Ducks, Geese & Swans in Derry
Our list for Derry has 12 ducks, geese & swans recorded regularly there: 1 resident, 4 summer visitors, 6 passage migrants and 1 scarce visitor
Most likely in October
GBIF · OctShare of all bird records in Derry in October, 2019–2024. Each month links to that month’s page.
All 12, most common first
EiderSomateria mollissimaSummer visitorCommon50–71 cmRegularly Jan–Sep
MallardAnas platyrhynchosSummer visitorCommon50–65 cmRegularly Feb–Dec
Common ShelduckTadorna tadornaSummer visitorCommon58–67 cmRegularly Mar–Sep
Whooper SwanCygnus cygnusPassage migrantCommon140–165 cmRegularly Oct–Dec
Eurasian TealAnas creccaPassage migrantCommon34–38 cmRegularly Sep–Mar
Eurasian WigeonMareca penelopePassage migrantCommon42–51 cmRegularly Nov
Mute SwanCygnus olorSummer visitorCommon140–160 cmRegularly Apr–Nov
Tufted DuckAythya fuligulaResidentCommon40–47 cmRegularly Jul
Red-breasted MerganserMergus serratorPassage migrantCommon52–58 cmRegularly Nov–Apr
Brent GooseBranta berniclaPassage migrantCommon55–66 cmRegularly Sep–Nov
GoldeneyeBucephala clangulaPassage migrantCommon40–51 cmRegularly Nov
Common ScoterMelanitta nigraScarceUncommon43–54 cm
Smallest to largest
Length, cm- Eurasian Teal 34–38 cm
- Tufted Duck 40–47 cm
- Goldeneye 40–51 cm
- Eurasian Wigeon 42–51 cm
- Common Scoter 43–54 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
- 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