Uncommon Birds in Wyoming
Our list for Wyoming has 66 uncommon birds recorded regularly there: 7 residents, 24 summer visitors, 8 winter visitors and 27 passage migrants
Most likely in October
GBIF · Oct
Share of all bird records in Wyoming in October, 2019–2024. Each month links to that month’s page.
All 66, most common first
Lesser YellowlegsTringa flavipesPassage migrantUncommon23–27 cmRegularly Mar–Oct
Least FlycatcherEmpidonax minimusSummer visitorUncommon12–14 cmRegularly May–Sep
Wood DuckAix sponsaResidentUncommon47–54 cmRecorded all year
Long-billed DowitcherLimnodromus scolopaceusPassage migrantUncommon27–30 cmRegularly Apr–Nov
Willow FlycatcherEmpidonax trailliiSummer visitorUncommon13–17 cmRegularly May–Sep
Snow BuntingPlectrophenax nivalisWinter visitorUncommon15–18 cmRegularly Oct–Mar
Fox SparrowPasserella iliacaSummer visitorUncommon15–19 cmRegularly Apr–Dec
Least SandpiperCalidris minutillaPassage migrantUncommon13–15 cmRegularly Apr–Oct
Long-tailed DuckClangula hyemalisPassage migrantUncommon37–60 cmRegularly Nov
Grey PartridgePerdix perdixWinter visitorUncommon28–32 cmRegularly Jul–Apr
Peregrine FalconFalco peregrinusSummer visitorUncommon34–58 cmRegularly Feb–Nov
Red-headed WoodpeckerMelanerpes erythrocephalusSummer visitorUncommon19–23 cmRegularly May–Sep
Lesser Black-backed GullLarus fuscusPassage migrantUncommon52–64 cmRegularly Sep–Apr
Red-necked PhalaropePhalaropus lobatusPassage migrantUncommon18–19 cmRegularly Apr–Sep
Ross's GooseAnser rossiiPassage migrantUncommon57–64 cmRegularly Oct–Apr
American RedstartSetophaga ruticillaSummer visitorUncommon11–14 cmRegularly May–Sep
Forster's TernSterna forsteriSummer visitorUncommon33–36 cmRegularly Apr–Sep
ChukarAlectoris chukarWinter visitorUncommon32–38 cmRecorded all year
Lapland LongspurCalcarius lapponicusWinter visitorUncommon15–16 cmRegularly Oct–Mar
Surf ScoterMelanitta perspicillataPassage migrantUncommon48–60 cmRegularly Oct–Nov
Pacific LoonGavia pacificaResidentUncommon58–74 cmRegularly Oct–Nov
American Three-toed WoodpeckerPicoides dorsalisResidentUncommon21–24 cmRegularly May–Mar
Pectoral SandpiperCalidris melanotosPassage migrantUncommon19–23 cmRegularly Jul–Oct
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