BirdAnalyst
BBS Route · Montana · BCR 11

Chinook Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 9 survey years, still active.

97Species 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 →
9Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2015–2024Span
1Observers

Bird Species Found on Montana Chinook

Top 40 of 97 species by most recent count. Each links to its species trend.

Species recorded on the Chinook 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 MeadowlarkIcteridae1452024+35%2017
Horned LarkAlaudidae1312024+29%2017
European StarlingSturnidae1182024-51%2017
Brown-headed CowbirdIcteridae662024+59%2017
Red-winged BlackbirdIcteridae642024-18%2017
Lark BuntingPasserellidae582024+33%2017
Mourning DoveColumbidae552024+49%2017
Chestnut-collared LongspurCalcariidae422024+29%2017
Rock PigeonColumbidae362024+471%2016
American RobinTurdidae322024+1%2017
Eastern KingbirdTyrannidae292024+100%2017
Vesper SparrowPasserellidae292024+68%2017
Canada GooseAnatidae292023+88%2017
Yellow WarblerParulidae282024+26%2017
Bank SwallowHirundinidae222024+122%2019
Franklin's GullLaridae212024+118%2017
Common GrackleIcteridae202024-11%2017
Double-crested CormorantPhalacrocoracidae182017+800%2015
MallardAnatidae172024+25%2018
Ring-billed GullLaridae122024-76%2021
Northern PintailAnatidae102024+225%2018
Ring-necked PheasantPhasianidae102024-66%2017
Grasshopper SparrowPasserellidae102024+28%2017
Cedar WaxwingBombycillidae102023+21%2018
Northern House WrenTroglodytidae102024+0%2017
Wilson's SnipeScolopacidae92024+24%2017
KilldeerCharadriidae92024+5%2017
Western KingbirdTyrannidae92024+180%2017
Pine SiskinFringillidae82024+300%2015
BobolinkIcteridae72024+55%2017
Brewer's BlackbirdIcteridae72024+167%2017
Barn SwallowHirundinidae72024-34%2017
GadwallAnatidae62024-8%2019
Marbled GodwitScolopacidae62024+15%2017
Western Wood-PeweeTyrannidae62024+17%2017
Great Blue HeronArdeidae62022+500%2018
WilletScolopacidae52024-35%2017
Gray CatbirdMimidae52023+100%2017
Thick-billed LongspurCalcariidae52023+400%2022
American WigeonAnatidae42023+60%2016

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