BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Pine Gr Mill Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 126 species recorded across 51 survey years, still active.

126Species 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 →
51Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2024Span
8Observers

Bird Species Found on Pennsylvania Pine Gr Mill

Top 40 of 126 species by most recent count. Each links to its species trend.

Species recorded on the Pine Gr Mill 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
American RobinTurdidae1252024+118%1969
European StarlingSturnidae982024-29%1969
Gray CatbirdMimidae662024+636%1969
Song SparrowPasserellidae522024+116%1969
Common GrackleIcteridae512024-40%1969
Red-eyed VireoVireonidae482024+306%1969
Northern CardinalCardinalidae432024+227%1969
Mourning DoveColumbidae412024+50%1969
Red-winged BlackbirdIcteridae382024-57%1969
Chipping SparrowPasserellidae372024+18%1969
American CrowCorvidae322024+8%1969
Wood ThrushTurdidae292024+182%1969
House SparrowPasseridae282024-39%1969
American RedstartParulidae24202422×1973
Chimney SwiftApodidae222024+106%1969
Indigo BuntingCardinalidae222024+39%1969
Carolina WrenTroglodytidae212024+975%1970
Tufted TitmouseParidae172024+161%1969
Common YellowthroatParulidae152024+11%1969
Northern House WrenTroglodytidae152024+67%1969
House FinchFringillidae152024-7%1984
Field SparrowPasserellidae142024+11%1969
Eastern TowheePasserellidae142024+26%1969
American GoldfinchFringillidae132024+0%1969
Yellow WarblerParulidae122024+123%1970
OvenbirdParulidae112024+750%1970
Red-bellied WoodpeckerPicidae10202411×1984
Tree SwallowHirundinidae92024+550%1987
Rock PigeonColumbidae72024-70%1969
Downy WoodpeckerPicidae72024+113%1970
Eastern PhoebeTyrannidae62024-36%1969
Barn SwallowHirundinidae62024-36%1969
White-breasted NuthatchSittidae62024+167%1969
Black-capped ChickadeeParidae62024-14%1969
Eastern BluebirdTurdidae62024+600%1970
Yellow-billed CuckooCuculidae52023-24%1969
Eastern Wood-PeweeTyrannidae52024+93%1969
Blue JayCorvidae52024-23%1969
Great Crested FlycatcherTyrannidae42023-44%1969
Brown-headed CowbirdIcteridae42024-8%1969

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