Ducks, Geese & Swans in Caerphilly
Our list for Caerphilly has 9 ducks, geese & swans recorded regularly there: 4 residents, 3 passage migrants and 2 scarce visitors
Most likely in October
GBIF · OctShare of all bird records in Caerphilly in October, 2019–2024. Each month links to that month’s page.
All 9, most common first
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year
Common MerganserMergus merganserPassage migrantCommon58–68 cmRegularly Nov–Jan
Canada GooseBranta canadensisResidentCommon76–110 cmRegularly Mar–Dec
Eurasian WigeonMareca penelopePassage migrantCommon42–51 cmRegularly Apr–Dec
GoldeneyeBucephala clangulaPassage migrantCommon40–51 cmRegularly Nov–Dec
Mute SwanCygnus olorResidentCommon140–160 cmRegularly May–Dec
Tufted DuckAythya fuligulaScarceCommon40–47 cmRegularly Apr–Jul
Greylag GooseAnser anserResidentCommon75–90 cmRegularly Jul–Nov
Eurasian TealAnas creccaScarceCommon34–38 cm
Smallest to largest
Length, cmData: 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