BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Rosecrans Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 120 species recorded across 48 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 →
48Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1969–2024Span
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
European StarlingSturnidae1012024-48%1971
American RobinTurdidae912024+30%1971
Common GrackleIcteridae602024-68%1971
Canada GooseAnatidae542023+685%2003
Ring-billed GullLaridae352002n/an/a
Song SparrowPasserellidae342024-3%1971
Barn SwallowHirundinidae312024-22%1971
Cedar WaxwingBombycillidae29202412×1972
Red-eyed VireoVireonidae282024+231%1971
Red-winged BlackbirdIcteridae272024-65%1971
Gray CatbirdMimidae262024+196%1971
Chipping SparrowPasserellidae232024-11%1971
Northern CardinalCardinalidae222024+66%1971
House SparrowPasseridae192024-57%1971
American CrowCorvidae182024-47%1971
Yellow-billed CuckooCuculidae172023+280%1973
American GoldfinchFringillidae172024-19%1971
Rock PigeonColumbidae162024+15%1971
Mourning DoveColumbidae162024+271%1971
Tufted TitmouseParidae112024+225%1971
Scarlet TanagerCardinalidae102024+22%1971
OvenbirdParulidae102024+5%1971
Chimney SwiftApodidae92024-33%1971
Wood ThrushTurdidae92024-71%1971
Turkey VultureCathartidae92024+425%1976
MallardAnatidae82024-48%1972
Yellow WarblerParulidae82024+73%1971
Northern House WrenTroglodytidae82024+3%1971
Double-crested CormorantPhalacrocoracidae82003+700%1999
House FinchFringillidae72024+250%1978
Red-bellied WoodpeckerPicidae72024+186%1997
Eastern PhoebeTyrannidae62024+125%1971
Bank SwallowHirundinidae62021-77%1971
Common YellowthroatParulidae62024+22%1971
Black-capped ChickadeeParidae62024+8%1971
Eastern BluebirdTurdidae62024+233%1974
Blue JayCorvidae52024-50%1971
Brown-headed CowbirdIcteridae52024-69%1971
Cliff SwallowHirundinidae52022-71%1971
American RedstartParulidae52024+300%1976

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