BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Whig Hill Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 119 species recorded across 56 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 →
56Years 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
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
American CrowCorvidae392024+46%1968
Red-eyed VireoVireonidae372024+52%1968
American RobinTurdidae252024-23%1968
Song SparrowPasserellidae122024-39%1968
Gray CatbirdMimidae112024-6%1968
American GoldfinchFringillidae102024+11%1968
Cedar WaxwingBombycillidae102024-22%1971
Blackburnian WarblerParulidae102024+118%1969
Tufted TitmouseParidae102024+210%1969
Common GrackleIcteridae92024-4%1968
Chimney SwiftApodidae82024+5%1968
Scarlet TanagerCardinalidae82024-57%1968
Blue JayCorvidae72024-30%1968
European StarlingSturnidae72024-55%1968
Northern CardinalCardinalidae72024+257%1968
OvenbirdParulidae72024+88%1969
American RedstartParulidae72024+47%1968
Eastern PhoebeTyrannidae62024+122%1968
Chestnut-sided WarblerParulidae62024-63%1968
House SparrowPasseridae52024-24%1968
Wood ThrushTurdidae52024-68%1968
Yellow-bellied SapsuckerPicidae52024+225%1995
Chipping SparrowPasserellidae42024-12%1968
Common YellowthroatParulidae42024-56%1968
VeeryTurdidae42024-72%1968
Hooded WarblerParulidae42024+220%1973
Rose-breasted GrosbeakCardinalidae42024+0%1970
Mourning DoveColumbidae32024+30%1968
Brown-headed CowbirdIcteridae32023-47%1969
Red-winged BlackbirdIcteridae32024-73%1968
Black-capped ChickadeeParidae32024-22%1968
Turkey VultureCathartidae32023-65%1970
Barn SwallowHirundinidae32023-64%1971
Yellow WarblerParulidae32024+0%1969
Blue-headed VireoVireonidae32024+167%1983
Red-bellied WoodpeckerPicidae32024+200%1994
Carolina WrenTroglodytidae32024+100%2006
KilldeerCharadriidae22014+75%1972
Pileated WoodpeckerPicidae22024+40%1978
Eastern Wood-PeweeTyrannidae22024-78%1968

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