BirdAnalyst
BBS Route · Pennsylvania · BCR 13

Ferris Crnrs Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 127 species recorded across 47 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 →
47Years 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
5Observers

Bird Species Found on Pennsylvania Ferris Crnrs

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

Species recorded on the Ferris Crnrs 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 StarlingSturnidae1132025+88%1968
American RobinTurdidae752025+29%1968
Canada GooseAnatidae662023+144%1990
American CrowCorvidae572025+221%1968
Song SparrowPasserellidae512025+17%1968
Gray CatbirdMimidae382025+644%1968
Red-winged BlackbirdIcteridae372025-70%1968
American GoldfinchFringillidae372025+100%1968
Northern CardinalCardinalidae262025+365%1968
Indigo BuntingCardinalidae252025+393%1968
Common GrackleIcteridae242025-34%1968
Chipping SparrowPasserellidae242025+322%1968
Common YellowthroatParulidae242025+177%1968
Mourning DoveColumbidae192025+578%1968
Red-eyed VireoVireonidae162025+678%1968
House SparrowPasseridae162025-20%1968
Barn SwallowHirundinidae142025-6%1968
VeeryTurdidae112025+400%1969
Blue JayCorvidae102025+56%1969
Swamp SparrowPasserellidae102025+264%1968
Northern House WrenTroglodytidae82025+83%1968
Red-bellied WoodpeckerPicidae82025+440%2008
Eastern TowheePasserellidae72025+460%1968
White-breasted NuthatchSittidae72025+667%1973
House FinchFringillidae72025-30%1988
Red-tailed HawkAccipitridae62024+200%1971
Common RavenCorvidae62024+300%2014
Eastern BluebirdTurdidae52025+83%1986
Tufted TitmouseParidae52025+100%1991
Turkey VultureCathartidae52025+300%1995
Common MerganserAnatidae52021+400%1997
Chimney SwiftApodidae42025+36%1968
Tree SwallowHirundinidae42024+86%1970
Yellow WarblerParulidae42025-44%1968
Yellow-bellied SapsuckerPicidae42025+400%1999
KilldeerCharadriidae32025-44%1968
Ring-necked PheasantPhasianidae31995-20%1969
Rock PigeonColumbidae32024+0%1968
Eastern KingbirdTyrannidae32024+50%1968
Eastern PhoebeTyrannidae32025-33%1970

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