Rainbow Flowage

Wisconsin · Midwest

Habitat
GrasslandWetland
Best Seasons
SpringFall
Difficulty

Moderate

Best Months

April-May, September-October

About This Location

Rainbow Flowage is a productive birding destination in Wisconsin, with 203 species recorded on eBird. This grassland and wetland 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-headed Woodpecker

Melanerpes erythrocephalus

3/5/2026Oak Rock1 observed

Northern Flicker

Colaptes auratus

3/5/2026-Harshaw1 observed

Red-winged Blackbird

Agelaius phoeniceus

3/4/2026WI - Oneida Co. west Manor Rd.1 observed

Ring-necked Duck

Aythya collaris

3/3/2026Wisconsin River at Norway Street1 observed

Red-tailed Hawk

Buteo jamaicensis

2/28/20262951–2995 US-45, Conover US-WI 45.99349, -89.255121 observed

House Finch

Haemorhous mexicanus

2/27/20269031 observed

Belted Kingfisher

Megaceryle alcyon

2/22/2026Otter Rapids Dam1 observed

Birding Tips

  1. 1

    Scan fence posts and utility wires for perching raptors and kingbirds.

  2. 2

    Walk field edges at dawn when sparrows and grassland species are most vocal.

  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 Rainbow Flowage for birding?
The best months to visit Rainbow Flowage for birding are April-May, September-October. The best seasons are Spring and Fall.
What birds can I see at Rainbow Flowage?
Notable species at Rainbow Flowage include Eastern Meadowlark, Dickcissel, Grasshopper Sparrow, Northern Harrier, Bobolink. The area supports grassland, wetland habitats.
How difficult is birding at Rainbow Flowage?
Birding at Rainbow Flowage is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
What amenities are available at Rainbow Flowage?
Rainbow Flowage offers the following amenities: Parking, Trails.