BirdAnalyst
BBS Route · Pennsylvania · BCR 13

Espyville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 122 species recorded across 40 survey years, still active.

122Species 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 →
40Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2024Span
4Observers

Bird Species Found on Pennsylvania Espyville

Top 40 of 122 species by most recent count. Each links to its species trend.

Species recorded on the Espyville 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 StarlingSturnidae2102024-13%1971
American RobinTurdidae862024-19%1971
Red-winged BlackbirdIcteridae582024-73%1971
American CrowCorvidae452024+21%1971
Song SparrowPasserellidae382024-6%1971
House SparrowPasseridae372024-40%1971
Common GrackleIcteridae362024-81%1971
Barn SwallowHirundinidae322024+23%1971
Red-eyed VireoVireonidae272024+76%1971
Northern CardinalCardinalidae262024+111%1971
Blue JayCorvidae232024+55%1971
Chipping SparrowPasserellidae232024+181%1971
Mourning DoveColumbidae212024-14%1971
American GoldfinchFringillidae172024-67%1971
Ring-billed GullLaridae162024+175%2000
Gray CatbirdMimidae142024+59%1971
KilldeerCharadriidae132024+4%1971
Eastern BluebirdTurdidae132024+114%1994
House FinchFringillidae92024-84%1994
Red-bellied WoodpeckerPicidae82024+350%1995
Chimney SwiftApodidae72024-58%1971
Tufted TitmouseParidae72024+150%1971
Rose-breasted GrosbeakCardinalidae62024-17%1973
Indigo BuntingCardinalidae62024-22%1972
Turkey VultureCathartidae62024+47%1993
Brown-headed CowbirdIcteridae52024-87%1971
Cedar WaxwingBombycillidae52024+23%1972
Common YellowthroatParulidae52024-58%1971
Northern House WrenTroglodytidae52024+0%1971
Black-capped ChickadeeParidae52024+180%1972
White-breasted NuthatchSittidae52024+250%1974
Carolina WrenTroglodytidae52024+350%1994
Common RavenCorvidae51989n/an/a
Wild TurkeyPhasianidae52022-22%2006
Eastern MeadowlarkIcteridae42023-90%1971
Tree SwallowHirundinidae42023-52%1989
Eastern PhoebeTyrannidae32024+13%1971
Cliff SwallowHirundinidae32024+25%1996
Wood ThrushTurdidae32023-85%1971
Hairy WoodpeckerPicidae32024+133%1973

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