BirdAnalyst
BBS Route · Pennsylvania · BCR 13

Harrisville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 117 species recorded across 27 survey years, still active.

117Species 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 →
27Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1995–2025Span
4Observers

Bird Species Found on Pennsylvania Harrisville

Top 40 of 117 species by most recent count. Each links to its species trend.

Species recorded on the Harrisville 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
Red-winged BlackbirdIcteridae592025-38%1997
American RobinTurdidae542025-2%1997
Northern CardinalCardinalidae402025+71%1997
American CrowCorvidae392025-47%1997
European StarlingSturnidae362025-22%1997
Red-eyed VireoVireonidae352025+241%1997
Song SparrowPasserellidae302025+86%1997
Gray CatbirdMimidae272025+98%1997
Barn SwallowHirundinidae252025+76%1997
Wood ThrushTurdidae222025+30%1997
American GoldfinchFringillidae212025+127%1997
Rock PigeonColumbidae182025+23%1997
Cliff SwallowHirundinidae182011n/an/a
Canada GooseAnatidae172025-83%1997
Tufted TitmouseParidae172025+155%1997
Mourning DoveColumbidae162025+38%1997
Common YellowthroatParulidae162025+0%1997
Common GrackleIcteridae142025-63%1997
Chipping SparrowPasserellidae142025-41%1997
Sandhill CraneGruidae142023+600%2021
Indigo BuntingCardinalidae132025+18%1997
Blue JayCorvidae122025-3%1997
Eastern TowheePasserellidae122025+153%1997
Eastern Wood-PeweeTyrannidae112025+81%1997
Red-bellied WoodpeckerPicidae112025+300%1999
Brown-headed CowbirdIcteridae112025+15%1999
OvenbirdParulidae102025+75%1997
White-breasted NuthatchSittidae102025+425%1998
Scarlet TanagerCardinalidae92025+213%1998
Northern House WrenTroglodytidae92025+68%1997
Hooded WarblerParulidae92025+20%1998
Cedar WaxwingBombycillidae92025-37%1999
Black-capped ChickadeeParidae72025-23%1998
House SparrowPasseridae62025-48%1997
Turkey VultureCathartidae52025+140%1997
Wood DuckAnatidae52019+50%2011
Purple MartinHirundinidae52025+14%2018
House FinchFringillidae42025-85%1997
Savannah SparrowPasserellidae42025-70%1997
Yellow WarblerParulidae42025+20%1997

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