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

Willet Population Trend in Nebraska

All statesShorebirds

Willet in Nebraska has edged up: up 17% on the route-weighted index since 1972.

+17%Since 1972TrendPercent 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 →
9Routes 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 →
49YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Willet Trends in NebraskaNotable 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 Willet in Nebraska. See the full index history below.

Willet Population Forecast in Nebraska

If the recent trend holds, Willet in Nebraska is projected to stay roughly flat through 2029, near 0.28 (95% range 0.00–0.63). A 5-year backtest shows a typical error of ±708.7%, with 20% of held-out values landing inside the 95% band.

n/aChange 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 →
0.28Projected 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 →
0.00–0.6395% 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 →
±708.7%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, Willet in Nebraska is projected to stay roughly flat through 2029, near 0.28 (95% range 0.00–0.63). A 5-year backtest shows a typical error of ±708.7%, with 20% of held-out values landing inside the 95% band.19692029
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 →
20250.270.000.62
20260.280.000.62
20270.280.000.63
20280.280.000.63
20290.280.000.63

Willet Survey Routes in Nebraska

Routes recording Willet in Nebraska.
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 →
Crescent Lk220141980
Piester Lake220181969
Gordon120241980
Murray Lake120152015
Brownlee120191990
Nenzel120192019
Swan Lake120231993
Johnstown119781978
Kennedy120241993

Willet Population Trend in Other States

alabamacaliforniacoloradoconnecticutdelawarefloridaidaholouisianamainemarylandmassachusettsminnesotamontananevadanew-jerseynew-yorknorth-carolinanorth-dakotaoregonsouth-carolinasouth-dakotatexasutahvirginiawyoming

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