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BBS Route · Montana · BCR 10

Elliston Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 134 species recorded across 50 survey years, still active.

134Species 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 →
50Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2024Span
6Observers

Bird Species Found on Montana Elliston

Top 40 of 134 species by most recent count. Each links to its species trend.

Species recorded on the Elliston 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
Red-winged BlackbirdIcteridae562024+46%1970
European StarlingSturnidae462024+515%1970
American RobinTurdidae342024+32%1970
Yellow WarblerParulidae272024+225%1970
Warbling VireoVireonidae272024+264%1971
Wilson's SnipeScolopacidae212024-15%1970
Brewer's BlackbirdIcteridae202024+102%1970
Tree SwallowHirundinidae152024+53%1970
Rock PigeonColumbidae132024+163%1999
Canada GooseAnatidae122023+178%2006
Western MeadowlarkIcteridae112024-42%1970
Cliff SwallowHirundinidae112024-43%1970
Black-billed MagpieCorvidae102024-46%1970
Common RavenCorvidae102024+325%1970
Song SparrowPasserellidae102024+325%1970
American CrowCorvidae82024+0%1970
Brown-headed CowbirdIcteridae82024+90%1970
Ruby-crowned KingletRegulidae82024+417%1970
Vesper SparrowPasserellidae72024+23%1970
Western TanagerCardinalidae72024+186%1971
Barn SwallowHirundinidae72024+100%1970
MallardAnatidae72023+100%1974
Yellow-headed BlackbirdIcteridae72006+600%1977
Red-tailed HawkAccipitridae62024+100%1976
Evening GrosbeakFringillidae62023+122%1975
Northern WaterthrushParulidae62024+155%1975
Common YellowthroatParulidae52024+36%1970
Canada JayCorvidae52013+14%1991
White-crowned SparrowPasserellidae42024+167%1972
Chipping SparrowPasserellidae42024+55%1970
Gray CatbirdMimidae42024+300%1973
VeeryTurdidae42024-58%1970
Willow FlycatcherTyrannidae42024-35%1975
Lincoln's SparrowPasserellidae42024+0%1989
Spotted SandpiperScolopacidae32024-17%1976
Long-billed CurlewScolopacidae32024-11%1972
KilldeerCharadriidae32024-59%1970
Steller's JayCorvidae32019+200%1968
Savannah SparrowPasserellidae32024-25%1970
Northern Rough-winged SwallowHirundinidae32019+120%1976

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