Ducks, Geese & Swans in West Dunbartonshire
Our list for West Dunbartonshire has 16 ducks, geese & swans recorded regularly there: 8 residents, 2 summer visitors and 6 passage migrants
Most likely in October
GBIF · OctShare of all bird records in West Dunbartonshire in October, 2019–2024. Each month links to that month’s page.
All 16, most common first
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year
Mute SwanCygnus olorResidentCommon140–160 cmRecorded all year
GoldeneyeBucephala clangulaPassage migrantCommon40–51 cmRegularly Jan–Apr
Common MerganserMergus merganserResidentCommon58–68 cmRegularly Sep–Jul
Greater White-fronted GooseAnser albifronsPassage migrantCommon64–81 cmRegularly Jan
Whooper SwanCygnus cygnusPassage migrantCommon140–165 cmRegularly Feb
Mandarin DuckAix galericulataResidentCommon41–49 cmRegularly Dec–Jan
Eurasian WigeonMareca penelopePassage migrantCommon42–51 cmRegularly Oct–Feb
Tufted DuckAythya fuligulaResidentCommon40–47 cmRegularly Jan–May
Canada GooseBranta canadensisSummer visitorCommon76–110 cmRegularly Apr–Jan
Red-breasted MerganserMergus serratorSummer visitorCommon52–58 cmRegularly Jan–Aug
Eurasian TealAnas creccaPassage migrantCommon34–38 cmRegularly Jan–Apr
Greylag GooseAnser anserResidentCommon75–90 cmRegularly Jan–Sep
Pink-footed GooseAnser brachyrhynchusPassage migrantCommon60–75 cmRegularly Jan–Apr
Common ShelduckTadorna tadornaResidentCommon58–67 cmRegularly Apr–May
EiderSomateria mollissimaResidentUncommon50–71 cmRegularly Apr–May
Smallest to largest
Length, cm- Eurasian Teal 34–38 cm
- Tufted Duck 40–47 cm
- Mandarin Duck 41–49 cm
- Goldeneye 40–51 cm
- Eurasian Wigeon 42–51 cm
- Red-breasted Merganser 52–58 cm
- Mallard 50–65 cm
- Eider 50–71 cm
- Common Shelduck 58–67 cm
- Common Merganser 58–68 cm
- Pink-footed Goose 60–75 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