Birds in Illinois
Birds in Illinois in May
The most likely birds in Illinois in May are American Robin (76%), Northern Cardinal (64%), and Red-winged Blackbird (64%). 173 species show up on at least 1 in 100 checklists.
Percent of complete checklists in Illinois that reported the bird during these weeks, 2016–2025 (211,218 checklists). It shows how likely you are to list the bird, not how many there are. Methods.
Common now
Share of checklists- 1
American Robin76% - 2
Northern Cardinal64% - 3
Red-winged Blackbird64% - 4
American Goldfinch48% - 5
Blue Jay45% - 6
Brown-headed Cowbird44% - 7
Canada Goose44% - 8
Common Grackle42% - 9
Gray Catbird42% - 10
Baltimore Oriole42% - 11
Mourning Dove41% - 12
House Sparrow41% - 13
Mallard40% - 14
Red-bellied Woodpecker39% - 15
Song Sparrow39% - 16
European Starling38% - 17Northern House Wren37%
- 18
Common Yellowthroat37% - 19
Downy Woodpecker35% - 20
Black-capped Chickadee33% - 21
Blue-gray Gnatcatcher32% - 22
Barn Swallow32% - 23Northern Yellow Warbler31%
- 24
Tree Swallow31% - 25
Indigo Bunting29% - 26
American Crow28% - 27Eastern Warbling Vireo26%
- 28
Rose-breasted Grosbeak25% - 29
House Finch25% - 30
White-breasted Nuthatch24% - 31
Northern Flicker24% - 32
Great Blue Heron23% - 33
Chimney Swift23% - 34
American Redstart23% - 35
Great Crested Flycatcher21% - 36
Yellow-rumped Warbler21% - 37
Eastern Wood-Pewee21% - 38
Palm Warbler20% - 39
Red-eyed Vireo20% - 40
Ring-billed Gull20% - 41
White-crowned Sparrow19% - 42
Killdeer19% - 43
Chipping Sparrow19% - 44
White-throated Sparrow19% - 45
Turkey Vulture18% - 46
Eastern Kingbird18% - 47
Swainson's Thrush17% - 48
Northern Rough-winged Swallow17% - 49
Double-crested Cormorant17% - 50
Nashville Warbler16% - 51
Eastern Towhee16% - 52
Wood Duck15% - 53
Tennessee Warbler15% - 54
Eastern Phoebe15% - 55
Black-and-white Warbler14% - 56
Field Sparrow14% - 57
Magnolia Warbler14% - 58
Tufted Titmouse13% - 59
Ruby-crowned Kinglet13% - 60
Red-tailed Hawk13%
Arriving
New in May- Eastern Wood-Pewee
- Cedar Waxwing
- Dickcissel
- Willow Flycatcher
- Wilson's Warbler
- Canada Warbler
- Common Nighthawk
- Yellow-billed Cuckoo
- Bobolink
- Henslow's Sparrow
- Mourning Warbler
- Yellow-bellied Flycatcher