Coastal birding habitat

Hennepin Canal - Big Island and Lock 31

Illinois · Midwest

Habitat
Coastal
Best Seasons
Difficulty

Challenging

Best Months

April-May, September-October

About This Location

Hennepin Canal - Big Island and Lock 31 is a productive birding destination in Illinois, with 222 species recorded on eBird. This coastal habitat attracts Greater White-fronted Goose, Canada Goose, and Mallard 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

Orange-crowned Warbler

Leiothlypis celata

4/15/2026Hennepin Canal--Big Island and Lock 313 observed

Trumpeter Swan

Cygnus buccinator

4/15/2026Zuma Creek Flats1 observed

Spotted Sandpiper

Actitis macularius

4/14/2026Glynns Creek Golf Course, Eldridge US-IA 41.72495, -90.523961 observed

Hudsonian Godwit

Limosa haemastica

4/14/2026Zuma Creek Flats1 observed

Great-tailed Grackle

Quiscalus mexicanus

4/13/2026Nahant Marsh2 observed

Ruby-throated Hummingbird

Archilochus colubris

4/13/2026Fejuvary1 observed

Palm Warbler

Setophaga palmarum

4/9/2026Mississippi River Lock & Dam 14 (Iowa)2 observed

Great Crested Flycatcher

Myiarchus crinitus

4/9/2026Willowbrook Farm (Private Access)1 observed

Yellow-rumped Warbler (Myrtle x Audubon's)

Setophaga coronata

4/9/2026Black Hawk Forest Nature Preserve1 observed

Gray Catbird

Dumetella carolinensis

4/8/2026Sayles Yard1 observed

Golden Eagle

Aquila chrysaetos

4/7/2026Sunset Park1 observed

Baltimore Oriole

Icterus galbula

4/4/202616th St. Ct. & 35th Ave, Rock Island1 observed

Northern Rough-winged Swallow

Stelgidopteryx serripennis

4/4/2026Old Green Valley Park, Moline2 observed

Marsh Wren

Cistothorus palustris

4/4/2026Old Green Valley Park, Moline1 observed

Purple Martin

Progne subis

4/3/2026Black Hawk Forest Nature Preserve1 observed

Recent Observations

Species reported at this location in the last 14 days

Canada Goose

84/15/2026

Wood Duck

24/15/2026

Mallard

14/15/2026

Mourning Dove

14/15/2026

Double-crested Cormorant

164/15/2026

Great Blue Heron

24/15/2026

American White Pelican

14/15/2026

Turkey Vulture

34/15/2026

Yellow-bellied Sapsucker

44/15/2026

Red-bellied Woodpecker

44/15/2026

Downy Woodpecker

24/15/2026

Black-capped Chickadee

34/15/2026

Tree Swallow

14/15/2026

Purple Martin

64/15/2026

Ruby-crowned Kinglet

34/15/2026

Brown Creeper

14/15/2026

Northern House Wren

34/15/2026

Carolina Wren

14/15/2026

European Starling

104/15/2026

Brown Thrasher

14/15/2026

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.

Frequently Asked Questions

When is the best time to visit Hennepin Canal - Big Island and Lock 31 for birding?
The best months to visit Hennepin Canal - Big Island and Lock 31 for birding are April-May, September-October. The best seasons are Spring and Fall.
What birds can I see at Hennepin Canal - Big Island and Lock 31?
Notable species at Hennepin Canal - Big Island and Lock 31 include Greater White-fronted Goose, Canada Goose, Mallard, Rock Pigeon, Mourning Dove. The area supports coastal habitats.
How difficult is birding at Hennepin Canal - Big Island and Lock 31?
Birding at Hennepin Canal - Big Island and Lock 31 is rated as Challenging. The terrain can be challenging and may require good physical fitness and preparation.
What amenities are available at Hennepin Canal - Big Island and Lock 31?
Hennepin Canal - Big Island and Lock 31 offers the following amenities: Parking, Trails.