:
Jan-Dec, 1900-2021

Weld

Updated ~14 hr(s) ago.

393 species (+167 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snow Goose
Ross's Goose
Snow x Ross's Goose (hybrid)
Snow/Ross's Goose
Greater White-fronted Goose
Pink-footed Goose
Domestic goose sp. (Domestic type)
Brant
Barnacle Goose
Cackling Goose
Snow x Cackling Goose (hybrid)
Ross's x Cackling Goose (hybrid)
Greater White-fronted x Cackling Goose (hybrid)
Canada Goose
Greater White-fronted x Canada Goose (hybrid)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snow x Canada Goose (hybrid)
Ross's x Canada Goose (hybrid)
Cackling/Canada Goose
Snow/Ross's x Cackling/Canada Goose (hybrid)
goose sp.
Mute Swan
Trumpeter Swan
Tundra Swan
Trumpeter/Tundra Swan
swan sp.
Wood Duck
Blue-winged Teal
Cinnamon Teal
Blue-winged x Cinnamon Teal (hybrid)
Blue-winged/Cinnamon Teal
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Northern Shoveler
Blue-winged Teal x Northern Shoveler (hybrid)
Cinnamon Teal x Northern Shoveler (hybrid)
Gadwall
Northern Shoveler x Gadwall (hybrid)
Eurasian Wigeon
American Wigeon
Northern Shoveler x American Wigeon (hybrid)
Eurasian/American Wigeon
Mallard
Mallard (Domestic type)
Muscovy Duck x Mallard (hybrid)
Northern Shoveler x Mallard (hybrid)
Gadwall x Mallard (hybrid)
American Wigeon x Mallard (hybrid)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mexican Duck
Mallard x Mexican Duck (hybrid)
Mallard/Mexican Duck
American Black Duck
Mallard x American Black Duck (hybrid)
Mallard x Mottled Duck (hybrid)
Northern Pintail
Mallard x Northern Pintail (hybrid)
Green-winged Teal
teal sp.
dabbling duck sp.
Canvasback
Redhead
Canvasback x Redhead (hybrid)
Ring-necked Duck
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Redhead x Ring-necked Duck (hybrid)
Tufted Duck
Greater Scaup
Lesser Scaup
Ring-necked Duck x Lesser Scaup (hybrid)
Tufted Duck x Lesser Scaup (hybrid)
Greater/Lesser Scaup
Redhead x scaup sp. (hybrid)
Aythya sp.
Surf Scoter
White-winged Scoter
Black Scoter
Long-tailed Duck
Bufflehead
Common Goldeneye
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Bufflehead x Common Goldeneye (hybrid)
Barrow's Goldeneye
Common x Barrow's Goldeneye (hybrid)
Common/Barrow's Goldeneye
Hooded Merganser
Bufflehead x Hooded Merganser (hybrid)
Common Goldeneye x Hooded Merganser (hybrid)
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
merganser sp.
Ruddy Duck
duck sp.
Northern Bobwhite
Ring-necked Pheasant
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sharp-tailed Grouse
Wild Turkey
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Horned/Eared Grebe
Western Grebe
Clark's Grebe
Western x Clark's Grebe (hybrid)
Western/Clark's Grebe
grebe sp.
Rock Pigeon
Band-tailed Pigeon
Eurasian Collared-Dove
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
African Collared-Dove (Domestic type or Ringed Turtle-Dove)
White-winged Dove
Mourning Dove
Eurasian Collared-Dove x Mourning Dove (hybrid)
pigeon/dove sp.
Greater Roadrunner
Yellow-billed Cuckoo
Black-billed Cuckoo
Common Nighthawk
nighthawk sp.
Common Poorwill
nightjar sp.
Black Swift
Chimney Swift
White-throated Swift
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
swift sp.
Black-chinned Hummingbird
Costa's Hummingbird
Broad-tailed Hummingbird
Rufous Hummingbird
Calliope Hummingbird
Selasphorus sp.
hummingbird sp.
King Rail
Virginia Rail
Sora
Common Gallinule
American Coot
Black Rail
rail/crake sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sandhill Crane
Whooping Crane
Black-necked Stilt
American Avocet
Black-bellied Plover
American Golden-Plover
American/Pacific Golden-Plover (Lesser Golden-Plover)
Snowy Plover
Semipalmated Plover
Piping Plover
Killdeer
Mountain Plover
plover sp.
Upland Sandpiper
Whimbrel
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Long-billed Curlew
Hudsonian Godwit
Marbled Godwit
Ruddy Turnstone
Red Knot
Ruff
Stilt Sandpiper
Sanderling
Dunlin
Baird's Sandpiper
Least Sandpiper
White-rumped Sandpiper
Buff-breasted Sandpiper
Pectoral Sandpiper
Semipalmated Sandpiper
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Western Sandpiper
Semipalmated/Western Sandpiper
peep sp.
Calidris sp.
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Red-necked Phalarope
Red Phalarope
Red-necked/Red Phalarope
phalarope sp.
Spotted Sandpiper
Solitary Sandpiper
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Greater Yellowlegs
Willet
Lesser Yellowlegs
Greater/Lesser Yellowlegs
Tringa sp.
large shorebird sp.
shorebird sp.
Pomarine Jaeger
Parasitic Jaeger
Long-tailed Jaeger
jaeger sp.
Ancient Murrelet
Black-legged Kittiwake
Sabine's Gull
Bonaparte's Gull
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Black-headed Gull
Little Gull
Laughing Gull
Franklin's Gull
Mew Gull
Ring-billed Gull
Laughing x Ring-billed Gull (hybrid)
California Gull
Herring Gull
Iceland Gull
Herring/Iceland Gull
Lesser Black-backed Gull
Herring x Lesser Black-backed Gull (hybrid)
Glaucous-winged Gull
Herring x Glaucous-winged Gull (hybrid)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Glaucous Gull
Herring x Glaucous Gull (hybrid)
Great Black-backed Gull
Larus sp.
gull sp.
Least Tern
Caspian Tern
Black Tern
Common Tern
Arctic Tern
Common/Arctic Tern
Forster's Tern
Common/Forster's Tern
Sterna sp.
tern sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Red-throated Loon
Pacific Loon
Arctic/Pacific Loon
Common Loon
Yellow-billed Loon
loon sp.
Neotropic Cormorant
Double-crested Cormorant
Neotropic/Double-crested Cormorant
cormorant sp.
American White Pelican
Brown Pelican
American Bittern
Least Bittern
Great Blue Heron
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Great Egret
Snowy Egret
Little Blue Heron
Tricolored Heron
Cattle Egret
white egret sp.
Green Heron
Black-crowned Night-Heron
Yellow-crowned Night-Heron
Black-crowned/Yellow-crowned Night-Heron
Glossy Ibis
White-faced Ibis
Glossy x White-faced Ibis (hybrid)
Glossy/White-faced Ibis
Roseate Spoonbill
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Turkey Vulture
Osprey
Golden Eagle
Mississippi Kite
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
Northern Goshawk
Accipiter sp.
Bald Eagle
Golden/Bald Eagle
Red-shouldered Hawk
Broad-winged Hawk
Swainson's Hawk
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Buteo sp.
Buteo/eagle sp.
hawk sp.
eagle sp.
Barn Owl
Eastern Screech-Owl
Great Horned Owl