Migration timing

When do redpolls arrive in Wisconsin?

The Common Redpoll is a winter visitor in Wisconsin — here is when to expect it, when it leaves, and how to be ready.

Common Redpoll, verified photograph
Photo: Wikimedia Commons

Common Redpoll timing in Wisconsin

Arrives
Around September
Leaves
By April
Status here
Winter visitor
Present roughly
September–April

In Wisconsin, redpolls are a cold-season bird, arriving around September and heading back north to breed by April.

These windows are set by latitude: Wisconsin sits in the middle part of this species' range, so timing here tracks the continental average closely. In any given year, weather can move the first arrivals by a week or two either way.

Month by month in this state

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Highlighted months are when redpolls are expected in Wisconsin. The edges of the window are the interesting weeks — first arrivals and last departures vary most from year to year.

Getting ready before they arrive

The week before September is the time to act. Have feeders cleaned, filled and out by early September — the first redpolls into Wisconsin are scouting for reliable food, and a station that's ready early gets added to their route.

Through the winter, consistent food matters more than variety — birds map dependable stations into their daily routes and rely on them hardest during cold snaps.

What redpolls eat while they're here

  • Birch seed and feeder nyjer

Redpolls survive −60°F nights with a throat pouch that stores seed; they arrive at feeders in irruption winters.

Full Common Redpoll diet guide → · Best feeder for redpolls →

Native plants that hold redpolls in Wisconsin

Food keeps a migrant for a day; habitat keeps it for the season. These Wisconsin-native plants are known to attract redpolls:

Wild bergamot
Monarda fistulosa · Perennial

Tubular flowers for hummingbirds and seed heads for finches.

Purple coneflower
Echinacea purpurea · Perennial

Leave seed heads up through winter for goldfinches.

Black-eyed Susan
Rudbeckia hirta · Perennial

Prolific seed heads for finches and sparrows.

Common sunflower
Helianthus annuus · Perennial

Annual native sunflower — the original feeder seed.

New England aster
Symphyotrichum novae-angliae · Perennial

Late nectar for insects and fall seed for sparrows.

Little bluestem
Schizachyrium scoparium · Perennial

Native bunchgrass; winter seed and ground cover for sparrows and juncos.

Tall goldenrod
Solidago altissima · Perennial

Insect-rich in fall and seed in winter.

Paper birch
Betula papyrifera · Tree

Catkin seed feeds redpolls and siskins all winter.

Keep exploring

Frequently asked

When do redpolls arrive in Wisconsin?

redpolls typically arrive in Wisconsin around September. Timing can shift a week or two with the weather in any given year.

When do redpolls leave Wisconsin?

Most redpolls have left Wisconsin by April. They spend the breeding season farther north and return in the fall.

Do redpolls stay in Wisconsin all year?

No — in Wisconsin the Common Redpoll is a winter visitor, present roughly September–April. Outside that window it is rarely seen in the state.

What should I put out before redpolls arrive in Wisconsin?

Have feeders up and clean by early September — first arrivals scout reliable food sources. Good offerings for this species: seeds and insects on the tundra.

Sources

  1. Common Redpoll — All About Birds, Cornell Lab of Ornithology
  2. Common Redpoll life history — Cornell Lab of Ornithology
  3. Common Redpoll — Audubon Guide to North American Birds
  4. eBird region overview and bar charts — Wisconsin
  5. USDA Plant Hardiness Zone Map (2023)
  6. Audubon Native Plants Database

Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.