BirdAnalyst
BBS Route · Montana · BCR 10

Threemile Wa Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 112 species recorded across 26 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 →
26Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2025Span
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 StarlingSturnidae2052025+2%1995
Western TanagerCardinalidae372025+85%1995
House SparrowPasseridae332025+235%1995
Brewer's BlackbirdIcteridae282025-29%1995
Swainson's ThrushTurdidae282025+60%1995
Chipping SparrowPasserellidae222025+56%1995
Rock PigeonColumbidae182025+113%1995
Pine SiskinFringillidae172025+32%1996
American RobinTurdidae162025+5%1995
Western MeadowlarkIcteridae152025-23%1995
Warbling VireoVireonidae152025+55%1995
Savannah SparrowPasserellidae142025+25%1995
Townsend's WarblerParulidae142025+33%1995
Ruby-crowned KingletRegulidae132025-34%1995
Lazuli BuntingCardinalidae132025+106%1997
MacGillivray's WarblerParulidae112025+36%1995
Hermit ThrushTurdidae112025+208%1995
Red-winged BlackbirdIcteridae92025+113%1995
Cliff SwallowHirundinidae92025-12%1995
Common RavenCorvidae82025+130%1995
Vesper SparrowPasserellidae82025-35%1995
Evening GrosbeakFringillidae82023+185%2010
Mourning DoveColumbidae72025+100%1995
Black-billed MagpieCorvidae72025+5%1995
Red CrossbillFringillidae72025-12%2006
California QuailOdontophoridae72025+243%2019
Red-tailed HawkAccipitridae62025+50%1995
Western Wood-PeweeTyrannidae62025+70%1995
Hammond's FlycatcherTyrannidae62025+120%1995
Mountain ChickadeeParidae62025+31%1995
Dusky FlycatcherTyrannidae62024+113%1997
Eurasian Collared-DoveColumbidae62025+138%2013
American CrowCorvidae52024+250%1995
KilldeerCharadriidae42025-15%1996
Olive-sided FlycatcherTyrannidae42025+0%1995
Brown-headed CowbirdIcteridae42025-74%1995
House FinchFringillidae42025+29%1997
Orange-crowned WarblerParulidae42025-50%1995
Black-capped ChickadeeParidae42024+63%1995
Golden-crowned KingletRegulidae42025+113%1996

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