BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Lynch Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 121 species recorded across 54 survey years, still active.

121Species 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 →
54Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2024Span
5Observers

Bird Species Found on Pennsylvania Lynch

Top 40 of 121 species by most recent count. Each links to its species trend.

Species recorded on the Lynch 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
OvenbirdParulidae812024+307%1970
Red-eyed VireoVireonidae522024+81%1970
Cedar WaxwingBombycillidae422024+64%1970
American CrowCorvidae362024+300%1970
American RobinTurdidae252024-51%1970
Black-throated Green WarblerParulidae242024+283%1971
Blue JayCorvidae192024+236%1970
Red-winged BlackbirdIcteridae142024-7%1970
Hermit ThrushTurdidae112024+59%1970
Song SparrowPasserellidae102024-50%1970
Blue-headed VireoVireonidae102024+386%1984
Common GrackleIcteridae92024+96%1970
Gray CatbirdMimidae82024+23%1970
Scarlet TanagerCardinalidae72024+55%1970
Common YellowthroatParulidae72024-52%1970
Downy WoodpeckerPicidae62022+71%1970
Black-capped ChickadeeParidae62024+42%1970
Common RavenCorvidae62024+14%1997
American GoldfinchFringillidae52023+40%1970
Eastern TowheePasserellidae52024-80%1970
American RedstartParulidae52024-42%1971
Black-throated Blue WarblerParulidae52024+100%1972
Mourning DoveColumbidae42024+171%1978
Eastern PhoebeTyrannidae42024+160%1970
Chipping SparrowPasserellidae42024-68%1970
White-breasted NuthatchSittidae42024+38%1972
Northern ParulaParulidae42024+0%1977
Yellow-bellied SapsuckerPicidae42024+142%1997
Brown-headed CowbirdIcteridae32023-70%1970
Northern House WrenTroglodytidae32024+130%1970
Wood ThrushTurdidae32024-89%1970
Cliff SwallowHirundinidae32017-13%1979
Common MerganserAnatidae32019-62%1997
Wild TurkeyPhasianidae22022+33%1972
Chimney SwiftApodidae22024+0%1970
Northern CardinalCardinalidae22024+100%1971
Indigo BuntingCardinalidae22024+360%1970
Purple MartinHirundinidae21984-43%1971
House SparrowPasseridae22024-79%1970
VeeryTurdidae22024-77%1970

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