Ducks, Geese & Swans in Connecticut
Our list for Connecticut has 29 ducks, geese & swans recorded regularly there: 4 residents, 1 summer visitor, 21 winter visitors, 2 passage migrants and 1 scarce visitor
Most likely in October
GBIF · Oct
Share of all bird records in Connecticut in October, 2019–2024. Each month links to that month’s page.
All 29, most common first
Tundra SwanCygnus columbianusWinter visitorRare120–150 cmRegularly Dec–Mar
Tufted DuckAythya fuligulaWinter visitorRare40–47 cmRegularly Dec–Mar
Cackling GooseBranta hutchinsiiWinter visitorRare53–76 cmRegularly Oct–Mar
King EiderSomateria spectabilisPassage migrantRare46–64 cmRegularly Jan
Greylag GooseAnser anserScarceRare75–90 cm
Muscovy DuckCairina moschataResidentRare66–84 cmRegularly Mar–Dec
Smallest to largest
Length, cm- Eurasian Teal 34–38 cm
- Ruddy Duck 35–43 cm
- Tufted Duck 40–47 cm
- Hooded Merganser 40–49 cm
- Goldeneye 40–51 cm
- Eurasian Wigeon 42–51 cm
- Greater Scaup 39–56 cm
- Northern Shoveler 44–51 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
- King Eider 46–64 cm
- American Black Duck 54–59 cm
- Mallard 50–65 cm
- Brent Goose 55–66 cm
- Eider 50–71 cm
- Common Merganser 58–68 cm
- Cackling Goose 53–76 cm
- Northern Pintail 59–76 cm
- Pink-footed Goose 60–75 cm
- Greater White-fronted Goose 64–81 cm
- Muscovy Duck 66–84 cm
- Snow Goose 69–84 cm
- Greylag Goose 75–90 cm
- Canada Goose 76–110 cm
- Tundra Swan 120–150 cm
- Mute Swan 140–160 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