Wetland birding habitat

Bark Bay Slough State Natural Area

Wisconsin · Midwest

Habitat
WetlandCoastal
Best Seasons
Difficulty

Moderate

Best Months

April-May, September-October

About This Location

Bark Bay Slough State Natural Area is a productive birding destination in Wisconsin, with 210 species recorded on eBird. This wetland and coastal habitat attracts a wide variety of species 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

Red Crossbill (Ponderosa Pine or type 2)

Loxia curvirostra

7/18/2026Brinks Rd, Mason US-WI 46.60536, -91.203044 observed

Red Crossbill (Douglas-fir or type 4)

Loxia curvirostra

7/18/2026Brinks Rd, Mason US-WI 46.60536, -91.203042 observed

Tennessee Warbler

Leiothlypis peregrina

7/15/2026Bourgo Home1 observed

Recent Observations

Species reported at this location in the last 14 days

Trumpeter Swan

67/20/2026

Ruby-throated Hummingbird

17/20/2026

Solitary Sandpiper

17/20/2026

Lesser Yellowlegs

27/20/2026

Greater Yellowlegs

67/20/2026

Least Sandpiper

97/20/2026

Semipalmated Sandpiper

17/20/2026

Ring-billed Gull

27/20/2026

American Herring Gull

17/20/2026

Great Blue Heron

17/20/2026

Turkey Vulture

47/20/2026

Belted Kingfisher

17/20/2026

Northern Flicker

17/20/2026

Alder Flycatcher

17/20/2026

Eastern Phoebe

17/20/2026

Eastern Kingbird

37/20/2026

American Crow

27/20/2026

Black-capped Chickadee

77/20/2026

Tree Swallow

37/20/2026

Red-breasted Nuthatch

17/20/2026

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 Bark Bay Slough State Natural Area for birding?
The best months to visit Bark Bay Slough State Natural Area for birding are April-May, September-October. The best seasons are Spring and Fall.
What birds can I see at Bark Bay Slough State Natural Area?
Notable species at Bark Bay Slough State Natural Area include Great Blue Heron, Red-winged Blackbird, Mallard, Green Heron, Virginia Rail. The area supports wetland, coastal habitats.
How difficult is birding at Bark Bay Slough State Natural Area?
Birding at Bark Bay Slough State Natural Area is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
What amenities are available at Bark Bay Slough State Natural Area?
Bark Bay Slough State Natural Area offers the following amenities: Parking, Trails.