BirdAnalyst
BBS Route · Montana · BCR 10

Red Rock Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 136 species recorded across 39 survey years, still active.

136Species 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 →
39Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1973–2025Span
11Observers

Bird Species Found on Montana Red Rock

Top 40 of 136 species by most recent count. Each links to its species trend.

Species recorded on the Red Rock 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
Tree SwallowHirundinidae1072025+188%1975
American RobinTurdidae802025+73%1975
Clark's NutcrackerCorvidae682025+380%1990
American CrowCorvidae632025+76%1975
White-crowned SparrowPasserellidae602025+169%1975
Cliff SwallowHirundinidae552025-71%1975
Brewer's SparrowPasserellidae532025+4%1975
Sandhill CraneGruidae492025-49%1975
European StarlingSturnidae482024+18%1975
Savannah SparrowPasserellidae44202512×1980
Vesper SparrowPasserellidae352025+135%1977
Mountain BluebirdTurdidae352025+241%1975
Bank SwallowHirundinidae301997+567%1981
Long-billed CurlewScolopacidae292023+50%1975
Yellow WarblerParulidae292025+115%1975
Pine SiskinFringillidae292025+918%1978
White-faced IbisThreskiornithidae262022+420%2021
Red-winged BlackbirdIcteridae252025+36%1975
Common RavenCorvidae222025+500%1981
Lincoln's SparrowPasserellidae212025+138%1991
Warbling VireoVireonidae202025+37%1981
Western MeadowlarkIcteridae192025-40%1975
Grasshopper SparrowPasserellidae152003+200%1975
Trumpeter SwanAnatidae142025-58%1975
Wilson's SnipeScolopacidae122025-77%1975
Canada GooseAnatidae122025-85%1992
Black-billed MagpieCorvidae102025+16%1975
Song SparrowPasserellidae102025+178%1975
Red-tailed HawkAccipitridae92025+200%1975
Gray CatbirdMimidae92025+83%2013
Western TanagerCardinalidae92025+900%1989
Chipping SparrowPasserellidae82025-35%1975
Northern House WrenTroglodytidae82025+167%1981
Brown-headed CowbirdIcteridae72025+154%1977
Lesser ScaupAnatidae72025-72%1992
RedheadAnatidae71995+17%1993
Great Blue HeronArdeidae62025+100%1981
Willow FlycatcherTyrannidae62025+160%1980
Swainson's ThrushTurdidae62025+60%1981
Barrow's GoldeneyeAnatidae61995-60%1994

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