Uncommon Birds in Maryland
Our list for Maryland has 81 uncommon birds recorded regularly there: 9 residents, 19 summer visitors, 35 winter visitors and 18 passage migrants
Most likely in October
GBIF · OctShare of all bird records in Maryland in October, 2019–2024. Each month links to that month’s page.
All 81, most common first
Forster's TernSterna forsteriSummer visitorUncommon33–36 cmRecorded all year
Pied-billed GrebePodilymbus podicepsWinter visitorUncommon31–38 cmRegularly Aug–May
Blackpoll WarblerSetophaga striataPassage migrantUncommon13–15 cmRegularly May–Oct
GadwallMareca streperaWinter visitorUncommon46–56 cmRegularly Sep–Apr
Least SandpiperCalidris minutillaPassage migrantUncommon13–15 cmRegularly Apr–Nov
Black-throated Blue WarblerSetophaga caerulescensSummer visitorUncommon11–13 cmRegularly Apr–Oct
Common LoonGavia immerWinter visitorUncommon66–91 cmRegularly Oct–May
Cape May WarblerSetophaga tigrinaPassage migrantUncommon12–14 cmRegularly May–Oct
Rose-breasted GrosbeakPheucticus ludovicianusSummer visitorUncommon18–22 cmRegularly Apr–Oct
Sharp-shinned HawkAccipiter striatusWinter visitorUncommon24–34 cmRegularly Sep–May
Eurasian TealAnas creccaWinter visitorUncommon34–38 cmRegularly Aug–Apr
GoldeneyeBucephala clangulaWinter visitorUncommon40–51 cmRegularly Nov–Mar
Common RavenCorvus coraxResidentUncommon54–67 cmRecorded all year
Long-tailed DuckClangula hyemalisWinter visitorUncommon37–60 cmRegularly Nov–Apr
Horned GrebePodiceps auritusWinter visitorUncommon31–38 cmRegularly Nov–Apr
Northern ShovelerSpatula clypeataWinter visitorUncommon44–51 cmRegularly Aug–Apr
Semipalmated SandpiperCalidris pusillaSummer visitorUncommon15–18 cmRegularly May–Oct
Blue-headed VireoVireo solitariusSummer visitorUncommon12–15 cmRegularly Apr–Oct
Lesser YellowlegsTringa flavipesPassage migrantUncommon23–27 cmRegularly Mar–Nov
Swainson's ThrushCatharus ustulatusPassage migrantUncommon16–20 cmRegularly May–Oct
Fox SparrowPasserella iliacaWinter visitorUncommon15–19 cmRegularly Oct–Apr
Greater ScaupAythya marilaWinter visitorUncommon39–56 cmRegularly Nov–Apr
Surf ScoterMelanitta perspicillataWinter visitorUncommon48–60 cmRegularly Jul–Apr
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