Ducks, Geese & Swans in Denbighshire
Our list for Denbighshire has 15 ducks, geese & swans recorded regularly there: 3 residents, 4 summer visitors, 2 winter visitors, 5 passage migrants and 1 scarce visitor
Most likely in October
GBIF · OctShare of all bird records in Denbighshire in October, 2019–2024. Each month links to that month’s page.
All 15, most common first
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year
Canada GooseBranta canadensisSummer visitorCommon76–110 cmRegularly Jan–Jul
Common MerganserMergus merganserWinter visitorCommon58–68 cmRegularly Nov–Jul
Mute SwanCygnus olorWinter visitorCommon140–160 cmRegularly Jul–May
Greylag GooseAnser anserSummer visitorCommon75–90 cmRegularly Feb–Jul
Tufted DuckAythya fuligulaSummer visitorCommon40–47 cmRegularly Jan–Jul
Mandarin DuckAix galericulataSummer visitorCommon41–49 cmRegularly Mar–Aug
Common ShelduckTadorna tadornaResidentCommon58–67 cmRegularly Dec–Jul
Eurasian TealAnas creccaPassage migrantCommon34–38 cmRegularly Dec–Apr
Common ScoterMelanitta nigraPassage migrantCommon43–54 cmRegularly Jan–Feb
Greater ScaupAythya marilaPassage migrantCommon39–56 cmRegularly Jan
Eurasian WigeonMareca penelopePassage migrantCommon42–51 cmRegularly Jan–Feb
GoldeneyeBucephala clangulaPassage migrantUncommon40–51 cmRegularly Mar
Red-breasted MerganserMergus serratorScarceUncommon52–58 cm
GadwallMareca streperaResidentUncommon46–56 cmRegularly 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
- Greater Scaup 39–56 cm
- Common Scoter 43–54 cm
- Gadwall 46–56 cm
- Red-breasted Merganser 52–58 cm
- Mallard 50–65 cm
- Common Shelduck 58–67 cm
- Common Merganser 58–68 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