BirdAnalyst
BBS Route · Montana · BCR 17

Roundup Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 76 species recorded across 9 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 →
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 →
2016–2025Span
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
Western MeadowlarkIcteridae1732025+5%2018
Thick-billed LongspurCalcariidae1022025+13%2018
Chestnut-collared LongspurCalcariidae772025+61%2018
Vesper SparrowPasserellidae722025-10%2018
Horned LarkAlaudidae422025-36%2018
Red-winged BlackbirdIcteridae292025+18%2018
Long-billed CurlewScolopacidae282025-39%2018
Canada GooseAnatidae282024+136%2018
Brewer's SparrowPasserellidae202025-53%2018
Grasshopper SparrowPasserellidae152025+147%2018
Brown-headed CowbirdIcteridae132025+0%2018
Mourning DoveColumbidae112025+24%2018
Common RavenCorvidae102025-40%2018
Brewer's BlackbirdIcteridae92025+64%2018
Red CrossbillFringillidae82024+60%2021
Short-eared OwlStrigidae72019n/an/a
MallardAnatidae62025+233%2019
Franklin's GullLaridae62024n/an/a
Double-crested CormorantPhalacrocoracidae52019+0%2017
Black-billed MagpieCorvidae52023+14%2019
Sharp-tailed GrousePhasianidae52025+150%2019
European StarlingSturnidae52025-44%2024
Marbled GodwitScolopacidae42025+25%2019
Savannah SparrowPasserellidae42025-21%2018
Lark BuntingPasserellidae42025-71%2018
Mountain BluebirdTurdidae42025+167%2018
Northern House WrenTroglodytidae32023-33%2018
Sandhill CraneGruidae32024-20%2019
Sprague's PipitMotacillidae32024+100%2018
Northern PintailAnatidae32018n/an/a
Wilson's PhalaropeScolopacidae32025-67%2018
BobolinkIcteridae32023-40%2019
Eurasian Collared-DoveColumbidae32024n/an/a
WilletScolopacidae22025-17%2018
Upland SandpiperScolopacidae22025+11%2019
Red-tailed HawkAccipitridae22025+100%2016
Common NighthawkCaprimulgidae22025-47%2018
American RobinTurdidae22025-25%2018
GadwallAnatidae22025-52%2021
American KestrelFalconidae22025+0%2021

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