BirdAnalyst
BBS Route · Montana · BCR 17

Roundup Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 76 species recorded across 8 survey years, still active.

76Species 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 →
8Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2016–2024Span
1Observers

Bird Species Found on Montana Roundup

Top 40 of 76 species by most recent count. Each links to its species trend.

Species recorded on the Roundup 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
Thick-billed LongspurCalcariidae1652024-1%2018
Western MeadowlarkIcteridae1452024+4%2018
Horned LarkAlaudidae712024-33%2018
Chestnut-collared LongspurCalcariidae712024+48%2018
Vesper SparrowPasserellidae552024-5%2018
Long-billed CurlewScolopacidae312024-44%2018
Canada GooseAnatidae282024+136%2018
Grasshopper SparrowPasserellidae272024+113%2018
Lark BuntingPasserellidae182024-59%2018
Brewer's SparrowPasserellidae132024-48%2018
Mourning DoveColumbidae122024+0%2018
Wilson's PhalaropeScolopacidae92018n/an/a
European StarlingSturnidae92024n/an/a
Red-winged BlackbirdIcteridae82024-24%2018
Red CrossbillFringillidae82024+60%2021
Short-eared OwlStrigidae72019n/an/a
Common RavenCorvidae62024-66%2018
Brewer's BlackbirdIcteridae62024+114%2018
GadwallAnatidae62024-52%2021
Franklin's GullLaridae62024n/an/a
Double-crested CormorantPhalacrocoracidae52019+0%2017
Black-billed MagpieCorvidae52023+14%2019
Brown-headed CowbirdIcteridae52024-14%2018
Savannah SparrowPasserellidae52024-26%2018
WilletScolopacidae42024+0%2018
Upland SandpiperScolopacidae42024+0%2019
KilldeerCharadriidae42024-10%2019
Mountain BluebirdTurdidae42023+133%2018
Common NighthawkCaprimulgidae32024-33%2018
Northern House WrenTroglodytidae32023-33%2018
American RobinTurdidae32024-25%2018
Sandhill CraneGruidae32024-20%2019
Sprague's PipitMotacillidae32024+100%2018
Northern PintailAnatidae32018n/an/a
Sharp-tailed GrousePhasianidae32024+50%2019
BobolinkIcteridae32023-40%2019
Eurasian Collared-DoveColumbidae32024n/an/a
Golden EagleAccipitridae22018+100%2016
Eastern KingbirdTyrannidae22023-40%2021
Sage ThrasherMimidae22018+0%2016

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