BirdAnalyst
Species · BCR 19 · BBS 2025 Release · 1966–2024

Wilson's Snipe In Central Mixed Grass Prairie

All regionsCentral Mixed Grass PrairieShorebirds

Wilson's Snipe in Central Mixed Grass Prairie has surged: up 25× on the route-weighted index since 1975.

25×Since 1975TrendPercent 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 →
12Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
45YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable 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 Central Mixed Grass Prairie: up 25× on the route-weighted index since 1975.

Wilson's Snipe In Central Mixed Grass Prairie Population Forecast

If the recent trend holds, Wilson's Snipe in Central Mixed Grass Prairie is projected to rise about 15% by 2029 — from 0.58 in 2024 to a central estimate of 0.67 (95% range 0.24–1.1). A 5-year backtest shows a typical error of ±58.3%, with 20% of held-out values landing inside the 95% band.

+15%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 →
0.67Projected 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 →
0.24–1.195% 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 →
±58.3%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 Central Mixed Grass Prairie is projected to rise about 15% by 2029 — from 0.58 in 2024 to a central estimate of 0.67 (95% range 0.24–1.1). A 5-year backtest shows a typical error of ±58.3%, with 20% of held-out values landing inside the 95% band.19722029
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 →
20250.620.191.0
20260.630.211.1
20270.650.221.1
20280.660.231.1
20290.670.241.1

Routes In Central Mixed Grass Prairie

Routes recording Wilson's Snipe in Central Mixed Grass Prairie.
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 →
ChambersNEBRASKA272023
Wheeler CoNEBRASKA182024
Swan LakeNEBRASKA92023
KennedyNEBRASKA82024
BrownleeNEBRASKA82021
BassettNEBRASKA82024
Piester LakeNEBRASKA42024
JohnstownNEBRASKA32005
Crescent LkNEBRASKA22016
MullenNEBRASKA22023
GordonNEBRASKA12019
NenzelNEBRASKA12024

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