BirdAnalyst
Species · BCR 13 · BBS 2026 Release · 1966–2025

Wilson's Snipe In Lower Great Lakes / St. Lawrence Plain

All regionsLower Great Lakes / St. Lawrence PlainShorebirds

Wilson's Snipe in Lower Great Lakes / St. Lawrence Plain has declined: down 29% on the route-weighted index since 1968.

-29%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 →
42Routes 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 →
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 SignalsNotable 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 Wilson's Snipe in Lower Great Lakes / St. Lawrence Plain. See the full index history below.

Wilson's Snipe In Lower Great Lakes / St. Lawrence Plain Population Forecast

If the recent trend holds, Wilson's Snipe in Lower Great Lakes / St. Lawrence Plain is projected to stay roughly flat through 2030, near 0.21 (95% range 0.00–0.71). A 5-year backtest shows a typical error of ±220.8%, with 100% of held-out values landing inside the 95% band.

n/aChange 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 →
0.21Projected 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 →
0.00–0.7195% 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 →
±220.8%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 Lower Great Lakes / St. Lawrence Plain is projected to stay roughly flat through 2030, near 0.21 (95% range 0.00–0.71). A 5-year backtest shows a typical error of ±220.8%, 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 →
20260.220.000.73
20270.220.000.72
20280.210.000.72
20290.210.000.72
20300.210.000.71

Routes In Lower Great Lakes / St. Lawrence Plain

Routes recording Wilson's Snipe in Lower Great Lakes / St. Lawrence Plain.
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 →
WaddingtonNEW-YORK91998
EllenburgNEW-YORK62006
PhiladelphiaNEW-YORK52023
HinesburgVERMONT41993
CastileNEW-YORK32006
Alder CreekNEW-YORK32004
ParishvilleNEW-YORK32024
Sugar GrovePENNSYLVANIA31980
RandolphNEW-YORK21984
Cherry HillNEW-YORK21975
St JohnsburgNEW-YORK21976
OgdensburgNEW-YORK22025
BalmatNEW-YORK21985
TeeplevillePENNSYLVANIA21968
AusterlitzNEW-YORK11995
Oriskany FlsNEW-YORK12012
Canadice LNEW-YORK11986
MendonNEW-YORK11988
Mt MorrisNEW-YORK11967
HamburgNEW-YORK11969
NashvilleNEW-YORK11983
E YoungstownNEW-YORK11997
ByronNEW-YORK11988
ChurchvilleNEW-YORK11975
WatertownNEW-YORK12003

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