Ducks, Geese & Swans in Mayo
Our list for Mayo has 26 ducks, geese & swans recorded regularly there: 4 residents, 13 winter visitors, 7 passage migrants and 2 scarce visitors
Most likely in October
GBIF · Oct
Share of all bird records in Mayo in October, 2019–2024. Each month links to that month’s page.
All 26, most common first
Smallest to largest
Length, cm- Eurasian Teal 34–38 cm
- Tufted Duck 40–47 cm
- Goldeneye 40–51 cm
- Pochard 42–49 cm
- Eurasian Wigeon 42–51 cm
- Northern Shoveler 44–51 cm
- Greater Scaup 39–56 cm
- Common Scoter 43–54 cm
- Long-tailed Duck 37–60 cm
- Gadwall 46–56 cm
- Red-breasted Merganser 52–58 cm
- American Black Duck 54–59 cm
- Mallard 50–65 cm
- Brent Goose 55–66 cm
- Eider 50–71 cm
- Common Shelduck 58–67 cm
- Common Merganser 58–68 cm
- Barnacle Goose 58–70 cm
- Cackling Goose 53–76 cm
- Pink-footed Goose 60–75 cm
- Northern Pintail 59–76 cm
- Greater White-fronted Goose 64–81 cm
- Greylag Goose 75–90 cm
- Canada Goose 76–110 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