BirdAnalyst
BBS Route · Montana · BCR 10

Threemile Wa Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 112 species recorded across 25 survey years, still active.

112Species 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 →
25Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2024Span
1Observers

Bird Species Found on Montana Threemile Wa

Top 40 of 112 species by most recent count. Each links to its species trend.

Species recorded on the Threemile Wa 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
European StarlingSturnidae552024-54%1995
Western TanagerCardinalidae422024+46%1995
Pine SiskinFringillidae242024+18%1996
Chipping SparrowPasserellidae192024+62%1995
Swainson's ThrushTurdidae192024+31%1995
Savannah SparrowPasserellidae152024+28%1995
Cliff SwallowHirundinidae152024-15%1995
Hermit ThrushTurdidae152024+167%1995
American RobinTurdidae152024+15%1995
Common RavenCorvidae142024+80%1995
Townsend's WarblerParulidae142024+55%1995
Western MeadowlarkIcteridae122024-32%1995
Vesper SparrowPasserellidae122024-50%1995
Warbling VireoVireonidae122024+72%1995
Black-billed MagpieCorvidae112024+0%1995
Golden-crowned KingletRegulidae112024+88%1996
Rock PigeonColumbidae102024+40%1995
Red-winged BlackbirdIcteridae102024+163%1995
Lazuli BuntingCardinalidae102024+106%1997
Eurasian Collared-DoveColumbidae102024+150%2013
House SparrowPasseridae92024+206%1995
Mountain ChickadeeParidae92024+44%1995
Evening GrosbeakFringillidae82023+185%2010
KilldeerCharadriidae62023+8%1996
Dusky FlycatcherTyrannidae62024+113%1997
Western Wood-PeweeTyrannidae52024+40%1995
American CrowCorvidae52024+250%1995
Mourning DoveColumbidae42024+33%1995
Eastern KingbirdTyrannidae42024+33%1996
House FinchFringillidae42024+14%1997
Orange-crowned WarblerParulidae42024-46%1995
Yellow WarblerParulidae42024-36%1995
Red-breasted NuthatchSittidae42024+33%1995
Black-capped ChickadeeParidae42024+63%1995
Ruby-crowned KingletRegulidae42024-59%1995
Bullock's OrioleIcteridae42023+17%2005
Horned LarkAlaudidae32021-67%1995
Brewer's BlackbirdIcteridae32024-67%1995
American GoldfinchFringillidae32012+38%1997
Tree SwallowHirundinidae32024+0%1996

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