BirdAnalyst
BBS Route · Montana · BCR 11

Chinook Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 10 survey years, still active.

100Species 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 →
10Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2015–2025Span
1Observers

Bird Species Found on Montana Chinook

Top 40 of 100 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
Franklin's GullLaridae5012025+28%2017
Western MeadowlarkIcteridae1172025+24%2017
Red-winged BlackbirdIcteridae832025-9%2017
Horned LarkAlaudidae802025+12%2017
Lark BuntingPasserellidae522025+121%2017
Chestnut-collared LongspurCalcariidae422025+54%2017
European StarlingSturnidae412025-58%2017
Brown-headed CowbirdIcteridae402025+58%2017
Ring-billed GullLaridae372025-35%2021
Mourning DoveColumbidae362025+54%2017
Eastern KingbirdTyrannidae362025+140%2017
American RobinTurdidae362025+13%2017
Yellow WarblerParulidae322025+26%2017
Canada GooseAnatidae292023+88%2017
Vesper SparrowPasserellidae212025+61%2017
Double-crested CormorantPhalacrocoracidae182017+800%2015
Cliff SwallowHirundinidae182025-50%2017
Ring-necked PheasantPhasianidae152025-64%2017
Grasshopper SparrowPasserellidae142025+59%2017
MallardAnatidae142025+3%2018
Brewer's BlackbirdIcteridae132025+122%2017
Brewer's SparrowPasserellidae132025+150%2021
Common GrackleIcteridae112025+0%2017
Northern House WrenTroglodytidae102025+8%2017
Wilson's SnipeScolopacidae92024+24%2017
Marbled GodwitScolopacidae82025+46%2017
Rock PigeonColumbidae82025+529%2016
Western KingbirdTyrannidae82025+320%2017
Pine SiskinFringillidae82024+300%2015
Clay-colored SparrowPasserellidae82025-28%2017
Loggerhead ShrikeLaniidae72025+400%2017
GadwallAnatidae62025+25%2019
KilldeerCharadriidae62025+16%2017
Western Wood-PeweeTyrannidae62025+42%2017
BobolinkIcteridae62025+35%2017
Gray PartridgePhasianidae62025+80%2022
Great Blue HeronArdeidae62022+500%2018
Least FlycatcherTyrannidae52025+0%2017
Northern PintailAnatidae42025+233%2018
WilletScolopacidae42025-35%2017

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