BirdAnalyst
BBS Route · Montana · BCR 10

Greenough Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 89 species recorded across 8 survey years, no longer active.

89Species 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 →
8Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1995–2004Span
2Observers

Bird Species Found on Montana Greenough

Top 40 of 89 species by most recent count. Each links to its species trend.

Species recorded on the Greenough 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 RobinTurdidae282004-35%1998
Warbling VireoVireonidae212004-51%1999
Ruby-crowned KingletRegulidae152004-13%1999
Swainson's ThrushTurdidae132004-18%1998
Chipping SparrowPasserellidae122004-23%1998
Red CrossbillFringillidae122004-40%1999
Common RavenCorvidae92004+73%1999
Red-breasted NuthatchSittidae92004-27%1998
American CrowCorvidae92003-19%1999
Red-winged BlackbirdIcteridae82003+233%1998
Townsend's WarblerParulidae82004-37%1999
Cliff SwallowHirundinidae82003n/an/a
Tree SwallowHirundinidae72004+50%1999
Williamson's SapsuckerPicidae72004+83%2000
Western TanagerCardinalidae62004+58%1998
Black-capped ChickadeeParidae62002+13%1998
Hairy WoodpeckerPicidae52003+14%1999
Clark's NutcrackerCorvidae52003+150%1995
Western MeadowlarkIcteridae52002+10%1998
Pine SiskinFringillidae52004+44%1998
Mountain ChickadeeParidae52004+88%1998
Mountain BluebirdTurdidae52004+29%1998
American GoldfinchFringillidae52003+400%2000
Song SparrowPasserellidae42004-27%1998
American KestrelFalconidae42003+50%1999
Olive-sided FlycatcherTyrannidae42004-38%1999
Steller's JayCorvidae42003+300%1996
Eastern KingbirdTyrannidae41999n/an/a
Western KingbirdTyrannidae31995n/an/a
Townsend's SolitaireTurdidae32004+11%1998
American GoshawkAccipitridae32000+200%1996
Spotted TowheePasserellidae31996n/an/a
Cassin's VireoVireonidae32004-50%2000
Yellow-breasted ChatIcteriidae31996n/an/a
Golden-crowned KingletRegulidae32000-57%1996
Lazuli BuntingCardinalidae32004+67%2000
Least FlycatcherTyrannidae32002+50%2000
Ruffed GrousePhasianidae32004+200%2002
Franklin's GullLaridae32003n/an/a
Red-tailed HawkAccipitridae22003+80%1998

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