Ducks, Geese & Swans in Idaho
Our list for Idaho has 26 ducks, geese & swans recorded regularly there: 7 residents, 1 summer visitor, 16 winter visitors and 2 passage migrants
Most likely in October
GBIF · OctShare of all bird records in Idaho in October, 2019–2024. Each month links to that month’s page.
All 26, most common first
Canada GooseBranta canadensisResidentCommon76–110 cmRecorded all year
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year
GoldeneyeBucephala clangulaWinter visitorCommon40–51 cmRegularly Oct–May
Common MerganserMergus merganserWinter visitorCommon58–68 cmRecorded all year
Northern ShovelerSpatula clypeataWinter visitorCommon44–51 cmRecorded all year
GadwallMareca streperaResidentCommon46–56 cmRecorded all year
Snow GooseAnser caerulescensWinter visitorCommon69–84 cmRegularly Oct–Apr
Hooded MerganserLophodytes cucullatusWinter visitorCommon40–49 cmRegularly Aug–May
Eurasian TealAnas creccaWinter visitorCommon34–38 cmRecorded all year
Cinnamon TealSpatula cyanopteraSummer visitorCommon36–43 cmRegularly Mar–Sep
Wood DuckAix sponsaResidentCommon47–54 cmRecorded all year
Ruddy DuckOxyura jamaicensisResidentCommon35–43 cmRecorded all year
Northern PintailAnas acutaWinter visitorCommon59–76 cmRecorded all year
Greater White-fronted GooseAnser albifronsPassage migrantCommon64–81 cmRegularly Sep–Apr
Tundra SwanCygnus columbianusWinter visitorUncommon120–150 cmRegularly Oct–Apr
Trumpeter SwanCygnus buccinatorWinter visitorUncommon139–157 cmRecorded all year
Red-breasted MerganserMergus serratorWinter visitorUncommon52–58 cmRegularly Oct–May
Cackling GooseBranta hutchinsiiWinter visitorUncommon53–76 cmRegularly Oct–Mar
Ross's GooseAnser rossiiWinter visitorUncommon57–64 cmRegularly Oct–Apr
Greater ScaupAythya marilaWinter visitorUncommon39–56 cmRegularly Oct–May
Mute SwanCygnus olorWinter visitorUncommon140–160 cmRecorded all year
Eurasian WigeonMareca penelopeWinter visitorUncommon42–51 cmRegularly Oct–Apr
Surf ScoterMelanitta perspicillataPassage migrantUncommon48–60 cmRegularly Oct–Nov
Smallest to largest
Length, cm- Eurasian Teal 34–38 cm
- Ruddy Duck 35–43 cm
- Cinnamon Teal 36–43 cm
- Hooded Merganser 40–49 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
- Wood Duck 47–54 cm
- Gadwall 46–56 cm
- Surf Scoter 48–60 cm
- Red-breasted Merganser 52–58 cm
- Mallard 50–65 cm
- Ross's Goose 57–64 cm
- Common Merganser 58–68 cm
- Cackling Goose 53–76 cm
- Northern Pintail 59–76 cm
- Greater White-fronted Goose 64–81 cm
- Muscovy Duck 66–84 cm
- Snow Goose 69–84 cm
- Greylag Goose 75–90 cm
- Canada Goose 76–110 cm
- Tundra Swan 120–150 cm
- Trumpeter Swan 139–157 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