BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Plesant Grov Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 103 species recorded across 46 survey years, still 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 →
46Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2024Span
4Observers

Bird Species Found on Pennsylvania Plesant Grov

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

Species recorded on the Plesant Grov 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 StarlingSturnidae1432024-31%1968
Red-winged BlackbirdIcteridae872024-32%1968
Canada GooseAnatidae802024+849%1995
American RobinTurdidae752024+7%1968
Song SparrowPasserellidae542024+39%1968
Mourning DoveColumbidae40202413×1968
Yellow WarblerParulidae362024+700%1968
Northern CardinalCardinalidae332024+144%1968
Common GrackleIcteridae282024-14%1968
Chimney SwiftApodidae272024+11%1968
American CrowCorvidae272024+49%1968
Cedar WaxwingBombycillidae262024+563%1983
American GoldfinchFringillidae252024+46%1968
Barn SwallowHirundinidae242024+177%1968
Red-bellied WoodpeckerPicidae24202413×1985
Chipping SparrowPasserellidae212024+43%1968
Gray CatbirdMimidae212024+38%1968
Blue JayCorvidae192024+239%1983
Carolina WrenTroglodytidae172024+650%1983
Red-eyed VireoVireonidae162024+364%1968
House SparrowPasseridae152024-72%1968
Common YellowthroatParulidae142024+62%1968
Northern MockingbirdMimidae142024+800%1986
Brown-headed CowbirdIcteridae132024+150%1969
Eastern TowheePasserellidae132024+240%1969
Tufted TitmouseParidae112024+258%1968
Eastern Wood-PeweeTyrannidae112024+300%1969
Indigo BuntingCardinalidae102024+156%1969
Wood ThrushTurdidae102024+155%1968
Northern House WrenTroglodytidae92024+35%1969
Eastern PhoebeTyrannidae82024+167%1968
Carolina ChickadeeParidae72024+120%1983
Field SparrowPasserellidae62024-35%1968
Willow FlycatcherTyrannidae62024+136%1983
Eastern BluebirdTurdidae52024+50%1982
MallardAnatidae52024+38%1984
House FinchFringillidae52024+57%1984
American RedstartParulidae52024+150%1992
Wild TurkeyPhasianidae52024+110%1998
Rock PigeonColumbidae42023-9%1968

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