Rare Birds in Maryland
Our list for Maryland has 73 rare birds recorded regularly there: 5 residents, 10 summer visitors, 20 winter visitors, 36 passage migrants and 2 scarce visitors
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 73, most common first
Mourning WarblerGeothlypis philadelphiaPassage migrantRare10–15 cmRegularly May–Oct
Arctic JaegerStercorarius parasiticusPassage migrantRare41–46 cmRegularly Sep–Nov
Eurasian Collared DoveStreptopelia decaoctoPassage migrantRare30–32 cmRegularly Jun–Sep
Red-necked GrebePodiceps grisegenaWinter visitorRare40–50 cmRegularly Nov–Apr
Black-necked GrebePodiceps nigricollisPassage migrantRare28–34 cmRegularly Oct–Jan
Clay-colored SparrowSpizella pallidaPassage migrantRare13–15 cmRegularly Sep–Apr
Scissor-tailed FlycatcherTyrannus forficatusPassage migrantRare28–38 cmRegularly May
Piping PloverCharadrius melodusSummer visitorRare17–18 cmRegularly Mar–Oct
Glaucous GullLarus hyperboreusPassage migrantRare62–68 cmRegularly Jan–Mar
Leach's Storm-petrelHydrobates leucorhousPassage migrantRare18–21 cmRegularly Jun–Sep
FulmarFulmarus glacialisWinter visitorRare45–50 cmRegularly Dec–Feb
Red KnotCalidris canutusSummer visitorRare23–26 cmRegularly May–Nov
Lark SparrowChondestes grammacusPassage migrantRare15–17 cmRegularly Aug–Dec
Little GullHydrocoloeus minutusPassage migrantRare25–30 cmRegularly Mar–Apr
Franklin's GullLeucophaeus pipixcanPassage migrantRare32–36 cmRegularly Oct–Nov
White-winged DoveZenaida asiaticaScarceRare27–30 cm
Red CrossbillLoxia curvirostraWinter visitorRare15–17 cmRegularly Jun–Feb
Common PheasantPhasianus colchicusResidentRare50–90 cmRegularly Sep–Jul
Ruffed GrouseBonasa umbellusResidentRare41–50 cmRecorded all year
Gull-billed TernGelochelidon niloticaSummer visitorRare33–42 cmRegularly May–Aug
Pomarine JaegerStercorarius pomarinusPassage migrantRare46–51 cmRegularly Jun–Nov
Sooty ShearwaterArdenna griseaPassage migrantRare40–51 cmRegularly May–Jun
RuffCalidris pugnaxPassage migrantRare20–32 cmRegularly Aug
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