Ducks, Geese & Swans in Renfrewshire
Our list for Renfrewshire has 21 ducks, geese & swans recorded regularly there: 11 residents, 1 summer visitor, 4 winter visitors and 5 passage migrants
Most likely in October
GBIF · OctShare of all bird records in Renfrewshire in October, 2019–2024. Each month links to that month’s page.
All 21, most common first
Mute SwanCygnus olorResidentCommon140–160 cmRecorded all year
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year
GoldeneyeBucephala clangulaWinter visitorCommon40–51 cmRegularly Sep–Apr
Tufted DuckAythya fuligulaResidentCommon40–47 cmRecorded all year
Common MerganserMergus merganserWinter visitorCommon58–68 cmRegularly Sep–Jun
Eurasian WigeonMareca penelopeWinter visitorCommon42–51 cmRegularly Aug–May
Greylag GooseAnser anserResidentCommon75–90 cmRecorded all year
Canada GooseBranta canadensisResidentCommon76–110 cmRecorded all year
Eurasian TealAnas creccaResidentCommon34–38 cmRecorded all year
Northern ShovelerSpatula clypeataResidentCommon44–51 cmRegularly Apr–Nov
Whooper SwanCygnus cygnusWinter visitorCommon140–165 cmRegularly Oct–Mar
EiderSomateria mollissimaResidentCommon50–71 cmRegularly Jan–Oct
Pink-footed GooseAnser brachyrhynchusPassage migrantCommon60–75 cmRegularly Sep–May
SmewMergellus albellusPassage migrantCommon38–44 cmRegularly Jan–Mar
Red-breasted MerganserMergus serratorResidentUncommon52–58 cmRegularly Oct–Apr
Common ShelduckTadorna tadornaSummer visitorUncommon58–67 cmRegularly Jan–Jul
PochardAythya ferinaResidentUncommon42–49 cmRegularly Oct–Jan
GarganeySpatula querquedulaPassage migrantUncommon37–41 cmRegularly May
Barnacle GooseBranta leucopsisPassage migrantUncommon58–70 cmRegularly Jan
GadwallMareca streperaResidentUncommon46–56 cmRegularly Mar–May
Greater ScaupAythya marilaPassage migrantUncommon39–56 cmRegularly Nov
Smallest to largest
Length, cm- Eurasian Teal 34–38 cm
- Garganey 37–41 cm
- Smew 38–44 cm
- Tufted Duck 40–47 cm
- Goldeneye 40–51 cm
- Pochard 42–49 cm
- Eurasian Wigeon 42–51 cm
- Northern Shoveler 44–51 cm
- Greater Scaup 39–56 cm
- Gadwall 46–56 cm
- Red-breasted Merganser 52–58 cm
- Mallard 50–65 cm
- Eider 50–71 cm
- Common Shelduck 58–67 cm
- Common Merganser 58–68 cm
- Barnacle Goose 58–70 cm
- Pink-footed Goose 60–75 cm
- Greylag Goose 75–90 cm
- Canada Goose 76–110 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