BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Greentown Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 138 species recorded across 50 survey years, still active.

138Species 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 →
50Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1969–2024Span
4Observers

Bird Species Found on Pennsylvania Greentown

Top 40 of 138 species by most recent count. Each links to its species trend.

Species recorded on the Greentown 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-eyed VireoVireonidae832024+368%1971
European StarlingSturnidae762024-63%1971
American RobinTurdidae682024+63%1971
Chipping SparrowPasserellidae492024+1%1971
Gray CatbirdMimidae392024+253%1971
Red-winged BlackbirdIcteridae352024-6%1971
Song SparrowPasserellidae312024+34%1971
Tufted TitmouseParidae302024+638%1973
Mourning DoveColumbidae292024+380%1973
American CrowCorvidae292024+80%1971
Barn SwallowHirundinidae212024-26%1971
OvenbirdParulidae21202416×1972
Common YellowthroatParulidae202024+300%1971
BobolinkIcteridae182023+8%1971
Northern House WrenTroglodytidae182024+83%1971
Northern CardinalCardinalidae162024+275%1971
Black-capped ChickadeeParidae162024+195%1972
VeeryTurdidae162024+244%1971
Blue JayCorvidae142024+80%1971
Eastern TowheePasserellidae142024+14%1971
White-breasted NuthatchSittidae142024+357%1972
KilldeerCharadriidae132024+214%1971
Scarlet TanagerCardinalidae132024+164%1972
Red-bellied WoodpeckerPicidae122024+700%1983
Eastern PhoebeTyrannidae112024+173%1971
Yellow WarblerParulidae112024+238%1971
American GoldfinchFringillidae102024-29%1971
Wood ThrushTurdidae102024+41%1971
Wild TurkeyPhasianidae102023+467%1995
Eastern BluebirdTurdidae92024+171%1971
Great Crested FlycatcherTyrannidae92024+6%1973
Warbling VireoVireonidae92024+56%1973
Wood DuckAnatidae92018+86%1997
MallardAnatidae82014-5%1972
Eastern KingbirdTyrannidae82024+83%1971
Eastern Wood-PeweeTyrannidae82024+450%1971
Chestnut-sided WarblerParulidae82024+225%1977
Turkey VultureCathartidae72024+78%1971
Downy WoodpeckerPicidae72024+67%1971
American RedstartParulidae72024+36%1974

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