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Species · Wyoming · BBS 2026 Release · 1966–2025

Wilson's Snipe Population Trend in Wyoming

All statesShorebirds

Wilson's Snipe in Wyoming has surged: up 200% on the route-weighted index since 1971.

+200%Since 1971TrendPercent 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 →
101Routes 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 →
55YearsYears 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 WyomingNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Wilson's Snipe has surged in Wyoming: up 200% on the route-weighted index since 1971.

Wilson's Snipe Population Forecast in Wyoming

If the recent trend holds, Wilson's Snipe in Wyoming is projected to rise about 97% by 2030 — from 1.7 in 2025 to a central estimate of 3.3 (95% range 1.2–5.3). A 5-year backtest shows a typical error of ±61.1%, with 100% of held-out values landing inside the 95% band.

+97%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 →
3.3Projected 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 →
1.2–5.395% 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 →
±61.1%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 Wyoming is projected to rise about 97% by 2030 — from 1.7 in 2025 to a central estimate of 3.3 (95% range 1.2–5.3). A 5-year backtest shows a typical error of ±61.1%, with 100% of held-out values landing inside the 95% band.19692030
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 →
20263.21.15.3
20273.21.15.3
20283.21.15.3
20293.31.25.3
20303.31.25.3

Wilson's Snipe Survey Routes in Wyoming

Routes recording Wilson's Snipe in Wyoming.
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 →
Riverside1720251969
Boulder1620251982
Big Sandy1420251987
Midvale1120241974
Fontenelle920251982
Dayton920251980
Meeteetse820251991
Mammoth720251982
Ethete720251991
Fox Park720242024
Harmony720251982
Clark620241990
Daniel619881980
Yellowstone620251987
Otto520251970
Colter Bay519991969
Hunter Peak520101982
Leo520251982
Warbonnet520191992
Ryegrass520251990
Cody420251983
Buford420251974
Pathfinder420241982
Elk Horn 2420252022
Crazy Woman320241980

Wilson's Snipe Population Trend in Other States

alaskaarizonacaliforniacoloradoidahoillinoisiowamainemassachusettsmichiganminnesotamontananebraskanevadanew-hampshirenew-mexiconew-yorknorth-dakotaohiooregonpennsylvaniasouth-dakotautahvermontwashingtonwisconsin

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