BirdAnalyst
BBS Route · Montana · BCR 10

Greenoagh 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 68 species recorded across 6 survey years, no longer active.

68Species 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 →
6Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2005–2011Span
1Observers

Bird Species Found on Montana Greenoagh 2

Top 40 of 68 species by most recent count. Each links to its species trend.

Species recorded on the Greenoagh 2 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 RobinTurdidae332011-29%2008
Western TanagerCardinalidae252011+36%2008
Warbling VireoVireonidae202011+19%2008
Swainson's ThrushTurdidae202011+63%2008
Pine SiskinFringillidae172011+717%2008
Mountain ChickadeeParidae142011-17%2008
Ruby-crowned KingletRegulidae142011+8%2008
Evening GrosbeakFringillidae132011n/an/a
Red-breasted NuthatchSittidae112011+77%2008
MacGillivray's WarblerParulidae102011+140%2008
Canada JayCorvidae82009+300%2005
Williamson's SapsuckerPicidae72011+200%2008
Chipping SparrowPasserellidae72011+125%2008
Common RavenCorvidae62011+50%2008
Brown-headed CowbirdIcteridae62011-50%2006
Mountain BluebirdTurdidae62011-44%2008
Ruffed GrousePhasianidae62010+500%2009
Cassin's FinchFringillidae62011+200%2009
Violet-green SwallowHirundinidae62009n/an/a
Western MeadowlarkIcteridae52011+0%2008
Cedar WaxwingBombycillidae52008+67%2005
Brewer's BlackbirdIcteridae52011+150%2008
Cliff SwallowHirundinidae52009n/an/a
Olive-sided FlycatcherTyrannidae32011-8%2008
Red-winged BlackbirdIcteridae32011+50%2005
Tree SwallowHirundinidae32011-31%2006
Townsend's SolitaireTurdidae32011+75%2008
Common NighthawkCaprimulgidae32011+50%2006
Northern Rough-winged SwallowHirundinidae32006n/an/a
American CrowCorvidae32009+0%2008
Clark's NutcrackerCorvidae32011+0%2008
Red-naped SapsuckerPicidae22011-33%2006
Song SparrowPasserellidae22010+0%2006
Red-tailed HawkAccipitridae22006n/an/a
Hermit ThrushTurdidae22011+150%2008
Bald EagleAccipitridae22008n/an/a
Belted KingfisherAlcedinidae22008n/an/a
Wilson's SnipeScolopacidae22010n/an/a
Spotted SandpiperScolopacidae12011+0%2006
OspreyPandionidae12010+0%2008

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