BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Munson Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 123 species recorded across 44 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 →
44Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1979–2025Span
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 VireoVireonidae942025+171%1981
American RobinTurdidae582025-38%1981
American CrowCorvidae472025+7%1981
OvenbirdParulidae472025+83%1981
Chipping SparrowPasserellidae402025-36%1981
Cedar WaxwingBombycillidae292025+34%1982
Red-winged BlackbirdIcteridae252025-70%1981
Song SparrowPasserellidae252025+100%1981
Tufted TitmouseParidae242025+525%1981
Eastern TowheePasserellidae202025-17%1981
Northern CardinalCardinalidae202025+259%1981
Indigo BuntingCardinalidae192025+61%1981
Gray CatbirdMimidae192025+136%1981
Chimney SwiftApodidae182025+129%1982
American GoldfinchFringillidae162025+267%1981
Common YellowthroatParulidae162025-4%1981
Mourning DoveColumbidae152025+43%1981
Black-throated Green WarblerParulidae152025+254%1988
Blue JayCorvidae142025+70%1981
European StarlingSturnidae142025-74%1981
Yellow WarblerParulidae142025+150%1981
Common GrackleIcteridae112025-69%1981
Wood ThrushTurdidae112025-69%1981
American RedstartParulidae112025+75%1989
Eastern Wood-PeweeTyrannidae102025-29%1981
Black-capped ChickadeeParidae102025+225%1981
Black-and-white WarblerParulidae92025+155%1981
House SparrowPasseridae92025-35%1981
Scarlet TanagerCardinalidae82025+371%1983
Chestnut-sided WarblerParulidae82025+110%1988
Blackburnian WarblerParulidae82025+114%1990
Great Crested FlycatcherTyrannidae72025+325%1983
Northern House WrenTroglodytidae72025+4%1981
Cliff SwallowHirundinidae72025+967%1990
Turkey VultureCathartidae62025+100%1983
Bank SwallowHirundinidae51984+43%1980
White-breasted NuthatchSittidae52025+138%1982
House FinchFringillidae52025-20%1987
Carolina WrenTroglodytidae52025+325%2002
Downy WoodpeckerPicidae42025+180%1981

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.