Birds in Illinois
Birds in Illinois in April
The most likely birds in Illinois in April are American Robin (74%), Red-winged Blackbird (64%), and Northern Cardinal (63%). 146 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 (171,714 checklists). It shows how likely you are to list the bird, not how many there are. Methods.
Common now
Share of checklists- 1
American Robin74% - 2
Red-winged Blackbird64% - 3
Northern Cardinal63% - 4
Canada Goose52% - 5
Mallard46% - 6
Song Sparrow41% - 7
Mourning Dove40% - 8
Brown-headed Cowbird39% - 9
Downy Woodpecker39% - 10
European Starling38% - 11
House Sparrow38% - 12
Red-bellied Woodpecker36% - 13
Northern Flicker36% - 14
Common Grackle36% - 15
Blue Jay35% - 16
Black-capped Chickadee34% - 17
American Goldfinch32% - 18
American Crow30% - 19
Tree Swallow29% - 20
Yellow-rumped Warbler27% - 21
House Finch27% - 22
White-throated Sparrow25% - 23
White-breasted Nuthatch25% - 24
Ring-billed Gull24% - 25
Killdeer22% - 26
Ruby-crowned Kinglet22% - 27
Dark-eyed Junco21% - 28
Turkey Vulture21% - 29
Great Blue Heron21% - 30
Eastern Phoebe19% - 31
Double-crested Cormorant19% - 32
Wood Duck19% - 33
Blue-winged Teal18% - 34
Chipping Sparrow18% - 35
Tufted Titmouse15% - 36
Eastern Towhee15% - 37
Red-tailed Hawk15% - 38
Field Sparrow14% - 39
Swamp Sparrow14% - 40
Blue-gray Gnatcatcher14% - 41
Golden-crowned Kinglet14% - 42
Barn Swallow13% - 43
Brown Thrasher12% - 44
Hermit Thrush12% - 45
Hairy Woodpecker11% - 46
Eastern Bluebird11% - 47
Brown Creeper11% - 48
American Coot11% - 49
Carolina Wren10% - 50
Eastern Meadowlark10% - 51
Pied-billed Grebe10%
Arriving
New in April- Gray Catbird
- Baltimore Oriole
- Barn Swallow
- Common Yellowthroat
- Northern House Wren
- Indigo Bunting
- Blue-gray Gnatcatcher
- Great Blue Heron
- Northern Yellow Warbler
- Ruby-throated Hummingbird
- Eastern Warbling Vireo
- Rose-breasted Grosbeak
Leaving
Gone by the end of April- Dark-eyed Junco
- American Tree Sparrow
- Red-breasted Merganser
- Bufflehead
- Lesser Scaup
- Ring-necked Duck
- Fox Sparrow
- Gadwall
- Hooded Merganser
- Green-winged Teal
- Redhead
- Horned Grebe
Less common
Share of checklists- 52
Northern Rough-winged Swallow10% - 53
Palm Warbler9.8% - 54Northern House Wren9.5%
- 55
Northern Shoveler9.3% - 56
Yellow-bellied Sapsucker9.0% - 57
Rock Pigeon9.0% - 58
Red-breasted Merganser8.9% - 59
Caspian Tern8.7% - 60
Belted Kingfisher8.7%