IOU Big Weekend

1-2 May 2021



Here are the results of the selected event.

           
  Total Species Recorded Statewide: 237  

  Total Counties Birded: 63  
Number of counties where a species was recorded precedes the species name

9    Snow Goose

8    Short-billed Dowitcher

29    Eastern Kingbird

3    Dark-eyed Junco

5    Greater White-fronted Goose

18    Long-billed Dowitcher

3    Eastern Wood-Pewee

14    White-crowned Sparrow

59    Canada Goose

1    American Woodcock

2    Willow Flycatcher

24    Harris's Sparrow

1    Mute Swan

7    Wilson's Snipe

4    Least Flycatcher

40    White-throated Sparrow

19    Trumpeter Swan

30    Spotted Sandpiper

17    Eastern Phoebe

14    Vesper Sparrow

2    Tundra Swan

18    Solitary Sandpiper

4    White-eyed Vireo

1    Henslow's Sparrow

38    Wood Duck

39    Lesser Yellowlegs

12    Yellow-throated Vireo

14    Savannah Sparrow

51    Blue-winged Teal

11    Willet

7    Blue-headed Vireo

44    Song Sparrow

1    Cinnamon Teal

24    Greater Yellowlegs

1    Philadelphia Vireo

16    Lincoln's Sparrow

33    Northern Shoveler

14    Wilson's Phalarope

26    Warbling Vireo

15    Swamp Sparrow

25    Gadwall

3    Bonaparte's Gull

8    Red-eyed Vireo

3    Spotted Towhee

4    American Wigeon

9    Franklin's Gull

56    Blue Jay

27    Eastern Towhee

42    Mallard

22    Ring-billed Gull

54    American Crow

1    Yellow-breasted Chat

3    Northern Pintail

1    California Gull

1    Fish Crow

16    Yellow-headed Blackbird

12    Green-winged Teal

2    Herring Gull

13    Horned Lark

12    Bobolink

1    Canvasback

11    Caspian Tern

5    Bank Swallow

37    Eastern Meadowlark

6    Redhead

4    Black Tern

48    Tree Swallow

15    Western Meadowlark

10    Ring-necked Duck

1    Common Tern

16    Northern Rough-winged Swallow

9    Orchard Oriole

17    Lesser Scaup

14    Forster's Tern

18    Purple Martin

1    Bullock's Oriole

7    Bufflehead

4    Common Loon

49    Barn Swallow

36    Baltimore Oriole

10    Hooded Merganser

25    Double-crested Cormorant

28    Cliff Swallow

61    Red-winged Blackbird

3    Red-breasted Merganser

23    American White Pelican

46    Black-capped Chickadee

58    Brown-headed Cowbird

13    Ruddy Duck

2    American Bittern

16    Tufted Titmouse

2    Rusty Blackbird

5    Northern Bobwhite

35    Great Blue Heron

7    Red-breasted Nuthatch

3    Brewer's Blackbird

28    Wild Turkey

12    Great Egret

43    White-breasted Nuthatch

54    Common Grackle

2    Gray Partridge

4    Snowy Egret

1    Brown Creeper

6    Great-tailed Grackle

35    Ring-necked Pheasant

3    Cattle Egret

51    House Wren

8    Ovenbird

27    Pied-billed Grebe

13    Green Heron

1    Sedge Wren

5    Louisiana Waterthrush

1    Red-necked Grebe

1    Black-crowned Night-Heron

8    Marsh Wren

12    Northern Waterthrush

2    Eared Grebe

2    Glossy Ibis

8    Carolina Wren

4    Golden-winged Warbler

38    Rock Pigeon

3    White-faced Ibis

1    Bewick's Wren

4    Blue-winged Warbler

25    Eurasian Collared-Dove

1    Black Vulture

16    Blue-gray Gnatcatcher

11    Black-and-white Warbler

55    Mourning Dove

58    Turkey Vulture

20    Ruby-crowned Kinglet

3    Prothonotary Warbler

1    Common Nighthawk

5    Osprey

21    Eastern Bluebird

12    Tennessee Warbler

2    Eastern Whip-poor-will

9    Northern Harrier

3    Gray-cheeked Thrush

13    Orange-crowned Warbler

12    Chimney Swift

5    Sharp-shinned Hawk

15    Swainson's Thrush

14    Nashville Warbler

9    Ruby-throated Hummingbird

10    Cooper's Hawk

1    Hermit Thrush

1    Mourning Warbler

1    King Rail

41    Bald Eagle

9    Wood Thrush

1    Kentucky Warbler

10    Sora

2    Red-shouldered Hawk

61    American Robin

25    Common Yellowthroat

33    American Coot

14    Broad-winged Hawk

38    Gray Catbird

2    Hooded Warbler

10    Sandhill Crane

5    Swainson's Hawk

42    Brown Thrasher

6    American Redstart

1    Black-necked Stilt

37    Red-tailed Hawk

1    Northern Mockingbird

1    Cape May Warbler

4    American Avocet

1    Barn Owl

47    European Starling

1    Cerulean Warbler

1    Black-bellied Plover

1    Eastern Screech-Owl

3    Cedar Waxwing

13    Northern Parula

5    American Golden-Plover

8    Great Horned Owl

48    House Sparrow

1    Magnolia Warbler

52    Killdeer

16    Barred Owl

10    Eurasian Tree Sparrow

24    Yellow Warbler

16    Semipalmated Plover

12    Belted Kingfisher

9    American Pipit

1    Chestnut-sided Warbler

1    Piping Plover

31    Red-headed Woodpecker

38    House Finch

4    Blackpoll Warbler

3    Upland Sandpiper

46    Red-bellied Woodpecker

8    Purple Finch

24    Palm Warbler

2    Hudsonian Godwit

4    Yellow-bellied Sapsucker

11    Pine Siskin

42    Yellow-rumped Warbler

4    Marbled Godwit

42    Downy Woodpecker

51    American Goldfinch

4    Yellow-throated Warbler

2    Stilt Sandpiper

32    Hairy Woodpecker

1    Lapland Longspur

1    Black-throated Green Warbler

6    Sanderling

39    Northern Flicker

2    Grasshopper Sparrow

6    Summer Tanager

6    Dunlin

15    Pileated Woodpecker

14    Lark Sparrow

8    Scarlet Tanager

9    Baird's Sandpiper

29    American Kestrel

55    Chipping Sparrow

57    Northern Cardinal

23    Least Sandpiper

3    Merlin

12    Clay-colored Sparrow

34    Rose-breasted Grosbeak

7    White-rumped Sandpiper

3    Peregrine Falcon

34    Field Sparrow

1    Blue Grosbeak

34    Pectoral Sandpiper

18    Great Crested Flycatcher

1    Fox Sparrow

11    Indigo Bunting

14    Semipalmated Sandpiper

1    Western Kingbird

1    American Tree Sparrow

7    Dickcissel

2    Western Sandpiper