Common Birds in Delaware
Our list for Delaware has 85 common birds recorded regularly there: 35 residents, 23 summer visitors, 24 winter visitors and 3 passage migrants
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 85, most common first
Red-breasted MerganserMergus serratorWinter visitorCommon52–58 cmRegularly Nov–Apr
Hairy WoodpeckerLeuconotopicus villosusResidentCommon18–26 cmRecorded all year
Grey PloverPluvialis squatarolaSummer visitorCommon27–30 cmRecorded all year
Long-tailed DuckClangula hyemalisWinter visitorCommon37–60 cmRegularly Nov–Mar
Magnolia WarblerSetophaga magnoliaPassage migrantCommon11–13 cmRegularly May–Oct
Common MerganserMergus merganserWinter visitorCommon58–68 cmRegularly Dec–Apr
Mute SwanCygnus olorResidentCommon140–160 cmRecorded all year
Northern GannetMorus bassanusWinter visitorCommon87–100 cmRegularly Oct–Apr
Ruddy DuckOxyura jamaicensisWinter visitorCommon35–43 cmRegularly Sep–Jul
Bonaparte's GullChroicocephalus philadelphiaWinter visitorCommon28–38 cmRegularly Nov–Aug
Palm WarblerSetophaga palmarumPassage migrantCommon12–14 cmRegularly Sep–Apr
GadwallMareca streperaWinter visitorCommon46–56 cmRegularly Aug–Apr
Wood DuckAix sponsaSummer visitorCommon47–54 cmRecorded all year
Rock DoveColumba liviaResidentCommon29–37 cmRecorded all year
Baltimore OrioleIcterus galbulaSummer visitorCommon17–19 cmRegularly Apr–Sep
Hermit ThrushCatharus guttatusWinter visitorCommon14–18 cmRegularly Oct–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