BBS Route · Delaware · BCR 30

Pepperbox 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 8 survey years, still active.

Bird Species Found on Delaware Pepperbox 2

Top 40 of 96 species by most recent count. Each links to its species trend.

Species recorded on the Pepperbox 2 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
Common GrackleIcteridae1152025+39%2019
European StarlingSturnidae862025+49%2019
American CrowCorvidae682025+141%2019
Northern CardinalCardinalidae492025+13%2019
Carolina WrenTroglodytidae472025+0%2019
Chipping SparrowPasserellidae392025-14%2019
Indigo BuntingCardinalidae382025-21%2019
American RobinTurdidae372025-20%2019
Blue GrosbeakCardinalidae352025-12%2019
Tufted TitmouseParidae302025-30%2019
Mourning DoveColumbidae272025+12%2019
Great Crested FlycatcherTyrannidae272025-30%2019
House SparrowPasseridae222025-45%2019
Red-eyed VireoVireonidae212025-41%2019
Carolina ChickadeeParidae212025+31%2019
Turkey VultureCathartidae202025-47%2019
Red-bellied WoodpeckerPicidae202025+29%2019
Pine WarblerParulidae202025-31%2019
House FinchFringillidae192025+72%2019
OvenbirdParulidae192025+26%2019
Northern MockingbirdMimidae192025-10%2019
Red-winged BlackbirdIcteridae172025-15%2019
Laughing GullLaridae162025-30%2019
Brown-headed CowbirdIcteridae162025-31%2019
American GoldfinchFringillidae152025+59%2019
Purple MartinHirundinidae152025-5%2019
Barn SwallowHirundinidae152025-27%2019
Canada GooseAnatidae152025-52%2022
Horned LarkAlaudidae102025-7%2019
Prothonotary WarblerParulidae102025+92%2019
Blue-gray GnatcatcherPolioptilidae92025-44%2019
Snowy EgretArdeidae82025+120%2021
Pileated WoodpeckerPicidae82025+94%2019
Summer TanagerCardinalidae82025+39%2019
Common YellowthroatParulidae82025+5%2019
Worm-eating WarblerParulidae72025+133%2019
KilldeerCharadriidae62025+20%2019
Wild TurkeyPhasianidae62024+157%2021
Eastern Wood-PeweeTyrannidae62025-42%2019
Blue JayCorvidae62025-41%2019

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.