a forest filled with lots of green trees

Illinois Beach State Park - South Unit

Illinois · Midwest

Habitat
Coastal
Best Seasons
Difficulty

Easy

Best Months

April-May, September-October

Entrance Fee

Free

Hours

Open daily, sunrise to sunset

About This Location

Illinois Beach State Park - South Unit is a productive birding destination in Illinois, with 319 species recorded on eBird. This coastal habitat attracts Canada Goose, Trumpeter Swan, and Canvasback among many others. Spring migration along the Mississippi and Central Flyways makes this a vital stopover for diverse species.

Location

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Notable Species

Live Bird Data

Powered by eBird / Cornell Lab of Ornithology

Notable Sightings

Rare or unusual species spotted nearby in the last 14 days

Least Flycatcher

Empidonax minimus

7/21/2026Illinois Beach SP (South Unit)--Youth Area and Main Road1 observed

Merlin

Falco columbarius

7/21/2026Allendale1 observed

Snow Goose

Anser caerulescens

7/20/2026Home2 observed

Hudsonian Whimbrel

Numenius hudsonicus

7/20/2026Illinois Beach SP (South Unit)--Nature Center Trails and Dead River1 observed

Common Loon

Gavia immer

7/20/2026Illinois Beach SP (South Unit)--general1 observed

Tennessee Warbler

Leiothlypis peregrina

7/20/2026Illinois Beach SP (North Unit)--Sand Pond and Beach Access Trails1 observed

Common Merganser

Mergus merganser

7/20/2026Illinois Beach SP (North Unit)--Sand Pond and Beach Access Trails1 observed

Bell's Vireo

Vireo bellii

7/20/2026Illinois Beach SP (North Unit)--general1 observed

Ruby-crowned Kinglet

Corthylio calendula

7/19/2026Middlefork Savanna Forest Preserve1 observed

Yellow-rumped Warbler (Myrtle)

Setophaga coronata

7/19/2026Middlefork Savanna Forest Preserve1 observed

Northern Harrier

Circus hudsonius

7/19/2026Middlefork Savanna Forest Preserve1 observed

Broad-winged Hawk

Buteo platypterus

7/19/2026Bur Oak Residence Lake Forest2 observed

Recent Observations

Species reported at this location in the last 14 days

Canada Goose

67/20/2026

Mourning Dove

17/20/2026

Chimney Swift

57/20/2026

Sandhill Crane

27/20/2026

Ring-billed Gull

7/20/2026

Red-headed Woodpecker

27/20/2026

Eastern Kingbird

27/20/2026

Eastern Warbling Vireo

17/20/2026

Bank Swallow

87/20/2026

Barn Swallow

127/20/2026

Blue-gray Gnatcatcher

27/20/2026

Eastern Bluebird

17/20/2026

Cedar Waxwing

57/20/2026

American Goldfinch

37/20/2026

Red-winged Blackbird

57/20/2026

Common Yellowthroat

17/20/2026

Northern Cardinal

17/20/2026

Indigo Bunting

17/20/2026

Wood Duck

77/20/2026

Mallard

67/20/2026

Birding Tips

  1. 1

    Check rocky shorelines and jetties at low tide for shorebirds.

  2. 2

    Scan offshore waters with a spotting scope for seabirds and waterfowl.

  3. 3

    Time your visit during the first week of May for maximum species diversity.

  4. 4

    Consider purchasing an annual parks pass if you plan to visit multiple times.

  5. 5

    Onshore winds can push pelagic species closer to shore, making post-storm days excellent for rarities.

Frequently Asked Questions

When is the best time to visit Illinois Beach State Park - South Unit for birding?
The best months to visit Illinois Beach State Park - South Unit for birding are April-May, September-October. The best seasons are Spring and Fall.
What birds can I see at Illinois Beach State Park - South Unit?
Notable species at Illinois Beach State Park - South Unit include Canada Goose, Trumpeter Swan, Canvasback, Common Goldeneye, Ring-billed Gull, Mallard, Mourning Dove, Killdeer, American Herring Gull, Blue Jay, American Crow, European Starling. The area supports coastal habitats.
How difficult is birding at Illinois Beach State Park - South Unit?
Birding at Illinois Beach State Park - South Unit is rated as Easy. The trails and viewing areas are accessible for birders of all experience levels.
Is there an entrance fee at Illinois Beach State Park - South Unit?
There is no entrance fee at Illinois Beach State Park - South Unit. Hours: Open daily, sunrise to sunset.
What amenities are available at Illinois Beach State Park - South Unit?
Illinois Beach State Park - South Unit offers the following amenities: Parking, Restrooms, Trails, Visitor Center.