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 · Oct
Share of all bird records in Maryland in October, 2019–2024. Each month links to that month’s page.
All 81, most common first
MerlinFalco columbariusWinter visitorUncommon24–33 cmRegularly Aug–May
Least FlycatcherEmpidonax minimusPassage migrantUncommon12–14 cmRegularly May–Oct
Sand MartinRiparia ripariaSummer visitorUncommon12–14 cmRegularly Apr–Sep
Red-throated LoonGavia stellataWinter visitorUncommon53–69 cmRegularly Oct–Apr
Willow FlycatcherEmpidonax trailliiSummer visitorUncommon13–17 cmRegularly May–Aug
Pectoral SandpiperCalidris melanotosPassage migrantUncommon19–23 cmRegularly Mar–Nov
Eastern Screech-owlMegascops asioResidentUncommon16–25 cmRecorded all year
Great Horned OwlBubo virginianusWinter visitorUncommon46–63 cmRecorded all year
Cackling GooseBranta hutchinsiiWinter visitorUncommon53–76 cmRegularly Oct–Mar
Black-crowned Night-heronNycticorax nycticoraxSummer visitorUncommon58–65 cmRecorded all year
Nashville WarblerLeiothlypis ruficapillaPassage migrantUncommon11–13 cmRegularly Apr–Nov
SanderlingCalidris albaWinter visitorUncommon18–20 cmRecorded all year
Peregrine FalconFalco peregrinusWinter visitorUncommon34–58 cmRecorded all year
Northern GannetMorus bassanusWinter visitorUncommon87–100 cmRegularly Oct–Apr
WilletTringa semipalmataSummer visitorUncommon33–41 cmRegularly Apr–Jan
Short-billed DowitcherLimnodromus griseusSummer visitorUncommon23–32 cmRegularly Apr–Sep
Glossy IbisPlegadis falcinellusSummer visitorUncommon48–66 cmRegularly Apr–Sep
Lesser Black-backed GullLarus fuscusWinter visitorUncommon52–64 cmRecorded all year
Cattle EgretArdea ibisSummer visitorUncommon46–56 cmRegularly Apr–Nov
Brent GooseBranta berniclaWinter visitorUncommon55–66 cmRegularly Oct–Apr
Ruddy TurnstoneArenaria interpresResidentUncommon21–24 cmRecorded all year
Marsh WrenCistothorus palustrisResidentUncommon10–14 cmRecorded all year
Grey PloverPluvialis squatarolaSummer visitorUncommon27–30 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