Ducks, Geese & Swans in Conwy
Our list for Conwy has 25 ducks, geese & swans recorded regularly there: 8 residents, 1 summer visitor, 9 winter visitors, 6 passage migrants and 1 scarce visitor
Most likely in October
GBIF · OctShare of all bird records in Conwy in October, 2019–2024. Each month links to that month’s page.
All 25, most common first
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year
Mute SwanCygnus olorResidentCommon140–160 cmRecorded all year
Common ScoterMelanitta nigraWinter visitorCommon43–54 cmRegularly Aug–May
Canada GooseBranta canadensisResidentCommon76–110 cmRecorded all year
Eurasian TealAnas creccaWinter visitorCommon34–38 cmRecorded all year
Red-breasted MerganserMergus serratorWinter visitorCommon52–58 cmRegularly Sep–May
Common ShelduckTadorna tadornaResidentCommon58–67 cmRegularly Sep–Jul
Eurasian WigeonMareca penelopeWinter visitorCommon42–51 cmRecorded all year
Northern ShovelerSpatula clypeataWinter visitorCommon44–51 cmRegularly Aug–May
GadwallMareca streperaResidentCommon46–56 cmRecorded all year
Tufted DuckAythya fuligulaResidentCommon40–47 cmRecorded all year
Greylag GooseAnser anserSummer visitorCommon75–90 cmRegularly Jan–Oct
Surf ScoterMelanitta perspicillataPassage migrantCommon48–60 cmRegularly Feb–Apr
Velvet ScoterMelanitta fuscaWinter visitorCommon51–58 cmRegularly Dec–Mar
PochardAythya ferinaWinter visitorCommon42–49 cmRegularly Sep–Apr
EiderSomateria mollissimaWinter visitorCommon50–71 cmRegularly Sep–Apr
Common MerganserMergus merganserResidentUncommon58–68 cmRecorded all year
Greater ScaupAythya marilaPassage migrantUncommon39–56 cmRegularly Nov–Jan
GoldeneyeBucephala clangulaWinter visitorUncommon40–51 cmRegularly Oct–Mar
Long-tailed DuckClangula hyemalisPassage migrantUncommon37–60 cmRegularly Nov
Northern PintailAnas acutaPassage migrantUncommon59–76 cmRegularly Sep–Jan
GarganeySpatula querquedulaScarceUncommon37–41 cm
Pink-footed GooseAnser brachyrhynchusPassage migrantUncommon60–75 cmRegularly Jan
Smallest to largest
Length, cm- Eurasian Teal 34–38 cm
- Garganey 37–41 cm
- Tufted Duck 40–47 cm
- Mandarin Duck 41–49 cm
- Pochard 42–49 cm
- Goldeneye 40–51 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
- 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
- Northern Pintail 59–76 cm
- Pink-footed Goose 60–75 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