BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Roulette 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 80 species recorded across 4 survey years, still active.

80Species 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 →
4Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2022–2025Span
1Observers

Bird Species Found on Pennsylvania Roulette 2

Top 40 of 80 species by most recent count. Each links to its species trend.

Species recorded on the Roulette 2 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
American RobinTurdidae632025+22%2023
OvenbirdParulidae512025+10%2023
Red-eyed VireoVireonidae462025-19%2023
American CrowCorvidae422025-4%2023
Red-winged BlackbirdIcteridae332025-2%2023
Common YellowthroatParulidae312025+5%2023
Song SparrowPasserellidae272025-18%2023
Yellow WarblerParulidae252025+89%2023
Gray CatbirdMimidae242025-13%2023
Mourning DoveColumbidae222025+32%2023
Black-capped ChickadeeParidae172025+11%2023
Hooded WarblerParulidae16202416×2022
Eastern PhoebeTyrannidae152025+59%2023
American GoldfinchFringillidae152025+23%2023
Blue JayCorvidae132025-33%2023
Chestnut-sided WarblerParulidae132025-33%2023
Canada GooseAnatidae122025-46%2023
European StarlingSturnidae122025+27%2023
Chipping SparrowPasserellidae122025-37%2023
Black-throated Green WarblerParulidae112025-19%2023
Common GrackleIcteridae102025+50%2023
Field SparrowPasserellidae92024+80%2022
Eastern TowheePasserellidae92025-29%2023
Indigo BuntingCardinalidae92025-48%2023
Cedar WaxwingBombycillidae92025+14%2023
Wild TurkeyPhasianidae92025+350%2023
Yellow-bellied SapsuckerPicidae82025+12%2023
Blackburnian WarblerParulidae82025-18%2023
Wood ThrushTurdidae82025+0%2023
VeeryTurdidae82025-17%2023
Pileated WoodpeckerPicidae72025+150%2023
BobolinkIcteridae72025+8%2023
Northern CardinalCardinalidae72025-41%2023
Blue-headed VireoVireonidae72025-33%2023
Eastern BluebirdTurdidae72025+75%2022
Rock PigeonColumbidae72024n/an/a
Scarlet TanagerCardinalidae62025-22%2023
Warbling VireoVireonidae62025+60%2023
American RedstartParulidae52025-7%2023
Least FlycatcherTyrannidae42025-20%2022

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