BirdAnalyst
BBS Route · Pennsylvania · BCR 28

English Ctr Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 98 species recorded across 15 survey years, no longer active.

98Species 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 →
15Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–1989Span
2Observers

Bird Species Found on Pennsylvania English Ctr

Top 40 of 98 species by most recent count. Each links to its species trend.

Species recorded on the English Ctr 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
Red-eyed VireoVireonidae411989+127%1968
Common YellowthroatParulidae35198924×1971
Eastern TowheePasserellidae30198913×1968
American RobinTurdidae251989-49%1968
Chipping SparrowPasserellidae231989+211%1968
American CrowCorvidae201989-59%1968
Red-winged BlackbirdIcteridae181989-68%1968
Yellow WarblerParulidae151989+740%1975
Bank SwallowHirundinidae151975n/an/a
Black-capped ChickadeeParidae141989+220%1971
Cedar WaxwingBombycillidae131989+46%1968
Northern House WrenTroglodytidae131989+200%1968
American RedstartParulidae131989+117%1987
Common GrackleIcteridae121989+4%1968
Song SparrowPasserellidae121989+33%1968
European StarlingSturnidae101989-58%1968
Indigo BuntingCardinalidae101989+214%1968
Barn SwallowHirundinidae101989+29%1969
Black-throated Green WarblerParulidae101989+175%1987
Blue-headed VireoVireonidae81988+300%1987
Eastern PhoebeTyrannidae71989+50%1968
Least FlycatcherTyrannidae71989+43%1987
Chestnut-sided WarblerParulidae71989+133%1987
Scarlet TanagerCardinalidae61989+213%1968
OvenbirdParulidae61989+40%1987
Gray CatbirdMimidae61989-19%1968
Eastern Wood-PeweeTyrannidae61989+550%1976
Tufted TitmouseParidae61989+200%1987
Black-and-white WarblerParulidae61989+100%1988
Brown-headed CowbirdIcteridae51989+20%1968
Baltimore OrioleIcteridae51989-33%1968
Northern CardinalCardinalidae51989-76%1968
Eastern KingbirdTyrannidae51989+275%1970
Tree SwallowHirundinidae51989+36%1970
Black-throated Blue WarblerParulidae51989+67%1987
Blue JayCorvidae41989-54%1968
Common RavenCorvidae41988+200%1969
Wood ThrushTurdidae41988-52%1968
Field SparrowPasserellidae41989+133%1976
Chimney SwiftApodidae41973+0%1968

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