BirdAnalyst
BBS Route · Montana · BCR 11

Shelby Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 77 species recorded across 9 survey years, still active.

77Species 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 →
2015–2025Span
3Observers

Bird Species Found on Montana Shelby

Top 40 of 77 species by most recent count. Each links to its species trend.

Species recorded on the Shelby 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
Horned LarkAlaudidae2062025+34%2017
Western MeadowlarkIcteridae712025-18%2017
Vesper SparrowPasserellidae642025+53%2017
Thick-billed LongspurCalcariidae302025+72%2018
Savannah SparrowPasserellidae272025-38%2017
European StarlingSturnidae222025-15%2022
Brown-headed CowbirdIcteridae212025+32%2018
American CootRallidae212018n/an/a
Chestnut-collared LongspurCalcariidae192025+33%2017
Mourning DoveColumbidae182025+126%2017
Brewer's BlackbirdIcteridae162025-13%2017
Western KingbirdTyrannidae122025+71%2017
American WigeonAnatidae112019+163%2017
Red-winged BlackbirdIcteridae102025-29%2017
House SparrowPasseridae82025+79%2019
Marbled GodwitScolopacidae72025+25%2017
Northern HarrierAccipitridae72025-15%2017
Rock PigeonColumbidae62025+329%2017
Swainson's HawkAccipitridae62025+0%2017
Grasshopper SparrowPasserellidae52025-50%2017
Wilson's PhalaropeScolopacidae42024-35%2018
Sharp-tailed GrousePhasianidae42025-8%2017
Common GrackleIcteridae42025+22%2019
Eastern KingbirdTyrannidae42025+75%2018
Ruddy DuckAnatidae42018n/an/a
Green-winged TealAnatidae32019+100%2017
Northern PintailAnatidae32025-79%2018
KilldeerCharadriidae32025-50%2017
Gray PartridgePhasianidae32025-22%2018
Baird's SparrowPasserellidae32024+43%2017
Cliff SwallowHirundinidae32025+83%2019
Cinnamon TealAnatidae32018n/an/a
Northern ShovelerAnatidae22024-69%2018
American AvocetRecurvirostridae22025+43%2018
Long-billed CurlewScolopacidae22025-65%2017
American CrowCorvidae22025-63%2017
Burrowing OwlStrigidae22016n/an/a
Sprague's PipitMotacillidae22017+100%2016
Eurasian Collared-DoveColumbidae22023+33%2017
Ring-billed GullLaridae22019+100%2017

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