Collins Marsh State Wildlife Area

Wisconsin · Midwest

Habitat
Wetland
Best Seasons
SpringFall
Difficulty

Moderate

Best Months

April-May, September-October

About This Location

Collins Marsh State Wildlife Area is a productive birding destination in Wisconsin, with 243 species recorded on eBird. This wetland habitat attracts Canada Goose, Mallard, and Sandhill Crane 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

Harlequin Duck

Histrionicus histrionicus

3/5/2026Manitowoc Lakefront2 observed

White-winged Crossbill

Loxia leucoptera

3/3/2026Home4 observed

Common Raven

Corvus corax

3/2/2026Killsnake SWA--Aebischer Rd.1 observed

Tundra Swan

Cygnus columbianus

2/28/2026Collins Marsh SWA2 observed

Ruddy Duck

Oxyura jamaicensis

2/27/2026Manitowoc Yacht Club1 observed

Green-winged Teal

Anas crecca

2/27/2026Manitowoc Impoundment4 observed

Recent Observations

Species reported at this location in the last 14 days

Canada Goose

713/5/2026

Mallard

153/5/2026

Sandhill Crane

73/5/2026

American Herring Gull

213/5/2026

Bald Eagle

13/5/2026

Blue Jay

13/5/2026

American Crow

43/5/2026

European Starling

23/5/2026

American Tree Sparrow

23/5/2026

Red-winged Blackbird

43/5/2026

Ring-billed Gull

153/5/2026

Red-tailed Hawk

13/5/2026

Downy Woodpecker

23/5/2026

House Sparrow

13/5/2026

Trumpeter Swan

23/3/2026

American Black Duck

23/3/2026

Northern Pintail

23/3/2026

Common Merganser

23/3/2026

Mourning Dove

53/3/2026

Rough-legged Hawk

13/3/2026

Birding Tips

  1. 1

    Bring waterproof boots for marsh trails and muddy edges.

  2. 2

    Scan the edges of open water for herons, egrets, and rails at dawn.

  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 Collins Marsh State Wildlife Area for birding?
The best months to visit Collins Marsh State Wildlife Area for birding are April-May, September-October. The best seasons are Spring and Fall.
What birds can I see at Collins Marsh State Wildlife Area?
Notable species at Collins Marsh State Wildlife Area include Canada Goose, Mallard, Sandhill Crane, American Herring Gull, Bald Eagle. The area supports wetland habitats.
How difficult is birding at Collins Marsh State Wildlife Area?
Birding at Collins Marsh State Wildlife Area is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
What amenities are available at Collins Marsh State Wildlife Area?
Collins Marsh State Wildlife Area offers the following amenities: Parking, Trails.