BirdAnalyst
BBS Route · Montana · BCR 17

Locate Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 99 species recorded across 38 survey years, still active.

99Species 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 →
38Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1981–2024Span
9Observers

Bird Species Found on Montana Locate

Top 40 of 99 species by most recent count. Each links to its species trend.

Species recorded on the Locate 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
Western MeadowlarkIcteridae3052024+67%1983
Grasshopper SparrowPasserellidae982024+270%1983
Mourning DoveColumbidae482024+116%1983
Upland SandpiperScolopacidae422024+487%1983
Lark BuntingPasserellidae422024-25%1983
Red-winged BlackbirdIcteridae292024+39%1983
European StarlingSturnidae202021+170%1984
Vesper SparrowPasserellidae172024-72%1983
Eastern KingbirdTyrannidae122024-25%1983
Common NighthawkCaprimulgidae112024+183%1983
Brewer's BlackbirdIcteridae112024+200%1984
Brown-headed CowbirdIcteridae92024-35%1983
Yellow WarblerParulidae82024+38%1983
MallardAnatidae82024+200%1991
Ring-necked PheasantPhasianidae72024+42%1983
American RobinTurdidae62024-17%1983
Blue-winged TealAnatidae62024+0%2005
Sharp-tailed GrousePhasianidae62024+70%1984
Rock PigeonColumbidae62021-18%2012
GadwallAnatidae52022+100%1992
Wilson's SnipeScolopacidae52024+125%1984
Say's PhoebeTyrannidae42017+0%1983
Western Wood-PeweeTyrannidae42024+133%1983
House SparrowPasseridae42012+7%1990
Cliff SwallowHirundinidae42004+225%1993
Brewer's SparrowPasserellidae42021-75%1992
American White PelicanPelecanidae42014n/an/a
Horned LarkAlaudidae32024-95%1983
Brown ThrasherMimidae32022-11%1983
Least FlycatcherTyrannidae32024+67%2014
Cedar WaxwingBombycillidae32022-33%2013
Tree SwallowHirundinidae32013n/an/a
Northern HarrierAccipitridae22024-30%1983
Great Horned OwlStrigidae22016+100%1999
Common GrackleIcteridae22024+43%1983
Lark SparrowPasserellidae22024-14%1983
American WigeonAnatidae22013+25%1995
American CootRallidae22014+50%1997
Western KingbirdTyrannidae22024+17%1984
American GoldfinchFringillidae22024-30%1984

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