BirdAnalyst
BBS Route · Pennsylvania · BCR 28

N Washington Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 127 species recorded across 45 survey years, still active.

127Species 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 →
45Years 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
5Observers

Bird Species Found on Pennsylvania N Washington

Top 40 of 127 species by most recent count. Each links to its species trend.

Species recorded on the N Washington 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 StarlingSturnidae1012025-41%1970
American RobinTurdidae882025+28%1970
Red-eyed VireoVireonidae702025+298%1970
Red-winged BlackbirdIcteridae662025-6%1970
Song SparrowPasserellidae402025-6%1970
Common YellowthroatParulidae382025+61%1970
Gray CatbirdMimidae382025+75%1970
Chimney SwiftApodidae322025-7%1970
OvenbirdParulidae292025+800%1970
Northern CardinalCardinalidae262025+78%1970
Eastern TowheePasserellidae252025+123%1970
Mourning DoveColumbidae242025+133%1970
Northern House WrenTroglodytidae202025+11%1970
Canada GooseAnatidae202023+493%1997
American CrowCorvidae162025+74%1970
Common GrackleIcteridae162025-59%1970
American GoldfinchFringillidae162025-39%1970
Chipping SparrowPasserellidae152025-37%1970
Indigo BuntingCardinalidae152025+330%1970
Yellow WarblerParulidae152025+27%1970
Wood ThrushTurdidae152025-13%1970
Carolina WrenTroglodytidae142025+383%1983
Black-capped ChickadeeParidae132025-11%1974
Turkey VultureCathartidae122025+320%1996
Blue JayCorvidae112025+90%1970
Field SparrowPasserellidae112025-37%1970
House SparrowPasseridae92025-22%1970
Wild TurkeyPhasianidae82025+275%1996
Red-bellied WoodpeckerPicidae82025+625%2001
Hooded WarblerParulidae62025+267%1973
Tufted TitmouseParidae62025+300%1970
Swamp SparrowPasserellidae62025+120%2000
Rock PigeonColumbidae52025-69%1970
Eastern BluebirdTurdidae52025+67%1994
Eastern KingbirdTyrannidae52025+150%1977
Eastern Wood-PeweeTyrannidae42025+90%1970
Eastern MeadowlarkIcteridae42025-74%1970
Grasshopper SparrowPasserellidae42025-35%1970
Scarlet TanagerCardinalidae42025+50%1970
Blue-gray GnatcatcherPolioptilidae42025+300%1980

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