Uncommon Birds in Delaware
Our list for Delaware has 81 uncommon birds recorded regularly there: 5 residents, 15 summer visitors, 29 winter visitors, 30 passage migrants and 2 scarce visitors
Most likely in October
GBIF · Oct
Share of all bird records in Delaware in October, 2019–2024. Each month links to that month’s page.
All 81, most common first
Black-throated Blue WarblerSetophaga caerulescensPassage migrantUncommon11–13 cmRegularly Apr–Oct
Stilt SandpiperCalidris himantopusPassage migrantUncommon18–23 cmRegularly Apr–Oct
Cape May WarblerSetophaga tigrinaPassage migrantUncommon12–14 cmRegularly May–Oct
Wild TurkeyMeleagris gallopavoSummer visitorUncommon100–125 cmRecorded all year
Red KnotCalidris canutusSummer visitorUncommon23–26 cmRegularly May–Sep
Long-billed DowitcherLimnodromus scolopaceusPassage migrantUncommon27–30 cmRegularly Jul–Mar
Rose-breasted GrosbeakPheucticus ludovicianusPassage migrantUncommon18–22 cmRegularly Apr–Oct
Willow FlycatcherEmpidonax trailliiSummer visitorUncommon13–17 cmRegularly May–Aug
Marbled GodwitLimosa fedoaPassage migrantUncommon40–50 cmRegularly Aug–Dec
Broad-winged HawkButeo platypterusPassage migrantUncommon34–44 cmRegularly Apr–Oct
VeeryCatharus fuscescensSummer visitorUncommon16–19 cmRegularly May–Sep
Common RavenCorvus coraxWinter visitorUncommon54–67 cmRegularly Aug–Jun
Pectoral SandpiperCalidris melanotosPassage migrantUncommon19–23 cmRegularly Mar–Nov
Great Horned OwlBubo virginianusWinter visitorUncommon46–63 cmRecorded all year
Eastern Screech-owlMegascops asioWinter visitorUncommon16–25 cmRecorded all year
Blue-headed VireoVireo solitariusPassage migrantUncommon12–15 cmRegularly Apr–Nov
GoldeneyeBucephala clangulaWinter visitorUncommon40–51 cmRegularly Nov–Mar
Greater ScaupAythya marilaWinter visitorUncommon39–56 cmRegularly Oct–Mar
Northern WaterthrushParkesia noveboracensisPassage migrantUncommon12–15 cmRegularly Apr–Oct
Prothonotary WarblerProtonotaria citreaSummer visitorUncommon13–14 cmRegularly Apr–Aug
Sandhill CraneAntigone canadensisResidentUncommon80–122 cmRecorded all year
Solitary SandpiperTringa solitariaPassage migrantUncommon19–23 cmRegularly Apr–Oct
Short-eared OwlAsio flammeusWinter visitorUncommon34–43 cmRegularly Nov–Mar
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