BirdAnalyst
Species · Montana · BBS 2026 Release · 1966–2025

Wilson's Snipe Population Trend in Montana

All statesShorebirds

Wilson's Snipe in Montana has edged up: up 20% on the route-weighted index since 1970.

+20%Since 1970TrendPercent 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 →
106Routes 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 →
57YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Wilson's Snipe 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 Wilson's Snipe in Montana. See the full index history below.

Wilson's Snipe Population Forecast in Montana

If the recent trend holds, Wilson's Snipe in Montana is projected to rise about 21% by 2030 — from 3.3 in 2025 to a central estimate of 4.0 (95% range 1.9–6.1). A 5-year backtest shows a typical error of ±11%, with 100% of held-out values landing inside the 95% band.

+21%Change by 2030TrendPercent 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 →
4.0Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
1.9–6.195% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±11%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Wilson's Snipe in Montana is projected to rise about 21% by 2030 — from 3.3 in 2025 to a central estimate of 4.0 (95% range 1.9–6.1). A 5-year backtest shows a typical error of ±11%, with 100% of held-out values landing inside the 95% band.19682030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20264.12.06.2
20274.12.06.2
20284.12.06.2
20294.12.06.2
20304.01.96.1

Wilson's Snipe Survey Routes in Montana

Routes recording Wilson's Snipe 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 →
Two Dot1720251976
Sun River1720252015
Elliston1620251968
Sula1520241977
Raynesford1520252016
Clyde Park1520252018
Fort Logan1520252018
St Mary1420081969
Redstone1320251968
Pablo Res.1320251995
Harlem1220211980
Highwood1220251969
Willow Creek1219811972
Red Rock1220251973
Victor1120251993
Augusta1020251976
Westby1020252015
Philipsburg1020252015
Winifred 21020252024
East Glacier Park920252015
Chinook920242015
Wolf Creek920222015
Lindsay920242015
Shawmut820251979
Whitlash820242009

Wilson's Snipe Population Trend in Other States

alaskaarizonacaliforniacoloradoidahoillinoisiowamainemassachusettsmichiganminnesotanebraskanevadanew-hampshirenew-mexiconew-yorknorth-dakotaohiooregonpennsylvaniasouth-dakotautahvermontwashingtonwisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.