Ducks, Geese & Swans in Slovenia
Our list for Slovenia has 25 ducks, geese & swans recorded regularly there: 5 residents, 13 winter visitors, 5 passage migrants and 2 scarce visitors
Most likely in October
GBIF · OctShare of all bird records in Slovenia 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
Eurasian TealAnas creccaWinter visitorCommon34–38 cmRegularly Jul–Apr
Eurasian WigeonMareca penelopeWinter visitorCommon42–51 cmRegularly Aug–Apr
Tufted DuckAythya fuligulaWinter visitorCommon40–47 cmRecorded all year
Common MerganserMergus merganserWinter visitorCommon58–68 cmRecorded all year
GadwallMareca streperaWinter visitorCommon46–56 cmRegularly Aug–Apr
GarganeySpatula querquedulaPassage migrantCommon37–41 cmRegularly Mar–Sep
PochardAythya ferinaResidentCommon42–49 cmRecorded all year
Common ShelduckTadorna tadornaResidentCommon58–67 cmRegularly Oct–Aug
Greylag GooseAnser anserResidentCommon75–90 cmRecorded all year
GoldeneyeBucephala clangulaWinter visitorCommon40–51 cmRegularly Nov–Mar
Northern ShovelerSpatula clypeataWinter visitorCommon44–51 cmRegularly Aug–May
Greater White-fronted GooseAnser albifronsWinter visitorCommon64–81 cmRegularly Nov–Apr
Red-breasted MerganserMergus serratorWinter visitorUncommon52–58 cmRegularly Nov–Apr
Northern PintailAnas acutaWinter visitorUncommon59–76 cmRegularly Sep–May
Velvet ScoterMelanitta fuscaWinter visitorUncommon51–58 cmRegularly Dec–Mar
SmewMergellus albellusWinter visitorUncommon38–44 cmRegularly Dec–Mar
Greater ScaupAythya marilaWinter visitorUncommon39–56 cmRegularly Dec–Feb
Red-crested PochardNetta rufinaPassage migrantUncommon53–57 cmRegularly Jan–Aug
Mandarin DuckAix galericulataPassage migrantUncommon41–49 cmRegularly Oct–Jan
Muscovy DuckCairina moschataPassage migrantUncommon66–84 cmRegularly Oct–Apr
Ruddy ShelduckTadorna ferrugineaScarceUncommon58–70 cmRegularly Jan
Smallest to largest
Length, cm- Eurasian Teal 34–38 cm
- Garganey 37–41 cm
- Smew 38–44 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
- Long-tailed Duck 37–60 cm
- Gadwall 46–56 cm
- Velvet Scoter 51–58 cm
- Red-breasted Merganser 52–58 cm
- Red-crested Pochard 53–57 cm
- Mallard 50–65 cm
- Common Shelduck 58–67 cm
- Common Merganser 58–68 cm
- Ruddy Shelduck 58–70 cm
- Northern Pintail 59–76 cm
- Egyptian Goose 63–73 cm
- Greater White-fronted Goose 64–81 cm
- Muscovy Duck 66–84 cm
- Greylag Goose 75–90 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