BirdAnalyst
BBS Route · Pennsylvania · BCR 13

Akeley Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 88 species recorded across 12 survey years, no longer active.

88Species 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 →
12Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–1979Span
2Observers

Bird Species Found on Pennsylvania Akeley

Top 40 of 88 species by most recent count. Each links to its species trend.

Species recorded on the Akeley 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 BlackbirdIcteridae2031979-39%1968
European StarlingSturnidae941979-50%1968
American RobinTurdidae711979-52%1968
House SparrowPasseridae671979-35%1968
Barn SwallowHirundinidae491979+15%1968
American CrowCorvidae431979-25%1968
Common GrackleIcteridae381979-50%1968
Song SparrowPasserellidae331979-39%1968
Chipping SparrowPasserellidae281979-2%1968
Common YellowthroatParulidae221979-43%1968
Savannah SparrowPasserellidae181979-49%1968
Yellow WarblerParulidae181979-47%1968
Eastern MeadowlarkIcteridae151979-75%1968
Northern House WrenTroglodytidae151979+0%1968
Wood ThrushTurdidae151979+140%1968
Indigo BuntingCardinalidae131979+26%1968
American GoldfinchFringillidae111979-45%1968
KilldeerCharadriidae101979-6%1968
Mourning DoveColumbidae101979+50%1968
BobolinkIcteridae91979-69%1968
Gray CatbirdMimidae91979+20%1968
Tree SwallowHirundinidae91979-47%1970
Blue JayCorvidae81979+67%1968
Cedar WaxwingBombycillidae81979-48%1969
Red-eyed VireoVireonidae81979-5%1968
Rock PigeonColumbidae61979-59%1968
Chimney SwiftApodidae61979-40%1968
Field SparrowPasserellidae61979-66%1968
Purple MartinHirundinidae61976+12%1968
Warbling VireoVireonidae61976+33%1968
Black-capped ChickadeeParidae61979+75%1968
Rose-breasted GrosbeakCardinalidae61976+0%1970
Horned LarkAlaudidae51979-67%1968
Eastern Wood-PeweeTyrannidae41979-46%1968
Least FlycatcherTyrannidae41979+10%1968
Mourning WarblerParulidae41974+75%1968
VeeryTurdidae41979+0%1971
Upland SandpiperScolopacidae41968+300%1967
Eastern KingbirdTyrannidae31979-60%1969
Eastern PhoebeTyrannidae31976+23%1968

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