BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Rosecrans Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 120 species recorded across 49 survey years, still active.

120Species 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 →
49Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1969–2025Span
4Observers

Bird Species Found on Pennsylvania Rosecrans

Top 40 of 120 species by most recent count. Each links to its species trend.

Species recorded on the Rosecrans 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 GrackleIcteridae712025-72%1971
American RobinTurdidae692025+10%1971
European StarlingSturnidae612025-53%1971
Song SparrowPasserellidae412025+20%1971
House SparrowPasseridae402025-52%1971
Chipping SparrowPasserellidae372025+21%1971
Ring-billed GullLaridae352002n/an/a
Red-eyed VireoVireonidae312025+258%1971
Barn SwallowHirundinidae292025-21%1971
Red-winged BlackbirdIcteridae282025-58%1971
Canada GooseAnatidae262025+677%2003
Yellow-billed CuckooCuculidae172023+280%1973
Northern CardinalCardinalidae172025+69%1971
Gray CatbirdMimidae172025+142%1971
Chimney SwiftApodidae162025-36%1971
Brown-headed CowbirdIcteridae162025-44%1971
American GoldfinchFringillidae162025-27%1971
Cedar WaxwingBombycillidae16202513×1972
MallardAnatidae152025-43%1972
Mourning DoveColumbidae152025+154%1971
Blue JayCorvidae92025-36%1971
OvenbirdParulidae92025+19%1971
House FinchFringillidae92025+283%1978
Carolina WrenTroglodytidae82025+240%1973
Northern House WrenTroglodytidae82025-12%1971
Tufted TitmouseParidae82025+275%1971
Red-bellied WoodpeckerPicidae82025+243%1997
Double-crested CormorantPhalacrocoracidae82003+700%1999
Rock PigeonColumbidae72025-20%1971
American CrowCorvidae72025-55%1971
Yellow WarblerParulidae72025+91%1971
Scarlet TanagerCardinalidae62025+17%1971
Bank SwallowHirundinidae62021-77%1971
Indigo BuntingCardinalidae52025-55%1971
Cliff SwallowHirundinidae52022-71%1971
American RedstartParulidae52024+300%1976
Eastern PhoebeTyrannidae42025+125%1971
Eastern MeadowlarkIcteridae42025-87%1971
Field SparrowPasserellidae42025-69%1971
Common YellowthroatParulidae42025+0%1971

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