BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Munson Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 123 species recorded across 43 survey years, still active.

123Species 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 →
43Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1979–2024Span
4Observers

Bird Species Found on Pennsylvania Munson

Top 40 of 123 species by most recent count. Each links to its species trend.

Species recorded on the Munson 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 VireoVireonidae882024+154%1981
American RobinTurdidae732024-31%1981
American CrowCorvidae492024+4%1981
OvenbirdParulidae382024+75%1981
Cedar WaxwingBombycillidae372024+42%1982
Red-winged BlackbirdIcteridae272024-72%1981
Blue JayCorvidae212024+87%1981
Mourning DoveColumbidae202024+52%1981
Chipping SparrowPasserellidae202024-50%1981
Chimney SwiftApodidae202024+110%1982
Song SparrowPasserellidae192024+82%1981
Common YellowthroatParulidae182024+0%1981
European StarlingSturnidae172024-49%1981
American GoldfinchFringillidae172024+267%1981
Black-throated Green WarblerParulidae172024+239%1988
Eastern TowheePasserellidae162024-9%1981
Common GrackleIcteridae152024-73%1981
Northern CardinalCardinalidae152024+235%1981
Scarlet TanagerCardinalidae142024+286%1983
Tufted TitmouseParidae142024+363%1981
Gray CatbirdMimidae132024+121%1981
Northern House WrenTroglodytidae122024+25%1981
Black-and-white WarblerParulidae112024+146%1981
Indigo BuntingCardinalidae102024+30%1981
Black-throated Blue WarblerParulidae92024+71%1996
Eastern PhoebeTyrannidae82024+143%1981
Black-capped ChickadeeParidae82024+233%1981
Chestnut-sided WarblerParulidae82024+180%1988
Cliff SwallowHirundinidae8202411×1990
Eastern Wood-PeweeTyrannidae72024-42%1981
Field SparrowPasserellidae72024-41%1981
Wood ThrushTurdidae72024-76%1981
American RedstartParulidae72024+50%1989
Downy WoodpeckerPicidae62024+180%1981
Blue-headed VireoVireonidae62024+67%1983
Yellow WarblerParulidae62024+60%1981
House SparrowPasseridae62024-19%1981
White-breasted NuthatchSittidae62024+175%1982
VeeryTurdidae62024+300%1982
Carolina WrenTroglodytidae62024+300%2002

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