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

Rufous Hummingbird

Selasphorus rufus

4/13/2026Dickinson1 observed

Recent Observations

Species reported at this location in the last 14 days

Canada Goose

74/21/2026

Blue-winged Teal

104/21/2026

Mallard

44/21/2026

Ring-necked Pheasant

14/21/2026

Killdeer

14/21/2026

Red-winged Blackbird

24/21/2026

Common Grackle

14/21/2026

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.