Ducks, Geese & Swans in Mongolia
Our list for Mongolia has 27 ducks, geese & swans recorded regularly there: 1 resident, 21 summer visitors, 4 passage migrants and 1 scarce visitor
Most likely in October
GBIF · OctShare of all bird records in Mongolia in October, 2019–2024. Each month links to that month’s page.
All 27, most common first
Ruddy ShelduckTadorna ferrugineaResidentCommon58–70 cmRecorded all year
MallardAnas platyrhynchosSummer visitorCommon50–65 cmRegularly Mar–Jan
Whooper SwanCygnus cygnusSummer visitorCommon140–165 cmRegularly Mar–Oct
Eurasian TealAnas creccaSummer visitorCommon34–38 cmRegularly Mar–Oct
GoldeneyeBucephala clangulaSummer visitorCommon40–51 cmRegularly Jan–Oct
GadwallMareca streperaSummer visitorCommon46–56 cmRegularly Mar–Oct
Taiga Bean GooseAnser fabalisPassage migrantCommon68–88 cmRegularly Apr–Oct
PochardAythya ferinaSummer visitorCommon42–49 cmRegularly Apr–Oct
Northern ShovelerSpatula clypeataSummer visitorCommon44–51 cmRegularly Apr–Oct
Tufted DuckAythya fuligulaSummer visitorCommon40–47 cmRegularly Apr–Oct
Common ShelduckTadorna tadornaSummer visitorCommon58–67 cmRegularly Apr–Oct
Northern PintailAnas acutaSummer visitorCommon59–76 cmRegularly Mar–Oct
Bar-headed GooseAnser indicusSummer visitorCommon68–78 cmRegularly Mar–Sep
Common MerganserMergus merganserSummer visitorCommon58–68 cmRegularly Mar–Oct
Swan GooseAnser cygnoidesSummer visitorCommon81–94 cmRegularly Mar–Oct
Eurasian WigeonMareca penelopeSummer visitorCommon42–51 cmRegularly Apr–Oct
GarganeySpatula querquedulaSummer visitorCommon37–41 cmRegularly Apr–Oct
Greylag GooseAnser anserSummer visitorCommon75–90 cmRegularly Apr–Oct
Red-crested PochardNetta rufinaSummer visitorUncommon53–57 cmRegularly Apr–Oct
Tundra SwanCygnus columbianusPassage migrantUncommon120–150 cmRegularly Apr–Oct
Mandarin DuckAix galericulataSummer visitorUncommon41–49 cmRegularly Apr–Oct
SmewMergellus albellusSummer visitorUncommon38–44 cmRegularly Apr–Oct
Red-breasted MerganserMergus serratorSummer visitorUncommon52–58 cmRegularly May–Oct
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
- Goldeneye 40–51 cm
- Pochard 42–49 cm
- Eurasian Wigeon 42–51 cm
- Northern Shoveler 44–51 cm
- Long-tailed Duck 37–60 cm
- Gadwall 46–56 cm
- Red-crested Pochard 53–57 cm
- Red-breasted Merganser 52–58 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
- Greater White-fronted Goose 64–81 cm
- Bar-headed Goose 68–78 cm
- Tundra Bean Goose 66–84 cm
- Taiga Bean Goose 68–88 cm
- Greylag Goose 75–90 cm
- Swan Goose 81–94 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