BirdAnalyst
BBS Route · Montana · BCR 10

Pagil Gulch Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 82 species recorded across 9 survey years, still active.

82Species 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 →
9Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2015–2024Span
2Observers

Bird Species Found on Montana Pagil Gulch

Top 40 of 82 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 RobinTurdidae552024+3%2017
Ruby-crowned KingletRegulidae352024+8%2017
Vesper SparrowPasserellidae262024-40%2017
Cassin's VireoVireonidae212024+58%2017
Black-capped ChickadeeParidae172024-2%2017
Red CrossbillFringillidae152023+22%2017
Red-breasted NuthatchSittidae132024+170%2017
Mountain BluebirdTurdidae112024-19%2017
Horned LarkAlaudidae102024+28%2017
Northern House WrenTroglodytidae102024-6%2017
Chipping SparrowPasserellidae92024-64%2017
Yellow WarblerParulidae92024-6%2017
House FinchFringillidae72022+150%2018
VeeryTurdidae72019+600%2015
Golden-crowned KingletRegulidae72017n/an/a
Lincoln's SparrowPasserellidae72023+133%2022
Violet-green SwallowHirundinidae72023n/an/a
Western MeadowlarkIcteridae52024-73%2017
Warbling VireoVireonidae52024-39%2018
Hermit ThrushTurdidae52024-20%2017
Cedar WaxwingBombycillidae42024+75%2017
Ring-necked PheasantPhasianidae32024+200%2015
Common RavenCorvidae32024-38%2017
Brown-headed CowbirdIcteridae32024+200%2017
Spotted TowheePasserellidae32022+56%2017
Red-tailed HawkAccipitridae32023+50%2019
Sandhill CraneGruidae22021+133%2016
Wilson's SnipeScolopacidae22024+43%2017
American Three-toed WoodpeckerPicidae22024+0%2017
Common NighthawkCaprimulgidae22023-43%2021
White-throated SwiftApodidae22024-32%2018
Western Wood-PeweeTyrannidae22024-55%2017
Hammond's FlycatcherTyrannidae22023-60%2018
Evening GrosbeakFringillidae22015n/an/a
Song SparrowPasserellidae22024-55%2017
Northern WaterthrushParulidae22021+0%2015
MacGillivray's WarblerParulidae22024+75%2017
Common YellowthroatParulidae22023-9%2017
Swainson's ThrushTurdidae22024-35%2017
Ruffed GrousePhasianidae22024+33%2018

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