BirdAnalyst
BBS Route · Montana · BCR 10

St Regis Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 117 species recorded across 48 survey years, still active.

117Species 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 →
48Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1977–2025Span
5Observers

Bird Species Found on Montana St Regis

Top 40 of 117 species by most recent count. Each links to its species trend.

Species recorded on the St Regis 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
Townsend's WarblerParulidae632025+112%1981
Swainson's ThrushTurdidae572025+33%1979
Hammond's FlycatcherTyrannidae372025+52%1979
Pine SiskinFringillidae322025-40%1979
Western TanagerCardinalidae32202516×1983
Chipping SparrowPasserellidae202025-49%1979
Warbling VireoVireonidae192025+231%1980
American RobinTurdidae172025-29%1979
Red-breasted NuthatchSittidae152025+15%1979
MacGillivray's WarblerParulidae142025+13%1979
Red CrossbillFringillidae142025+275%1992
Golden-crowned KingletRegulidae102025+35%1980
Pacific WrenTroglodytidae72025+63%1986
Tree SwallowHirundinidae62023+78%1980
Black-capped ChickadeeParidae62025-44%1979
Western Wood-PeweeTyrannidae62025-43%1981
Cassin's VireoVireonidae62025+125%1980
Orange-crowned WarblerParulidae62025-68%1980
Red-naped SapsuckerPicidae62025+200%1981
Black SwiftApodidae61986n/an/a
Turkey VultureCathartidae62023+200%2005
Dusky FlycatcherTyrannidae52024-60%1979
Common RavenCorvidae52025-25%1979
Ruby-crowned KingletRegulidae52025-32%1979
Brewer's BlackbirdIcteridae52025+83%2003
White-throated SwiftApodidae52018+400%1994
Song SparrowPasserellidae42025+125%1980
Cedar WaxwingBombycillidae42025+89%1983
Nashville WarblerParulidae42025+50%1985
Vaux's SwiftApodidae42023+0%1993
Canada JayCorvidae32025-18%1979
Western MeadowlarkIcteridae31984+200%1977
Yellow WarblerParulidae32025-33%1979
Cassin's FinchFringillidae32025-74%1980
White-crowned SparrowPasserellidae31978n/an/a
House SparrowPasseridae32019-81%1980
Brown-headed CowbirdIcteridae32025+0%1984
Wilson's SnipeScolopacidae31997+50%1982
Williamson's SapsuckerPicidae31982n/an/a
KilldeerCharadriidae21984+100%1977

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