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 · OctShare of all bird records in Wyoming in October, 2019–2024. Each month links to that month’s page.
All 66, most common first
Sharp-shinned HawkAccipiter striatusWinter visitorUncommon24–34 cmRecorded all year
Red-naped SapsuckerSphyrapicus nuchalisSummer visitorUncommon19–21 cmRegularly Apr–Oct
American AvocetRecurvirostra americanaSummer visitorUncommon43–51 cmRegularly Apr–Nov
Say's PhoebeSayornis sayaSummer visitorUncommon17–20 cmRegularly Mar–Sep
Hermit ThrushCatharus guttatusSummer visitorUncommon14–18 cmRegularly Apr–Oct
Tundra SwanCygnus columbianusPassage migrantUncommon120–150 cmRegularly Oct–Mar
Bohemian WaxwingBombycilla garrulusWinter visitorUncommon19–23 cmRegularly Nov–Mar
Greater YellowlegsTringa melanoleucaPassage migrantUncommon29–40 cmRegularly Mar–Nov
American Herring GullLarus smithsonianusPassage migrantUncommon53–65 cmRegularly Sep–Apr
Marsh WrenCistothorus palustrisSummer visitorUncommon10–14 cmRegularly Mar–Dec
Red-breasted MerganserMergus serratorPassage migrantUncommon52–58 cmRegularly Oct–May
Horned GrebePodiceps auritusPassage migrantUncommon31–38 cmRegularly Sep–May
Evening GrosbeakHesperiphona vespertinaResidentUncommon16–22 cmRecorded all year
MerlinFalco columbariusWinter visitorUncommon24–33 cmRegularly Aug–May
Sand MartinRiparia ripariaSummer visitorUncommon12–14 cmRegularly Apr–Sep
Franklin's GullLeucophaeus pipixcanSummer visitorUncommon32–36 cmRegularly Mar–Oct
Baird's SandpiperCalidris bairdiiPassage migrantUncommon14–17 cmRegularly May–Oct
Common RedpollAcanthis flammeaWinter visitorUncommon12–14 cmRegularly Nov–Apr
Bonaparte's GullChroicocephalus philadelphiaPassage migrantUncommon28–38 cmRegularly Oct–May
WilletTringa semipalmataSummer visitorUncommon33–41 cmRegularly Apr–Sep
Solitary SandpiperTringa solitariaPassage migrantUncommon19–23 cmRegularly Apr–Sep
Clay-colored SparrowSpizella pallidaPassage migrantUncommon13–15 cmRegularly May–Oct
Ruffed GrouseBonasa umbellusResidentUncommon41–50 cmRecorded all year
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