BirdAnalyst
BBS Route · Montana · BCR 10

Greenoagh 3 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 85 species recorded across 11 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 →
11Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2012–2024Span
4Observers

Bird Species Found on Montana Greenoagh 3

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

Species recorded on the Greenoagh 3 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
Cliff SwallowHirundinidae50201613×2015
Western TanagerCardinalidae382024+275%2014
Swainson's ThrushTurdidae342024+34%2014
Chipping SparrowPasserellidae232024-8%2014
American RobinTurdidae202024-46%2014
Evening GrosbeakFringillidae172024+364%2017
Warbling VireoVireonidae122024+165%2014
Ruby-crowned KingletRegulidae122024-53%2014
American CrowCorvidae122018-22%2015
Red-breasted NuthatchSittidae112024+106%2014
Mountain ChickadeeParidae112024-36%2014
Pine SiskinFringillidae92024-26%2015
Western MeadowlarkIcteridae72024+100%2014
Vesper SparrowPasserellidae72024-34%2017
Cassin's VireoVireonidae62024+15%2016
Orange-crowned WarblerParulidae62024+256%2017
Townsend's WarblerParulidae62024+136%2017
MacGillivray's WarblerParulidae52024+36%2015
Cassin's FinchFringillidae52024+27%2017
Common RavenCorvidae42024+0%2014
Red CrossbillFringillidae42024+23%2017
Clark's NutcrackerCorvidae42018-33%2013
Sandhill CraneGruidae32019+200%2012
Red-winged BlackbirdIcteridae32024+100%2015
Canada JayCorvidae32021+20%2015
Tree SwallowHirundinidae32024-47%2015
Western Wood-PeweeTyrannidae32024+60%2017
Dusky FlycatcherTyrannidae32019+200%2017
Long-billed CurlewScolopacidae32021+50%2019
Golden-crowned KingletRegulidae32019n/an/a
GadwallAnatidae22012n/an/a
Mourning DoveColumbidae22024+25%2015
Red-tailed HawkAccipitridae22024+50%2014
Common NighthawkCaprimulgidae22024-33%2014
Olive-sided FlycatcherTyrannidae22024-53%2014
Black-billed MagpieCorvidae22024+10%2014
Brewer's BlackbirdIcteridae22024-14%2015
Song SparrowPasserellidae22024-39%2014
Hermit ThrushTurdidae22024-27%2017
Mountain BluebirdTurdidae22024-50%2014

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