Ducks, Geese & Swans in Leinster
Our list for Leinster has 29 ducks, geese & swans recorded regularly there: 8 residents, 18 winter visitors and 3 passage migrants
Most likely in October
GBIF · OctShare of all bird records in Leinster in October, 2019–2024. Each month links to that month’s page.
All 29, most common first
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year
Mute SwanCygnus olorResidentCommon140–160 cmRecorded all year
Brent GooseBranta berniclaWinter visitorCommon55–66 cmRegularly Sep–Apr
Eurasian TealAnas creccaWinter visitorCommon34–38 cmRecorded all year
Common ShelduckTadorna tadornaResidentCommon58–67 cmRecorded all year
Eurasian WigeonMareca penelopeWinter visitorCommon42–51 cmRecorded all year
Tufted DuckAythya fuligulaResidentCommon40–47 cmRecorded all year
Red-breasted MerganserMergus serratorWinter visitorCommon52–58 cmRegularly Aug–May
Northern ShovelerSpatula clypeataWinter visitorUncommon44–51 cmRecorded all year
Whooper SwanCygnus cygnusWinter visitorUncommon140–165 cmRegularly Sep–Jun
Greylag GooseAnser anserResidentUncommon75–90 cmRecorded all year
Northern PintailAnas acutaWinter visitorUncommon59–76 cmRegularly Sep–Apr
Common ScoterMelanitta nigraWinter visitorUncommon43–54 cmRecorded all year
GadwallMareca streperaResidentUncommon46–56 cmRecorded all year
GoldeneyeBucephala clangulaWinter visitorUncommon40–51 cmRegularly Oct–Mar
Pink-footed GooseAnser brachyrhynchusWinter visitorUncommon60–75 cmRegularly Sep–Apr
Greater White-fronted GooseAnser albifronsWinter visitorUncommon64–81 cmRegularly Oct–Mar
Long-tailed DuckClangula hyemalisWinter visitorUncommon37–60 cmRegularly Nov–Apr
PochardAythya ferinaWinter visitorUncommon42–49 cmRegularly Jun–Apr
Greater ScaupAythya marilaWinter visitorUncommon39–56 cmRegularly Oct–Apr
Tundra SwanCygnus columbianusPassage migrantUncommon120–150 cmRegularly Jan–Feb
Barnacle GooseBranta leucopsisWinter visitorUncommon58–70 cmRegularly Jul–Feb
Common MerganserMergus merganserWinter visitorUncommon58–68 cmRegularly Oct–May
Smallest to largest
Length, cm- Eurasian Teal 34–38 cm
- Garganey 37–41 cm
- Tufted Duck 40–47 cm
- Mandarin Duck 41–49 cm
- Goldeneye 40–51 cm
- Pochard 42–49 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
- Brent Goose 55–66 cm
- Eider 50–71 cm
- Common Shelduck 58–67 cm
- Common Merganser 58–68 cm
- Barnacle Goose 58–70 cm
- Northern Pintail 59–76 cm
- Pink-footed Goose 60–75 cm
- Greater White-fronted Goose 64–81 cm
- Greylag Goose 75–90 cm
- Canada Goose 76–110 cm
- Tundra Swan 120–150 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