BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Ridgway Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 106 species recorded across 32 survey years, no longer active.

106Species 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 →
32Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2018Span
7Observers

Bird Species Found on Pennsylvania Ridgway

Top 40 of 106 species by most recent count. Each links to its species trend.

Species recorded on the Ridgway 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
Common GrackleIcteridae762018+71%1968
American RobinTurdidae662018-1%1968
Song SparrowPasserellidae552018-4%1968
American CrowCorvidae452018+65%1968
Red-eyed VireoVireonidae442018+120%1968
Cedar WaxwingBombycillidae322018+158%1968
OvenbirdParulidae282018+669%1968
Chipping SparrowPasserellidae222018+49%1968
Indigo BuntingCardinalidae222018+71%1968
American GoldfinchFringillidae202018+111%1968
Gray CatbirdMimidae162018+27%1968
Black-throated Green WarblerParulidae162018+107%1991
Mourning DoveColumbidae152018+278%1971
European StarlingSturnidae152018-29%1968
Northern CardinalCardinalidae152018+260%1970
Common YellowthroatParulidae152018+29%1968
Red-winged BlackbirdIcteridae142018-71%1968
Black-capped ChickadeeParidae132018+167%1968
Chestnut-sided WarblerParulidae132018-17%1971
Blackburnian WarblerParulidae122018+383%1971
Blue JayCorvidae112018-7%1968
Blue-headed VireoVireonidae112018+63%1991
Northern House WrenTroglodytidae82018+100%1968
American RedstartParulidae62018+460%1970
House FinchFringillidae62018-62%1991
Magnolia WarblerParulidae62018+167%2002
Eastern PhoebeTyrannidae52018+160%1968
Baltimore OrioleIcteridae52016+300%1972
Eastern TowheePasserellidae52018-52%1968
Barn SwallowHirundinidae52018-75%1968
Hermit ThrushTurdidae52018+8%1968
Cliff SwallowHirundinidae51967n/an/a
White-breasted NuthatchSittidae52018+175%1989
Rock PigeonColumbidae42015-68%2003
Common RavenCorvidae42018+27%1995
Tufted TitmouseParidae42014-8%2003
Swamp SparrowPasserellidae41992+300%1989
MallardAnatidae42011+0%2002
Canada GooseAnatidae42008-54%2003
Chimney SwiftApodidae32018-29%1988

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