BirdAnalyst
Species · BCR 23 · BBS 2026 Release · 1966–2025

Wilson's Snipe In Prairie Hardwood Transition

All regionsPrairie Hardwood TransitionShorebirds

Wilson's Snipe in Prairie Hardwood Transition has fallen sharply: down 51% on the route-weighted index since 1968.

-51%Since 1968TrendPercent 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 →
82Routes 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 →
59YearsYears 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 declinecomputed 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 fallen sharply in Prairie Hardwood Transition: down 51% on the route-weighted index since 1968.

Wilson's Snipe In Prairie Hardwood Transition Population Forecast

If the recent trend holds, Wilson's Snipe in Prairie Hardwood Transition is projected to fall about 57% by 2030 — from 0.17 in 2025 to a central estimate of 0.07 (95% range 0.00–0.48). A 5-year backtest shows a typical error of ±39.7%, with 100% of held-out values landing inside the 95% band.

-57%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 →
0.07Projected 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 →
0.00–0.4895% 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 →
±39.7%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, Wilson's Snipe in Prairie Hardwood Transition is projected to fall about 57% by 2030 — from 0.17 in 2025 to a central estimate of 0.07 (95% range 0.00–0.48). A 5-year backtest shows a typical error of ±39.7%, with 100% of held-out values landing inside the 95% band.19662030
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 →
20260.100.000.51
20270.090.000.50
20280.090.000.49
20290.080.000.49
20300.070.000.48

Routes In Prairie Hardwood Transition

Routes recording Wilson's Snipe in Prairie Hardwood Transition.
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 →
Sherburne NrMINNESOTA52025
Brook ParkMINNESOTA42018
Omro 2WISCONSIN42025
NashvilleMICHIGAN31975
PrincetonMINNESOTA32019
ClintonvilleWISCONSIN31993
StetsonvilleWISCONSIN32024
CoopersvilleMICHIGAN21984
Money CreekMINNESOTA22019
New LondonMINNESOTA22024
Chatfield 2MINNESOTA22025
HolwayWISCONSIN21989
UnityWISCONSIN22025
SaxevilleWISCONSIN21975
Oconto FallsWISCONSIN22005
OmroWISCONSIN21993
PardeevilleWISCONSIN22013
Fall RiverWISCONSIN21984
Mount HorebWISCONSIN21975
Buena VistaWISCONSIN22019
BriggsvilleWISCONSIN22019
BravoMICHIGAN11995
Big RapidsMICHIGAN11989
GalesburgMICHIGAN11968
No BradleyMICHIGAN12013

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