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Wildlife near Chicago, Illinois

Illustrated wildlife of Chicago

Chicago lives along Lake Michigan, and the lakefront is a migration superhighway. Warblers and sparrows pile into the parks each spring, peregrine falcons nest on the high-rises, and monarch butterflies stream through in fall. Fox squirrels and eastern cottontails hold the neighborhoods, coyotes have quietly moved into every part of the metro, and the restored prairies and the lakefront ponds bring in mallards, herons, and the occasional migrating loon.

Everything below is pulled live from recent research-grade observations near Chicago. Browse by group, explore the map, and identify what you find with Huck.

135,849
recent observations
30
species listed
17
birds
9
insects & arthropods
3
mammals

Naturalists have logged 135,849 research-grade observations across the 30 most-recorded species near Chicago. The most frequently seen is the Monarch, with 8,273 recorded sightings.

Birds account for the largest share of what gets recorded there (17 of the species listed here), followed by insects & arthropods (9).

🖨️ Printable wildlife checklist

Most-observed species near Chicago

Monarch
Danaus plexippus
8,273 observations
American Robin
Turdus migratorius
7,597 observations
Eastern Gray Squirrel
Sciurus carolinensis
7,489 observations
Common Eastern Bumble Bee
Bombus impatiens
7,023 observations
Mallard
Anas platyrhynchos
6,813 observations
Canada Goose
Branta canadensis
6,732 observations
Red-winged Blackbird
Agelaius phoeniceus
6,451 observations
House Sparrow
Passer domesticus
6,099 observations
Northern Cardinal
Cardinalis cardinalis
5,394 observations
Common Milkweed
Asclepias syriaca
5,242 observations
Black Swallowtail
Papilio polyxenes
5,147 observations
Eastern Cottontail
Sylvilagus floridanus
4,576 observations
Western Honey Bee
Apis mellifera
4,351 observations
Great Blue Heron
Ardea herodias
4,260 observations
White-tailed Deer
Odocoileus virginianus
4,218 observations
Ring-billed Gull
Larus delawarensis
4,006 observations
American Goldfinch
Spinus tristis
3,589 observations
Downy Woodpecker
Dryobates pubescens
3,297 observations
Black-crowned Night Heron
Nycticorax nycticorax
3,295 observations
Red-tailed Hawk
Buteo jamaicensis
3,234 observations
Rock Pigeon
Columba livia
3,210 observations
Red Admiral
Vanessa atalanta
3,135 observations
Brown-belted Bumble Bee
Bombus griseocollis
3,110 observations
Large Milkweed Bug
Oncopeltus fasciatus
2,995 observations
Red-breasted Merganser
Mergus serrator
2,896 observations
Asian Lady Beetle
Harmonia axyridis
2,837 observations
Cooper's Hawk
Astur cooperii
2,681 observations · iNaturalist
Dark-eyed Junco
Junco hyemalis
2,673 observations
Two-spotted Bumble Bee
Bombus bimaculatus
2,619 observations
Mourning Dove
Zenaida macroura
2,607 observations

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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