BirdAnalyst
BBS Route · Montana · BCR 10

Greenoagh 3 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 85 species recorded across 12 survey years, no longer active.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 →
12Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2012–2025Span
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
Swainson's ThrushTurdidae442025+29%2014
Western TanagerCardinalidae412025+205%2014
Chipping SparrowPasserellidae232025-15%2014
American RobinTurdidae212025-45%2014
Ruby-crowned KingletRegulidae182025-48%2014
Warbling VireoVireonidae132025+124%2014
American CrowCorvidae122018-22%2015
Red-breasted NuthatchSittidae92025+124%2014
Western MeadowlarkIcteridae82025+77%2014
Mountain ChickadeeParidae82025-41%2014
Pine SiskinFringillidae72025-18%2015
Evening GrosbeakFringillidae62025+291%2017
Red CrossbillFringillidae62025+23%2017
Vesper SparrowPasserellidae62025-45%2017
Townsend's WarblerParulidae62025+82%2017
Cassin's VireoVireonidae52025-5%2016
Clark's NutcrackerCorvidae42018-33%2013
Orange-crowned WarblerParulidae42025+56%2017
Sandhill CraneGruidae32019+200%2012
Black-billed MagpieCorvidae32025-10%2014
Common RavenCorvidae32025-10%2014
Canada JayCorvidae32021+20%2015
Tree SwallowHirundinidae32025-40%2015
Yellow WarblerParulidae32025-33%2015
Western Wood-PeweeTyrannidae32025+40%2017
Dusky FlycatcherTyrannidae32019+200%2017
Long-billed CurlewScolopacidae32021+50%2019
Golden-crowned KingletRegulidae32019n/an/a
GadwallAnatidae22012n/an/a
Red-tailed HawkAccipitridae22024+50%2014
Common NighthawkCaprimulgidae22025-22%2014
Red-winged BlackbirdIcteridae22025+125%2015
Song SparrowPasserellidae22025-39%2014
MacGillivray's WarblerParulidae22025+36%2015
European StarlingSturnidae22024-63%2016
Canada GooseAnatidae22017+0%2014
Red-naped SapsuckerPicidae22024+100%2016
Brown-headed CowbirdIcteridae22024-13%2017
Cassin's FinchFringillidae22025+9%2017

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