Uncommon Birds in Montana
Our list for Montana has 69 uncommon birds recorded regularly there: 6 residents, 34 summer visitors, 12 winter visitors and 17 passage migrants
Most likely in October
GBIF · Oct
Share of all bird records in Montana in October, 2019–2024. Each month links to that month’s page.
All 69, most common first
Northern Pygmy-owlGlaucidium gnomaWinter visitorUncommon15–17 cmRegularly Aug–May
Broad-winged HawkButeo platypterusPassage migrantUncommon34–44 cmRegularly May–Oct
Long-tailed DuckClangula hyemalisWinter visitorUncommon37–60 cmRegularly Nov–Mar
Semipalmated PloverCharadrius semipalmatusPassage migrantUncommon17–19 cmRegularly May–Sep
OvenbirdSeiurus aurocapillaSummer visitorUncommon12–15 cmRegularly May–Sep
American Three-toed WoodpeckerPicoides dorsalisResidentUncommon21–24 cmRecorded all year
Ross's GooseAnser rossiiPassage migrantUncommon57–64 cmRegularly Oct–Apr
Baltimore OrioleIcterus galbulaSummer visitorUncommon17–19 cmRegularly May–Sep
Williamson's SapsuckerSphyrapicus thyroideusSummer visitorUncommon21–25 cmRegularly Mar–Sep
Short-eared OwlAsio flammeusResidentUncommon34–43 cmRecorded all year
Iceland GullLarus glaucoidesPassage migrantUncommon52–60 cmRegularly Oct–Mar
Burrowing OwlAthene cuniculariaSummer visitorUncommon19–25 cmRegularly Apr–Oct
Virginia RailRallus limicolaResidentUncommon20–27 cmRecorded all year
Common TernSterna hirundoSummer visitorUncommon31–35 cmRegularly Apr–Oct
Northern Saw-whet OwlAegolius acadicusWinter visitorUncommon17–21 cmRecorded all year
SanderlingCalidris albaPassage migrantUncommon18–20 cmRegularly May–Oct
Black TernChlidonias nigerSummer visitorUncommon22–26 cmRegularly May–Sep
Pacific LoonGavia pacificaPassage migrantUncommon58–74 cmRegularly Oct–Nov
Sabine's GullXema sabiniPassage migrantUncommon27–33 cmRegularly Sep–Oct
Greater White-fronted GooseAnser albifronsPassage migrantUncommon64–81 cmRegularly Sep–May
Snowy OwlBubo scandiacusWinter visitorUncommon52–71 cmRegularly Nov–Mar
Black-crowned Night-heronNycticorax nycticoraxSummer visitorUncommon58–65 cmRegularly Apr–Sep
Tennessee WarblerLeiothlypis peregrinaSummer visitorUncommon10–13 cmRegularly May–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