Ducks, Geese & Swans in Portugal
Our list for Portugal has 34 ducks, geese & swans recorded regularly there: 12 residents, 16 winter visitors, 5 passage migrants and 1 scarce visitor
Most likely in October
GBIF · OctShare of all bird records in Portugal in October, 2019–2024. Each month links to that month’s page.
All 34, most common first
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year
Eurasian TealAnas creccaWinter visitorCommon34–38 cmRegularly Aug–Apr
Northern ShovelerSpatula clypeataWinter visitorUncommon44–51 cmRegularly Jul–May
GadwallMareca streperaResidentUncommon46–56 cmRecorded all year
Egyptian GooseAlopochen aegyptiacaResidentUncommon63–73 cmRecorded all year
Common ShelduckTadorna tadornaResidentUncommon58–67 cmRecorded all year
Northern PintailAnas acutaWinter visitorUncommon59–76 cmRegularly Sep–Apr
Eurasian WigeonMareca penelopeWinter visitorUncommon42–51 cmRegularly Sep–Mar
Greylag GooseAnser anserResidentUncommon75–90 cmRecorded all year
Red-crested PochardNetta rufinaResidentUncommon53–57 cmRecorded all year
Common ScoterMelanitta nigraWinter visitorUncommon43–54 cmRecorded all year
PochardAythya ferinaResidentUncommon42–49 cmRecorded all year
Muscovy DuckCairina moschataResidentUncommon66–84 cmRecorded all year
Tufted DuckAythya fuligulaWinter visitorUncommon40–47 cmRegularly Aug–Apr
GarganeySpatula querquedulaWinter visitorRare37–41 cmRegularly Jul–May
Greater ScaupAythya marilaWinter visitorRare39–56 cmRegularly Oct–Mar
Red-breasted MerganserMergus serratorWinter visitorRare52–58 cmRegularly Nov–Mar
Mute SwanCygnus olorResidentRare140–160 cmRecorded all year
Ruddy ShelduckTadorna ferrugineaWinter visitorRare58–70 cmRecorded all year
EiderSomateria mollissimaWinter visitorRare50–71 cmRegularly Aug–May
Brent GooseBranta berniclaWinter visitorRare55–66 cmRegularly Oct–Mar
Pink-footed GooseAnser brachyrhynchusWinter visitorRare60–75 cmRegularly Oct–Mar
Black SwanCygnus atratusResidentRare110–142 cmRecorded all year
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

