BirdAnalyst
BBS Route · Pennsylvania · BCR 29

Pottstown Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 72 species recorded across 14 survey years, no longer active.

72Species 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 →
14Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–1987Span
3Observers

Bird Species Found on Pennsylvania Pottstown

Top 40 of 72 species by most recent count. Each links to its species trend.

Species recorded on the Pottstown 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 StarlingSturnidae1941987-42%1971
Common GrackleIcteridae1831987-64%1971
American RobinTurdidae1371987+72%1971
American CrowCorvidae501987+70%1971
Mourning DoveColumbidae401987+26%1971
Song SparrowPasserellidae371987+111%1971
Rock PigeonColumbidae351987-71%1971
Red-winged BlackbirdIcteridae311987-29%1971
House FinchFringillidae291987-38%1986
Northern CardinalCardinalidae271987+157%1971
Canada GooseAnatidae261986+107%1978
House SparrowPasseridae241987-73%1971
Northern House WrenTroglodytidae231987-9%1971
Northern MockingbirdMimidae221987+14%1971
Barn SwallowHirundinidae201987-2%1971
Chimney SwiftApodidae161987-24%1971
Blue JayCorvidae161987+18%1971
Brown-headed CowbirdIcteridae131987-35%1973
Chipping SparrowPasserellidae131987-5%1971
Common YellowthroatParulidae91987+73%1971
Ring-necked PheasantPhasianidae81987-29%1971
Gray CatbirdMimidae71987+56%1971
Eastern MeadowlarkIcteridae61987-10%1972
Indigo BuntingCardinalidae61987+17%1971
Tufted TitmouseParidae61987+125%1973
Eastern KingbirdTyrannidae51987+60%1971
American GoldfinchFringillidae51987+33%1971
KilldeerCharadriidae41986-36%1972
Carolina ChickadeeParidae41987-43%1986
Downy WoodpeckerPicidae31987+200%1972
Yellow WarblerParulidae31987+167%1975
American RedstartParulidae31974n/an/a
Eastern Wood-PeweeTyrannidae31987+200%1986
Purple MartinHirundinidae21975+100%1970
Yellow-billed CuckooCuculidae21978+100%1971
OvenbirdParulidae21987+100%1971
Red-tailed HawkAccipitridae21987+50%1979
Black-capped ChickadeeParidae21979+100%1977
American Black DuckAnatidae21979n/an/a
Red-bellied WoodpeckerPicidae21987+100%1980

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.