Grassland birding habitat

Detweiller Riverside

Illinois · Midwest

Habitat
GrasslandWetland
Best Seasons
Difficulty

Moderate

Best Months

April-May, September-October

About This Location

Detweiller Riverside is a productive birding destination in Illinois, with 201 species recorded on eBird. This grassland and wetland habitat attracts Common Goldeneye, Mourning Dove, and Cooper's Hawk 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

Trumpeter Swan

Cygnus buccinator

5/29/2026Mendenhall Rd, Bartonville US-IL (40.6156,-89.6535)2 observed

Black-necked Stilt

Himantopus mexicanus

5/27/2026Mendenhall Park2 observed

Common Loon

Gavia immer

5/25/2026Camp Dallas, Spring Bay1 observed

Yellow-rumped Warbler

Setophaga coronata

5/25/2026Jubilee College State Park1 observed

Fish Crow

Corvus ossifragus

5/24/202661611, East Peoria US-IL (40.6862,-89.5777)1 observed

Recent Observations

Species reported at this location in the last 14 days

Mourning Dove

15/29/2026

Killdeer

25/29/2026

Red-tailed Hawk

15/29/2026

Northern Flicker

15/29/2026

Eastern Wood-Pewee

15/29/2026

Tree Swallow

15/29/2026

Barn Swallow

15/29/2026

Northern House Wren

15/29/2026

Carolina Wren

15/29/2026

European Starling

35/29/2026

American Robin

35/29/2026

American Goldfinch

25/29/2026

Song Sparrow

25/29/2026

Red-winged Blackbird

25/29/2026

Brown-headed Cowbird

15/29/2026

Common Grackle

15/29/2026

Common Yellowthroat

15/29/2026

Northern Yellow Warbler

15/29/2026

Chestnut-sided Warbler

15/29/2026

Northern Cardinal

15/29/2026

Birding Tips

  1. 1

    Scan fence posts and utility wires for perching raptors and kingbirds.

  2. 2

    Walk field edges at dawn when sparrows and grassland species are most vocal.

  3. 3

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

Frequently Asked Questions

When is the best time to visit Detweiller Riverside for birding?
The best months to visit Detweiller Riverside for birding are April-May, September-October. The best seasons are Spring and Fall.
What birds can I see at Detweiller Riverside?
Notable species at Detweiller Riverside include Common Goldeneye, Mourning Dove, Cooper's Hawk, Bald Eagle, Black-capped Chickadee. The area supports grassland, wetland habitats.
How difficult is birding at Detweiller Riverside?
Birding at Detweiller Riverside is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
What amenities are available at Detweiller Riverside?
Detweiller Riverside offers the following amenities: Parking, Trails.