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
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year
Common YellowthroatGeothlypis trichasSummer visitorCommon11–13 cmRegularly Apr–Oct
Snow GooseAnser caerulescensWinter visitorCommon69–84 cmRegularly Nov–Apr
Purple MartinProgne subisSummer visitorCommon18–20 cmRegularly Apr–Sep
American CrowCorvus brachyrhynchosResidentCommon41–53 cmRecorded all year
Chipping SparrowSpizella passerinaSummer visitorCommon12–15 cmRegularly Mar–Jan
Great White EgretArdea albaSummer visitorCommon80–104 cmRecorded all year
American Black DuckAnas rubripesWinter visitorCommon54–59 cmRecorded all year
Great Black-backed GullLarus marinusResidentCommon64–79 cmRecorded all year
Northern MockingbirdMimus polyglottosResidentCommon21–26 cmRecorded all year
Forster's TernSterna forsteriSummer visitorCommon33–36 cmRegularly Mar–Jan
Eastern BluebirdSialia sialisResidentCommon16–21 cmRecorded all year
Semipalmated PloverCharadrius semipalmatusSummer visitorCommon17–19 cmRegularly May–Nov
Semipalmated SandpiperCalidris pusillaSummer visitorCommon15–18 cmRegularly May–Oct
Ruby-crowned KingletCorthylio calendulaWinter visitorCommon9–11 cmRegularly Sep–Apr
Great Crested FlycatcherMyiarchus crinitusSummer visitorCommon17–22 cmRegularly Apr–Sep
Fish CrowCorvus ossifragusResidentCommon36–41 cmRecorded all year
Marsh WrenCistothorus palustrisSummer visitorCommon10–14 cmRegularly Apr–Jan
Eurasian TealAnas creccaWinter visitorCommon34–38 cmRegularly Jul–May
Greater YellowlegsTringa melanoleucaResidentCommon29–40 cmRecorded all year
American RedstartSetophaga ruticillaPassage migrantCommon11–14 cmRegularly May–Oct
House SparrowPasser domesticusResidentCommon14–17 cmRecorded all year
White-breasted NuthatchSitta carolinensisResidentCommon13–14 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