Vernon Marsh - Inner & Outer DU Dikes/Figure 8

Wisconsin · Midwest

Habitat
Wetland
Best Seasons
SpringFall
Difficulty

Moderate

Best Months

April-May, September-October

About This Location

Vernon Marsh - Inner & Outer DU Dikes/Figure 8 is a productive birding destination in Wisconsin, with 230 species recorded on eBird. This wetland habitat attracts Canada Goose, Mallard, and American Black Duck 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

3/4/2026Beaver Dam Lake (Waukesha Co.)2 observed

Townsend's Solitaire

Myadestes townsendi

3/4/2026S4W32726 Government Hill Rd, Delafield US-WI (43.0312,-88.3970)1 observed

Red Crossbill

Loxia curvirostra

3/2/2026Frame Park1 observed

Greater Scaup

Aythya marila

3/1/2026Rivers Crossing Park1 observed

Blue-winged Teal

Spatula discors

2/28/2026Vernon Marsh--Inner & Outer DU Dikes/Figure 82 observed

Turkey Vulture

Cathartes aura

2/26/2026W349S3940–W349S4028 Waterville Rd, North Prairie US-WI 42.97342, -88.442481 observed

Ross's Goose

Anser rossii

2/22/2026Prince’s Point SWA--Hwy. 1061 observed

Red-shouldered Hawk

Buteo lineatus

2/22/2026Sullivan1 observed

Recent Observations

Species reported at this location in the last 14 days

Canada Goose

503/5/2026

Common Goldeneye

123/5/2026

Rock Pigeon

23/5/2026

Sandhill Crane

3/5/2026

Blue Jay

23/5/2026

American Crow

53/5/2026

Black-capped Chickadee

3/5/2026

American Robin

23/5/2026

Red-winged Blackbird

123/5/2026

Northern Cardinal

23/5/2026

Mallard

163/4/2026

American Black Duck

13/4/2026

Common Merganser

43/4/2026

Red-tailed Hawk

13/4/2026

Downy Woodpecker

13/4/2026

House Finch

13/4/2026

American Goldfinch

13/4/2026

American Tree Sparrow

23/4/2026

Dark-eyed Junco

33/4/2026

Mourning Dove

33/3/2026

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 Vernon Marsh - Inner & Outer DU Dikes/Figure 8 for birding?
The best months to visit Vernon Marsh - Inner & Outer DU Dikes/Figure 8 for birding are April-May, September-October. The best seasons are Spring and Fall.
What birds can I see at Vernon Marsh - Inner & Outer DU Dikes/Figure 8?
Notable species at Vernon Marsh - Inner & Outer DU Dikes/Figure 8 include Canada Goose, Mallard, American Black Duck, Common Merganser, Red-tailed Hawk. The area supports wetland habitats.
How difficult is birding at Vernon Marsh - Inner & Outer DU Dikes/Figure 8?
Birding at Vernon Marsh - Inner & Outer DU Dikes/Figure 8 is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
What amenities are available at Vernon Marsh - Inner & Outer DU Dikes/Figure 8?
Vernon Marsh - Inner & Outer DU Dikes/Figure 8 offers the following amenities: Parking, Trails.