BBS Route · Pennsylvania · BCR 28

Shelocta Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 120 species recorded across 52 survey years, still active.

Bird Species Found on Pennsylvania Shelocta

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

Species recorded on the Shelocta 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 RobinTurdidae852024+22%1970
Red-winged BlackbirdIcteridae742024-4%1970
Song SparrowPasserellidae562024+65%1970
European StarlingSturnidae522024-10%1970
Red-eyed VireoVireonidae462024+273%1970
Common GrackleIcteridae422024-7%1970
American CrowCorvidae392024+119%1970
Mourning DoveColumbidae222024+53%1970
Barn SwallowHirundinidae222024+132%1970
Northern CardinalCardinalidae212024+96%1970
Common YellowthroatParulidae192024+50%1970
Chipping SparrowPasserellidae152024-68%1970
Carolina WrenTroglodytidae152024+420%1973
Eastern TowheePasserellidae142024-53%1970
Indigo BuntingCardinalidae132024+8%1970
Yellow WarblerParulidae132024-12%1970
House SparrowPasseridae122024-47%1970
Chimney SwiftApodidae122024+38%1971
Gray CatbirdMimidae112024-2%1970
Field SparrowPasserellidae92024-3%1970
Cedar WaxwingBombycillidae92024+320%1972
American GoldfinchFringillidae82024-43%1970
Purple MartinHirundinidae81974-25%1970
Tufted TitmouseParidae72024+60%1970
Red-bellied WoodpeckerPicidae72024+240%1989
Canada GooseAnatidae72024-46%1996
Acadian FlycatcherTyrannidae62024+280%1970
KilldeerCharadriidae62024+117%1972
American RedstartParulidae52024-21%1970
Yellow-throated VireoVireonidae52024+175%1986
MallardAnatidae52024+40%1989
Wild TurkeyPhasianidae52024+325%1994
Eastern Wood-PeweeTyrannidae42024+56%1970
Baltimore OrioleIcteridae42024-48%1970
Scarlet TanagerCardinalidae42024-33%1970
Northern MockingbirdMimidae42024+175%2002
Northern Rough-winged SwallowHirundinidae42024+75%1979
Orchard OrioleIcteridae42023+200%1996
Eastern MeadowlarkIcteridae32024-69%1970
Wood ThrushTurdidae32024-53%1970

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