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Species · Maine · BBS 2025 Release · 1966–2024

Wilson's Snipe Population Trend in Maine

All statesShorebirds

Wilson's Snipe in Maine has collapsed: down 84% on the route-weighted index since 1968.

-84%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 →
59Routes 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 →
58YearsYears 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 MaineNotable 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 collapsed in Maine: down 84% on the route-weighted index since 1968.

Wilson's Snipe Population Forecast in Maine

If the recent trend holds, Wilson's Snipe in Maine is projected to rise about 28% by 2029 — from 0.21 in 2024 to a central estimate of 0.27 (95% range 0.00–0.82). A 5-year backtest shows a typical error of ±598.4%, with 100% of held-out values landing inside the 95% band.

+28%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 →
0.27Projected 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 →
0.00–0.8295% 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 →
±598.4%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 Maine is projected to rise about 28% by 2029 — from 0.21 in 2024 to a central estimate of 0.27 (95% range 0.00–0.82). A 5-year backtest shows a typical error of ±598.4%, with 100% of held-out values landing inside the 95% band.19662029
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 →
20250.290.000.84
20260.290.000.84
20270.280.000.83
20280.280.000.83
20290.270.000.82

Wilson's Snipe Survey Routes in Maine

Routes recording Wilson's Snipe in Maine.
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 →
Clayton Lake 2620132010
Weeks Brook520151995
Church Hill520061991
Baker Lake 2420132010
Greenville420071976
Clayton Lake420011993
St David420051982
Heron Lake420031983
Topsfield319921992
Carrabassett320241983
Seboomook Lk320121990
Medway320091978
Grnd Lk Strm319921990
Ft Fairfield320051993
Big Twenty320081993
Westbrook219881979
Hancock220091974
Castine219861986
Deblois219981998
Northfield219801978
Moose River219991984
Hudson220001974
Priestly Br.220131996
Northfield 2119941994
Wilson Mills120051984

Wilson's Snipe Population Trend in Other States

alaskaarizonacaliforniacoloradoidahoillinoisiowamassachusettsmichiganminnesotamontananebraskanevadanew-hampshirenew-mexiconew-yorknorth-dakotaohiooregonpennsylvaniasouth-dakotautahvermontwashingtonwisconsinwyoming

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