Ducks, Geese & Swans in Wisconsin
Our list for Wisconsin has 29 ducks, geese & swans recorded regularly there: 3 residents, 2 summer visitors, 17 winter visitors, 6 passage migrants and 1 scarce visitor
Most likely in October
GBIF · Oct
Share of all bird records in Wisconsin in October, 2019–2024. Each month links to that month’s page.
All 29, most common first
Tufted DuckAythya fuligulaScarceRare40–47 cm
Greylag GooseAnser anserWinter visitorRare75–90 cmRecorded all year
Cinnamon TealSpatula cyanopteraPassage migrantRare36–43 cmRegularly Apr–May
Eurasian WigeonMareca penelopePassage migrantRare42–51 cmRegularly Mar–Apr
Whooper SwanCygnus cygnusPassage migrantRare140–165 cmRegularly Apr–Oct
Swan GooseAnser cygnoidesPassage migrantRare81–94 cmRegularly Jan
Smallest to largest
Length, cm- Eurasian Teal 34–38 cm
- Ruddy Duck 35–43 cm
- Cinnamon Teal 36–43 cm
- Tufted Duck 40–47 cm
- Hooded Merganser 40–49 cm
- Goldeneye 40–51 cm
- Eurasian Wigeon 42–51 cm
- Northern Shoveler 44–51 cm
- Greater Scaup 39–56 cm
- Long-tailed Duck 37–60 cm
- Wood Duck 47–54 cm
- Gadwall 46–56 cm
- Surf Scoter 48–60 cm
- Red-breasted Merganser 52–58 cm
- American Black Duck 54–59 cm
- Mallard 50–65 cm
- Ross's Goose 57–64 cm
- Common Merganser 58–68 cm
- Cackling Goose 53–76 cm
- Northern Pintail 59–76 cm
- Greater White-fronted Goose 64–81 cm
- Snow Goose 69–84 cm
- Greylag Goose 75–90 cm
- Swan Goose 81–94 cm
- Canada Goose 76–110 cm
- Tundra Swan 120–150 cm
- Trumpeter Swan 139–157 cm
- Mute Swan 140–160 cm
- Whooper Swan 140–165 cm
Body length, bill to tail. Rare birds in grey.
Data: EOD – eBird Observation Dataset (Cornell Lab of Ornithology), accessed via GBIF.org, CC BY 4.0. Records from 2019–2024, aggregated and filtered by Birdfact. How these lists are made