BirdAnalyst
BBS Route · Montana · BCR 11

Shelby 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 →
2015–2024Span
3Observers

Bird Species Found on Montana Shelby

Top 40 of 76 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 LarkAlaudidae1742024+19%2017
Western MeadowlarkIcteridae562024-22%2017
Vesper SparrowPasserellidae442024+6%2017
Savannah SparrowPasserellidae292024-33%2017
Brewer's BlackbirdIcteridae242024+0%2017
Chestnut-collared LongspurCalcariidae232024+28%2017
American CootRallidae212018n/an/a
Brown-headed CowbirdIcteridae182024+2%2018
Mourning DoveColumbidae152024+105%2017
Thick-billed LongspurCalcariidae132024-21%2018
American WigeonAnatidae112019+163%2017
European StarlingSturnidae92024-65%2018
House SparrowPasseridae82024+100%2019
Cliff SwallowHirundinidae82024+100%2019
Rock PigeonColumbidae72024+314%2017
Brewer's SparrowPasserellidae62022+14%2018
Marbled GodwitScolopacidae52024+42%2017
Northern HarrierAccipitridae52024-25%2017
Western KingbirdTyrannidae52024+29%2017
Red-winged BlackbirdIcteridae52024-54%2017
Common GrackleIcteridae52024+44%2019
MallardAnatidae42023-49%2017
Northern PintailAnatidae42024-68%2018
Wilson's PhalaropeScolopacidae42024-35%2018
Swainson's HawkAccipitridae42024-25%2017
Ruddy DuckAnatidae42018n/an/a
Green-winged TealAnatidae32019+100%2017
American AvocetRecurvirostridae32024+157%2018
KilldeerCharadriidae32024-19%2017
Sharp-tailed GrousePhasianidae32022-31%2017
Baird's SparrowPasserellidae32024+43%2017
Common RavenCorvidae32024-43%2018
Cinnamon TealAnatidae32018n/an/a
GadwallAnatidae22024-44%2017
Blue-winged TealAnatidae22023+33%2017
Northern ShovelerAnatidae22024-69%2018
Long-billed CurlewScolopacidae22024-59%2017
Gray PartridgePhasianidae22024-44%2018
American CrowCorvidae22024-69%2017
Clay-colored SparrowPasserellidae22023-40%2016

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