Ducks, Geese & Swans in Swansea
Our list for Swansea has 17 ducks, geese & swans recorded regularly there: 5 residents, 9 winter visitors and 3 passage migrants
Most likely in October
GBIF · OctShare of all bird records in Swansea in October, 2019–2024. Each month links to that month’s page.
All 17, most common first
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year
Common ShelduckTadorna tadornaWinter visitorCommon58–67 cmRegularly Aug–Jun
Eurasian WigeonMareca penelopeWinter visitorCommon42–51 cmRegularly Oct–Feb
Brent GooseBranta berniclaWinter visitorCommon55–66 cmRegularly Oct–Feb
Eurasian TealAnas creccaWinter visitorCommon34–38 cmRegularly Aug–Mar
Mute SwanCygnus olorWinter visitorCommon140–160 cmRegularly Sep–May
Greylag GooseAnser anserWinter visitorCommon75–90 cmRegularly Apr–Feb
Northern PintailAnas acutaWinter visitorCommon59–76 cmRegularly Oct–Feb
Canada GooseBranta canadensisResidentCommon76–110 cmRegularly Jan–Oct
Tufted DuckAythya fuligulaWinter visitorUncommon40–47 cmRegularly Dec–Jul
EiderSomateria mollissimaWinter visitorUncommon50–71 cmRegularly Sep–Feb
Common ScoterMelanitta nigraPassage migrantUncommon43–54 cmRegularly Aug–Mar
GadwallMareca streperaResidentUncommon46–56 cmRegularly Jan–Feb
Red-breasted MerganserMergus serratorResidentUncommon52–58 cmRegularly Jan
Common MerganserMergus merganserPassage migrantUncommon58–68 cmRegularly Dec–Mar
Greater ScaupAythya marilaPassage migrantUncommon39–56 cmRegularly Dec–Jan
Northern ShovelerSpatula clypeataResidentUncommon44–51 cmRegularly Jan
Smallest to largest
Length, cm- Eurasian Teal 34–38 cm
- Tufted Duck 40–47 cm
- Eurasian Wigeon 42–51 cm
- Greater Scaup 39–56 cm
- Northern Shoveler 44–51 cm
- Common Scoter 43–54 cm
- Gadwall 46–56 cm
- Red-breasted Merganser 52–58 cm
- Mallard 50–65 cm
- Brent Goose 55–66 cm
- Eider 50–71 cm
- Common Shelduck 58–67 cm
- Common Merganser 58–68 cm
- Northern Pintail 59–76 cm
- Greylag Goose 75–90 cm
- Canada Goose 76–110 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