BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Pine Gr Mill Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 126 species recorded across 52 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 →
52Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2025Span
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
European StarlingSturnidae662025-12%1969
American RobinTurdidae642025+95%1969
Gray CatbirdMimidae522025+596%1969
Red-eyed VireoVireonidae472025+281%1969
Common GrackleIcteridae462025-45%1969
Mourning DoveColumbidae442025+84%1969
Song SparrowPasserellidae402025+91%1969
Indigo BuntingCardinalidae402025+53%1969
Northern CardinalCardinalidae372025+270%1969
Chipping SparrowPasserellidae332025+15%1969
Wood ThrushTurdidae332025+191%1969
House SparrowPasseridae312025-37%1969
Red-winged BlackbirdIcteridae302025-54%1969
American CrowCorvidae292025-1%1969
American GoldfinchFringillidae202025+0%1969
Field SparrowPasserellidae202025+21%1969
Wild TurkeyPhasianidae182025+425%1972
Chimney SwiftApodidae162025+94%1969
Carolina WrenTroglodytidae16202513×1970
Tufted TitmouseParidae142025+135%1969
House FinchFringillidae142025-9%1984
Red-bellied WoodpeckerPicidae132025+875%1984
Rock PigeonColumbidae112025-66%1969
Eastern TowheePasserellidae112025+8%1969
Downy WoodpeckerPicidae112025+213%1970
Scarlet TanagerCardinalidae102025-5%1969
Brown ThrasherMimidae102025-12%1970
American RedstartParulidae10202519×1973
Tree SwallowHirundinidae102025+700%1987
Common YellowthroatParulidae92025-13%1969
Northern House WrenTroglodytidae82025+22%1969
Black-capped ChickadeeParidae82025+29%1969
Eastern Wood-PeweeTyrannidae72025+64%1969
Barn SwallowHirundinidae72025-43%1969
OvenbirdParulidae72025+467%1970
Eastern BluebirdTurdidae72025+733%1970
Blue-gray GnatcatcherPolioptilidae72025+300%1975
White-breasted NuthatchSittidae62025+178%1969
Yellow WarblerParulidae52025+92%1970
Eastern PhoebeTyrannidae42025-32%1969

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