BirdAnalyst
Species · Montana · BBS 2025 Release · 1966–2024

Virginia Rail Population Trend in Montana

All statesWetland birds

Virginia Rail in Montana has increased: up 47% on the route-weighted index since 1980.

+47%Since 1980TrendPercent 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 →
11Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
15YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Virginia Rail Trends in MontanaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Virginia Rail in Montana. See the full index history below.

Virginia Rail Survey Routes in Montana

Routes recording Virginia Rail in Montana.
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 →
Forsyth120192019
Kalispell120192006
St Mary119821982
Glen119801980
Brandenberg119771977
Beaverhead119861986
Red Rock119941992
St Xavier 2120192019
Highwood119791979
Ester Lake120232023
Elliston120092009

Virginia Rail Population Trend in Other States

arizonacaliforniacoloradoconnecticutdelawareidahoillinoisindianaiowakansasmainemarylandmassachusettsmichiganminnesotanebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotautahvermontvirginiawashingtonwisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.