Lake birding habitat

Dewey's Pasture Wildlife Management Area - Trumbull Lake

Iowa · Midwest

Habitat
LakeGrasslandWetland
Best Seasons
Difficulty

Moderate

Best Months

April-May, September-October

About This Location

Dewey's Pasture Wildlife Management Area - Trumbull Lake is a productive birding destination in Iowa, with 237 species recorded on eBird. This lake and grassland habitat attracts Canada Goose, Trumpeter Swan, 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

Common Loon

Gavia immer

6/12/2026Millers Bay - West Okoboji Lake US-IA (43.3780,-95.1803)1 observed

Clay-colored Sparrow

Spizella pallida

6/8/2026Elk Lake WMA1 observed

Recent Observations

Species reported at this location in the last 14 days

Wood Duck

106/10/2026

Mallard

26/10/2026

Mourning Dove

26/10/2026

American Coot

26/10/2026

Forster's Tern

26/10/2026

Double-crested Cormorant

16/10/2026

American White Pelican

106/10/2026

Eastern Kingbird

16/10/2026

Gray Catbird

26/10/2026

Northern Yellow Warbler

86/10/2026

Canada Goose

326/8/2026

Trumpeter Swan

16/8/2026

Blue-winged Teal

56/8/2026

Gadwall

26/8/2026

Redhead

66/8/2026

Ruddy Duck

76/8/2026

Virginia Rail

26/8/2026

Common Gallinule

26/8/2026

Killdeer

26/8/2026

Black Tern

206/8/2026

Birding Tips

  1. 1

    Scan the water surface methodically for diving ducks, loons, and grebes.

  2. 2

    Check the shoreline and mudflats for shorebirds and wading birds.

  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 Dewey's Pasture Wildlife Management Area - Trumbull Lake for birding?
The best months to visit Dewey's Pasture Wildlife Management Area - Trumbull Lake for birding are April-May, September-October. The best seasons are Spring and Fall.
What birds can I see at Dewey's Pasture Wildlife Management Area - Trumbull Lake?
Notable species at Dewey's Pasture Wildlife Management Area - Trumbull Lake include Canada Goose, Trumpeter Swan, Mallard, Ring-necked Duck, Bufflehead. The area supports lake, grassland, wetland habitats.
How difficult is birding at Dewey's Pasture Wildlife Management Area - Trumbull Lake?
Birding at Dewey's Pasture Wildlife Management Area - Trumbull Lake is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
What amenities are available at Dewey's Pasture Wildlife Management Area - Trumbull Lake?
Dewey's Pasture Wildlife Management Area - Trumbull Lake offers the following amenities: Parking, Trails.