BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Parkwood Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 120 species recorded across 56 survey years, still active.

120Species 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 →
56Years 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
3Observers

Bird Species Found on Pennsylvania Parkwood

Top 40 of 120 species by most recent count. Each links to its species trend.

Species recorded on the Parkwood 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
American RobinTurdidae782025+12%1969
European StarlingSturnidae752025+12%1969
Red-eyed VireoVireonidae592025+445%1969
Red-winged BlackbirdIcteridae572025-43%1969
Song SparrowPasserellidae402025+47%1969
Chimney SwiftApodidae362025+118%1969
Eastern TowheePasserellidae352025+65%1969
Common GrackleIcteridae272025+8%1969
Gray CatbirdMimidae252025+40%1969
Mourning DoveColumbidae222025+57%1969
Yellow WarblerParulidae222025+29%1969
American CrowCorvidae182025+216%1969
House SparrowPasseridae172025+17%1969
Northern CardinalCardinalidae162025+104%1969
Common YellowthroatParulidae162025+25%1969
OvenbirdParulidae122025+300%1971
Tufted TitmouseParidae122025+517%1969
Chipping SparrowPasserellidae102025-53%1969
Northern House WrenTroglodytidae92025+72%1969
Wood ThrushTurdidae92025-24%1969
Cedar WaxwingBombycillidae82025+486%1974
Turkey VultureCathartidae82025+367%1986
Blue JayCorvidae72025+317%1969
Scarlet TanagerCardinalidae72025+0%1969
Carolina WrenTroglodytidae72025+700%1974
Hooded WarblerParulidae72025+46%1986
KilldeerCharadriidae62025+33%1969
Indigo BuntingCardinalidae62025+46%1969
Barn SwallowHirundinidae62025-39%1969
Eastern PhoebeTyrannidae52025-7%1969
Eastern BluebirdTurdidae52024+63%1986
Northern MockingbirdMimidae52025+300%2000
Baltimore OrioleIcteridae42025+0%1969
American GoldfinchFringillidae42025-53%1969
Yellow-throated VireoVireonidae42025+125%1989
Red-tailed HawkAccipitridae32023+200%1986
Brown-headed CowbirdIcteridae32025-13%1969
Eastern MeadowlarkIcteridae32025-58%1969
American RedstartParulidae32025+233%1969
Brown ThrasherMimidae32025-81%1969

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