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

Wilson's Snipe Population Trend in Alaska

All statesShorebirds

Wilson's Snipe in Alaska has surged: up 102% on the route-weighted index since 1976.

+102%Since 1976TrendPercent 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 →
116Routes 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 →
47YearsYears 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 AlaskaNotable 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 Alaska: up 101% on the route-weighted index since 1976.

Wilson's Snipe Population Forecast in Alaska

If the recent trend holds, Wilson's Snipe in Alaska is projected to rise about 23% by 2029 — from 7.1 in 2024 to a central estimate of 8.7 (95% range 4.4–13). A 5-year backtest shows a typical error of ±31.3%, with 100% of held-out values landing inside the 95% band.

+23%Change by 2029TrendPercent 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 →
8.7Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
4.4–1395% 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 →
±31.3%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 Alaska is projected to rise about 23% by 2029 — from 7.1 in 2024 to a central estimate of 8.7 (95% range 4.4–13). A 5-year backtest shows a typical error of ±31.3%, with 100% of held-out values landing inside the 95% band.19682029
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 →
20258.54.113
20268.54.213
20278.64.213
20288.74.313
20298.74.413

Wilson's Snipe Survey Routes in Alaska

Routes recording Wilson's Snipe in Alaska.
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 →
Nome9720231993
Tupuknuk4719951995
Cordova4320241983
Petersville3920241986
Koyukuk Riv.3320011993
King Salmon3020241993
Selawik (Short)3019871986
Hather Creek2720241993
Kugarak (Short)2519871986
Wasilla2419831983
Nicholai Sl2320241993
Gweek River2320021994
Bear Creek2219911986
Kanuti Lake2220242006
Salmon Lake2120241993
Kodiak1919841983
Copper River1920111993
Council1920241993
Burma Road1720241996
Dillingham1620191993
Happy Valley1620241993
Mud River1620241993
Teller1620241993
Kodiak 21420241985
Goodnews Bay1420051999

Wilson's Snipe Population Trend in Other States

arizonacaliforniacoloradoidahoillinoisiowamainemassachusettsmichiganminnesotamontananebraskanevadanew-hampshirenew-mexiconew-yorknorth-dakotaohiooregonpennsylvaniasouth-dakotautahvermontwashingtonwisconsinwyoming

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