Ducks, Geese & Swans in Eilean Siar
Our list for Eilean Siar has 26 ducks, geese & swans recorded regularly there: 5 residents, 6 summer visitors, 5 winter visitors, 8 passage migrants and 2 scarce visitors
Most likely in October
GBIF · OctShare of all bird records in Eilean Siar in October, 2019–2024. Each month links to that month’s page.
All 26, most common first
Greylag GooseAnser anserResidentCommon75–90 cmRecorded all year
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year
Eurasian WigeonMareca penelopeWinter visitorCommon42–51 cmRegularly Aug–Jun
Tufted DuckAythya fuligulaSummer visitorCommon40–47 cmRegularly Mar–Jan
Long-tailed DuckClangula hyemalisWinter visitorCommon37–60 cmRegularly Oct–May
Eurasian TealAnas creccaWinter visitorCommon34–38 cmRecorded all year
Red-breasted MerganserMergus serratorSummer visitorCommon52–58 cmRegularly Mar–Jan
EiderSomateria mollissimaSummer visitorCommon50–71 cmRegularly Mar–Jan
Whooper SwanCygnus cygnusResidentCommon140–165 cmRecorded all year
GoldeneyeBucephala clangulaWinter visitorCommon40–51 cmRegularly Oct–Apr
Barnacle GooseBranta leucopsisPassage migrantCommon58–70 cmRegularly Oct–May
Mute SwanCygnus olorSummer visitorCommon140–160 cmRegularly Mar–Jan
Common ShelduckTadorna tadornaSummer visitorCommon58–67 cmRegularly Jan–Oct
Pink-footed GooseAnser brachyrhynchusPassage migrantCommon60–75 cmRegularly Sep–Jun
Northern ShovelerSpatula clypeataSummer visitorCommon44–51 cmRegularly Apr–Jan
Common ScoterMelanitta nigraWinter visitorCommon43–54 cmRegularly Dec–Oct
GadwallMareca streperaPassage migrantUncommon46–56 cmRegularly Apr–Jan
Northern PintailAnas acutaPassage migrantUncommon59–76 cmRegularly Oct–Apr
Greater White-fronted GooseAnser albifronsPassage migrantUncommon64–81 cmRegularly Oct–Jan
Greater ScaupAythya marilaPassage migrantUncommon39–56 cmRegularly Nov
Brent GooseBranta berniclaPassage migrantUncommon55–66 cmRegularly Apr–Oct
Common MerganserMergus merganserResidentUncommon58–68 cmRegularly Apr–Oct
Velvet ScoterMelanitta fuscaScarceUncommon51–58 cm
Smallest to largest
Length, cm- Eurasian Teal 34–38 cm
- Garganey 37–41 cm
- Tufted Duck 40–47 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
- Common Scoter 43–54 cm
- Gadwall 46–56 cm
- Surf Scoter 48–60 cm
- Velvet Scoter 51–58 cm
- Red-breasted Merganser 52–58 cm
- Mallard 50–65 cm
- Eider 50–71 cm
- Brent Goose 55–66 cm
- Common Shelduck 58–67 cm
- Common Merganser 58–68 cm
- Barnacle Goose 58–70 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