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Species · BCR 12 · BBS 2026 Release · 1966–2025

Wilson's Snipe In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionShorebirds

Wilson's Snipe in Boreal Hardwood Transition has risen sharply: up 53% on the route-weighted index since 1968.

+53%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 →
109Routes 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 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 risen sharply in Boreal Hardwood Transition: up 53% on the route-weighted index since 1968.

Wilson's Snipe In Boreal Hardwood Transition Population Forecast

If the recent trend holds, Wilson's Snipe in Boreal Hardwood Transition is projected to rise about 38% by 2030 — from 1.4 in 2025 to a central estimate of 1.9 (95% range 0.63–3.2). A 5-year backtest shows a typical error of ±69.4%, with 80% of held-out values landing inside the 95% band.

+38%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 →
1.9Projected 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 →
0.63–3.295% 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 →
±69.4%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 Boreal Hardwood Transition is projected to rise about 38% by 2030 — from 1.4 in 2025 to a central estimate of 1.9 (95% range 0.63–3.2). A 5-year backtest shows a typical error of ±69.4%, with 80% 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 →
20261.90.613.1
20271.90.613.1
20281.90.623.1
20291.90.623.1
20301.90.633.2

Routes In Boreal Hardwood Transition

Routes recording Wilson's Snipe in Boreal 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 →
GreenbushMINNESOTA312025
BackusMINNESOTA122025
BagleyMINNESOTA102006
Nett LakeMINNESOTA82024
CromwellMINNESOTA72025
BemidjiMINNESOTA71979
LudeMINNESOTA62025
Seney NwrMICHIGAN52025
Pine RiverMINNESOTA52024
McgregorMINNESOTA52025
GilmanWISCONSIN52025
Scott'S MarshMICHIGAN42007
Hart LakeMINNESOTA42025
OntonagonMICHIGAN32019
BootjackMICHIGAN32017
SkeelsMICHIGAN31986
Wigwam BayMINNESOTA32019
FloodwoodMINNESOTA32024
Sherry LakeMINNESOTA32022
WaskishMINNESOTA32025
MahtowaMINNESOTA32023
Red LakeMINNESOTA32025
Tamarac NwrMINNESOTA32024
Rib LakeWISCONSIN32019
BashawWISCONSIN32015

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