BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Lynch Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 122 species recorded across 55 survey years, still active.

122Species 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 →
55Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2025Span
5Observers

Bird Species Found on Pennsylvania Lynch

Top 40 of 122 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
OvenbirdParulidae742025+350%1970
Red-eyed VireoVireonidae552025+82%1970
American RobinTurdidae272025-53%1970
American CrowCorvidae212025+300%1970
Black-throated Green WarblerParulidae162025+256%1971
Blue JayCorvidae142025+250%1970
Black-throated Blue WarblerParulidae142025+340%1972
Blue-headed VireoVireonidae142025+386%1984
Common YellowthroatParulidae132025-48%1970
Blackburnian WarblerParulidae122025+175%1970
Chimney SwiftApodidae102025+0%1970
Chipping SparrowPasserellidae102025-62%1970
Song SparrowPasserellidae102025-57%1970
Common GrackleIcteridae82025+57%1970
Scarlet TanagerCardinalidae82025+30%1970
Gray CatbirdMimidae82025+23%1970
Yellow-bellied SapsuckerPicidae82025+83%1997
Black-capped ChickadeeParidae72025+32%1970
Hermit ThrushTurdidae72025+59%1970
Wild TurkeyPhasianidae62025+200%1972
Downy WoodpeckerPicidae62022+71%1970
American GoldfinchFringillidae62025+20%1970
Indigo BuntingCardinalidae62025+240%1970
Eastern PhoebeTyrannidae52025+160%1970
Red-winged BlackbirdIcteridae52025-5%1970
Chestnut-sided WarblerParulidae52025-75%1970
House SparrowPasseridae52025-58%1970
Eastern TowheePasserellidae42025-74%1970
Cedar WaxwingBombycillidae42025+46%1970
Northern House WrenTroglodytidae42025+40%1970
Tufted TitmouseParidae42025+75%1977
Winter WrenTroglodytidae42025+150%2000
Mourning DoveColumbidae32025+143%1978
Cliff SwallowHirundinidae32017-13%1979
Common MerganserAnatidae32019-62%1997
Hooded WarblerParulidae32025+13%1998
Carolina WrenTroglodytidae32025+200%2016
Least FlycatcherTyrannidae22025-75%1970
Brown-headed CowbirdIcteridae22025-77%1970
Field SparrowPasserellidae22025-88%1970

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