BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Whig Hill Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 119 species recorded across 57 survey years, still active.

119Species 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 →
57Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2025Span
7Observers

Bird Species Found on Pennsylvania Whig Hill

Top 40 of 119 species by most recent count. Each links to its species trend.

Species recorded on the Whig Hill 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 VireoVireonidae412025+46%1968
American RobinTurdidae352025-16%1968
American CrowCorvidae312025+51%1968
Song SparrowPasserellidae162025-35%1968
European StarlingSturnidae142025-45%1968
Common GrackleIcteridae132025+14%1968
American GoldfinchFringillidae112025+37%1968
Northern CardinalCardinalidae112025+257%1968
Indigo BuntingCardinalidae112025-73%1968
Gray CatbirdMimidae102025-3%1968
Tufted TitmouseParidae102025+200%1969
Eastern Wood-PeweeTyrannidae92025-64%1968
American RedstartParulidae92025+47%1968
Yellow WarblerParulidae92025+0%1969
Chipping SparrowPasserellidae82025-33%1968
OvenbirdParulidae82025+69%1969
Hooded WarblerParulidae82025+280%1973
Scarlet TanagerCardinalidae62025-43%1968
Chestnut-sided WarblerParulidae62025-70%1968
Blackburnian WarblerParulidae62025+109%1969
Red-winged BlackbirdIcteridae52025-79%1968
Eastern TowheePasserellidae52025-83%1968
Chimney SwiftApodidae42025-14%1968
Eastern PhoebeTyrannidae42025+89%1968
Blue JayCorvidae42025-43%1968
Cedar WaxwingBombycillidae42025-26%1971
House SparrowPasseridae42025-50%1968
Black-capped ChickadeeParidae42025-39%1968
Baltimore OrioleIcteridae42025+10%1970
Brown-headed CowbirdIcteridae32023-47%1969
Yellow-throated VireoVireonidae32025-33%1970
Black-throated Green WarblerParulidae32025+29%1969
Common YellowthroatParulidae32025-56%1968
Northern House WrenTroglodytidae32025-57%1968
Yellow-bellied SapsuckerPicidae32025+175%1995
KilldeerCharadriidae22014+75%1972
Mourning DoveColumbidae22025-10%1968
Pileated WoodpeckerPicidae22024+40%1978
Northern Rough-winged SwallowHirundinidae22011-29%1977
Warbling VireoVireonidae22025-20%1981

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