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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.

137,020
recent observations
30
species listed
17
birds
9
insects & arthropods
3
mammals

Naturalists have logged 137,020 research-grade observations across the 30 most-recorded species near Chicago. The most frequently seen is the Monarch, with 8,309 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
8,309 observations
Eastern Gray Squirrel
Sciurus carolinensis
7,636 observations
American Robin
Turdus migratorius
7,625 observations
Common Eastern Bumble Bee
Bombus impatiens
7,119 observations
Mallard
Anas platyrhynchos
6,848 observations
Canada Goose
Branta canadensis
6,796 observations
Red-winged Blackbird
Agelaius phoeniceus
6,463 observations
House Sparrow
Passer domesticus
6,134 observations
Northern Cardinal
Cardinalis cardinalis
5,426 observations
Common Milkweed
Asclepias syriaca
5,273 observations
Black Swallowtail
Papilio polyxenes
5,182 observations
Eastern Cottontail
Sylvilagus floridanus
4,624 observations
Western Honey Bee
Apis mellifera
4,384 observations
Great Blue Heron
Ardea herodias
4,344 observations
White-tailed Deer
Odocoileus virginianus
4,242 observations
Ring-billed Gull
Larus delawarensis
4,037 observations
American Goldfinch
Spinus tristis
3,614 observations
Downy Woodpecker
Dryobates pubescens
3,332 observations
Black-crowned Night Heron
Nycticorax nycticorax
3,310 observations
Red-tailed Hawk
Buteo jamaicensis
3,263 observations
Rock Pigeon
Columba livia
3,242 observations
Brown-belted Bumble Bee
Bombus griseocollis
3,150 observations
Red Admiral
Vanessa atalanta
3,142 observations
Large Milkweed Bug
Oncopeltus fasciatus
3,050 observations
Red-breasted Merganser
Mergus serrator
2,901 observations
Asian Lady Beetle
Harmonia axyridis
2,874 observations
Cooper's Hawk
Astur cooperii
2,727 observations · iNaturalist
Dark-eyed Junco
Junco hyemalis
2,712 observations
Mourning Dove
Zenaida macroura
2,631 observations
Two-spotted Bumble Bee
Bombus bimaculatus
2,630 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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