BirdAnalyst
BBS Route · Montana · BCR 10

Pagil Gulch Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 85 species recorded across 10 survey years, still active.

85Species 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 →
10Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2015–2025Span
2Observers

Bird Species Found on Montana Pagil Gulch

Top 40 of 85 species by most recent count. Each links to its species trend.

Species recorded on the Pagil Gulch 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 RobinTurdidae662025+14%2017
Ruby-crowned KingletRegulidae422025+24%2017
Vesper SparrowPasserellidae252025-24%2017
Cassin's VireoVireonidae222025+50%2017
Black-capped ChickadeeParidae222025-19%2017
Northern House WrenTroglodytidae142025-21%2017
White-throated SwiftApodidae102025+11%2018
Horned LarkAlaudidae92025+67%2017
Brewer's BlackbirdIcteridae92025-32%2017
Red CrossbillFringillidae92025-12%2017
Ring-necked PheasantPhasianidae82025+450%2016
VeeryTurdidae72019+600%2015
Hermit ThrushTurdidae72025-32%2017
Golden-crowned KingletRegulidae72017n/an/a
Lincoln's SparrowPasserellidae72023+133%2022
Violet-green SwallowHirundinidae72023n/an/a
Least FlycatcherTyrannidae62025+8%2017
Western MeadowlarkIcteridae62025-61%2017
Pine SiskinFringillidae62025-70%2017
Red-breasted NuthatchSittidae62025+130%2017
Swainson's ThrushTurdidae62025-39%2017
Clark's NutcrackerCorvidae52025-65%2017
Warbling VireoVireonidae52024-39%2018
American CrowCorvidae52025+100%2018
Western TanagerCardinalidae52025-39%2019
Western Wood-PeweeTyrannidae42025-68%2017
Red-eyed VireoVireonidae42025+25%2018
Mountain BluebirdTurdidae42025+0%2017
Cedar WaxwingBombycillidae42024+75%2017
Dusky FlycatcherTyrannidae32025-25%2018
Common RavenCorvidae32025-67%2017
Brown-headed CowbirdIcteridae32024+200%2017
House FinchFringillidae32025+117%2018
Spotted TowheePasserellidae32025+70%2019
Yellow WarblerParulidae32025-22%2017
Olive-sided FlycatcherTyrannidae32025+0%2017
Black-billed MagpieCorvidae32025+25%2018
Eastern KingbirdTyrannidae32025+0%2018
Red-tailed HawkAccipitridae32025+50%2019
Sandhill CraneGruidae22025+33%2016

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