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