BirdAnalyst
BBS Route · Delaware · BCR 30

Pepperbox Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 103 species recorded across 11 survey years, no longer active.

103Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
11Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2016Span
3Observers

Bird Species Found on Delaware Pepperbox

Top 40 of 103 species by most recent count. Each links to its species trend.

Species recorded on the Pepperbox route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
European StarlingSturnidae882016+87%2000
Common GrackleIcteridae582016-3%2000
Northern CardinalCardinalidae532016+35%2000
Turkey VultureCathartidae512016-1%2000
Indigo BuntingCardinalidae502016-25%2000
Carolina WrenTroglodytidae442016+25%2000
Mourning DoveColumbidae372016+33%2000
American CrowCorvidae372016-51%2000
Chipping SparrowPasserellidae362016+47%2000
Purple MartinHirundinidae362016+150%2000
Laughing GullLaridae322016-46%2000
Canada GooseAnatidae292016+32%2002
House SparrowPasseridae282016-53%2000
American RobinTurdidae282016-54%2000
Blue GrosbeakCardinalidae262016-5%2000
Tufted TitmouseParidae262016-25%2000
Northern MockingbirdMimidae252016+3%2000
Red-winged BlackbirdIcteridae242016-59%2000
Horned LarkAlaudidae222016+58%2000
Pine WarblerParulidae202016-10%2000
Carolina ChickadeeParidae192016-14%2000
Great Crested FlycatcherTyrannidae162016-4%2000
Brown-headed CowbirdIcteridae152016-20%2000
Red-eyed VireoVireonidae152016-21%2000
OvenbirdParulidae132016-53%2000
Barn SwallowHirundinidae122016+43%2000
American GoldfinchFringillidae102016-2%2000
Blue-gray GnatcatcherPolioptilidae102016-20%2000
Wild TurkeyPhasianidae102016+900%2000
Downy WoodpeckerPicidae92016+29%2000
Rock PigeonColumbidae82005+200%2001
Red-bellied WoodpeckerPicidae82016+30%2000
Common YellowthroatParulidae82016-71%2000
Pileated WoodpeckerPicidae72016+333%2002
Eastern Wood-PeweeTyrannidae72016-10%2000
Acadian FlycatcherTyrannidae72016-20%2000
Gray CatbirdMimidae72008-20%2000
Eastern TowheePasserellidae62016-46%2000
White-eyed VireoVireonidae62016-37%2000
Great EgretArdeidae52016+10%2000

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.