Interesting Facts

MIGRATION PHENOLOGY

Median first observation date of birds with at least 5 observations at Cheyenne Bottoms during 1976-2003

SPECIES FEB MAR APR MAY JUN JUL AUG SEP OCT NOV
Mallard 4- Feb
Common merganser 4- Feb
Hooded merganser 6- Feb
Belted kingfisher 7- Feb
Northern pintail 8- Feb
Common goldeneye 9- Feb
Greater white-fronted goose 10- Feb
Green-winged teal 15- Feb
Tundra swan 16- Feb
Sandhill crane 17- Feb
American wigeon 19- Feb
Redhead 20- Feb
Gadwall 21- Feb
American coot 22- Feb
Northern shoveler 23- Feb
Bufflehead 23- Feb
Snow goose 24- Feb
Lesser scaup 27- Feb
Canvasback 28- Feb
Ring-necked duck 28- Feb
Killdeer 28- Feb
Ruddy duck 3- Mar
Great blue heron 8- Mar
Cinnamon teal 8- Mar
Blue-winged teal 9- Mar
Pied-billed grebe 10- Mar
American white pelican 16- Mar
Wood duck 16- Mar
Greater yellowlegs 19- Mar
Baird's sandpiper 19- Mar
Long-billed dowitcher 20- Mar
Double-crested cormorant 21- Mar
Eastern phoebe 23- Mar
Lesser yellowlegs 25- Mar
Mourning dove 25- Mar
Common snipe 26- Mar
American avocet 1- Apr
Semipalmated sandpiper 4- Apr
Least sandpiper 4- Apr
Western sandpiper 6- Apr
Rough-winged swallow 6- Apr
Pectoral sandpiper 7- Apr
Eared grebe 7- Apr
American bittern 8- Apr
Turkey vulture 8- Apr
Black-crowned night-heron 9- Apr
Swainson's hawk 9- Apr
Yellow-headed blackbird 9- Apr
Great egret 10- Apr
Snowy egret 10- Apr
Snowy plover 10- Apr
Franklin's gull 11- Apr
Wilson's phalarope 12- Apr
Hudsonian godwit 12- Apr
Cattle egret 12- Apr
Black-necked stilt 12- Apr
Burrowing owl 12- Apr
Tree swallow 12- Apr
Long-billed curlew 13- Apr
White-faced ibis 13- Apr
Barn swallow 13- Apr
Marbled godwit 14- Apr
Forster's tern 14- Apr
Stilt sandpiper 15- Apr
Semipalmated plover 16- Apr
American golden-plover 16- Apr
Horned grebe 16- Apr
Little blue heron 16- Apr
Dunlin 17- Apr
Western grebe 17- Apr
Short-billed dowitcher 18- Apr
Osprey 18- Apr
Black-billed magpie 19- Apr
House wren 19- Apr
Willet 20- Apr
Whimbrel 21- Apr
Brown thrasher 21- Apr
Peregrine falcon 23- Apr
Common moorhen 23- Apr
Virginia rail 24- Apr
Sora 24- Apr
Cliff swallow 24- Apr
Piping plover 25- Apr
Spotted sandpiper 26- Apr
Upland sandpiper 26- Apr
Black-bellied plover 27- Apr
Western kingbird 27- Apr
Common yellowthroat 27- Apr
Eastern kingbird 28- Apr
Sanderling 29- Apr
Baltimore oriole 30- Apr
White-rumped sandpiper 1- May
Solitary sandpiper 1- May
Red knot 2- May
Buff-breasted sandpiper 3- May
Chimney swift 3- May
Green heron 4- May
Least bittern 6- May
Red-headed woodpecker 7- May
Gray catbird 7- May
Dickcissel 8- May
Ruddy turnstone 9- May
Red-necked phalarope 9- May
Mississippi kite 9- May
Black tern 12- May
Common nighthawk 12- May
Lesser yellowlegs 2- Jul
Semipalmated sandpiper 8- Jul
Marbled godwit 8- Jul
Western sandpiper 9- Jul
Greater yellowlegs 10- Jul
Long-billed dowitcher 10- Jul
Least sandpiper 10- Jul
Long-billed curlew 12- Jul
Stilt sandpiper 12- Jul
White-rumped sandpiper 12- Jul
Whimbrel 13- Jul
Willet 17- Jul
Baird's sandpiper 18- Jul
Short-billed dowitcher 21- Jul
Pectoral sandpiper 23- Jul
Solitary sandpiper 23- Jul
Semipalmated plover 27- Jul
Ruddy turnstone 27- Jul
Piping plover 31- Jul
Hudsonian godwit 1- Aug
Red knot 7- Aug
Sanderling 8- Aug
Black-bellied plover 18- Aug
Buff-breasted sandpiper 22- Aug
Common snipe 6- Sep
Dunlin 8- Sep
American golden-plover 14- Sep
Greater white-fronted goose 24- Sep
Sandhill crane 1- Oct
Whooping crane 22- Oct
Bald eagle 19- Nov
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