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Species · BCR 5 · BBS 2025 Release · 1966–2024

Wilson's Snipe In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestShorebirds

Wilson's Snipe in Northern Pacific Rainforest has surged: up 626% on the route-weighted index since 1972.

+626%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 →
61Routes 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 →
54YearsYears 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 surged in Northern Pacific Rainforest: up 626% on the route-weighted index since 1972.

Wilson's Snipe In Northern Pacific Rainforest Population Forecast

If the recent trend holds, Wilson's Snipe in Northern Pacific Rainforest is projected to rise about 10% by 2029 — from 0.87 in 2024 to a central estimate of 0.95 (95% range 0.25–1.7). A 5-year backtest shows a typical error of ±42.6%, with 100% of held-out values landing inside the 95% band.

+10%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 →
0.95Projected 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 →
0.25–1.795% 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 →
±42.6%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 Northern Pacific Rainforest is projected to rise about 10% by 2029 — from 0.87 in 2024 to a central estimate of 0.95 (95% range 0.25–1.7). A 5-year backtest shows a typical error of ±42.6%, with 100% of held-out values landing inside the 95% band.19682029
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 →
20250.940.241.6
20260.950.241.6
20270.950.241.7
20280.950.251.7
20290.950.251.7

Routes In Northern Pacific Rainforest

Routes recording Wilson's Snipe in Northern Pacific Rainforest.
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 →
CordovaALASKA432024
Copper RiverALASKA192011
UmpquaOREGON112003
YrekaCALIFORNIA102019
Thompson PasALASKA82024
YakutatALASKA62023
GazelleCALIFORNIA62021
Mendota 2WASHINGTON62000
Harlequin L.ALASKA52023
Moose PassALASKA41985
Yakutat (Short)ALASKA41984
Sams ValleyOREGON42023
ProspectOREGON42024
JuneauALASKA32024
Whale PassALASKA32021
Stikine RiverALASKA32021
Elk LakeOREGON32004
HainesALASKA22024
HopeALASKA22014
Elmendorf (Short)ALASKA21985
Alpenglow (Short)ALASKA22012
Cool CampOREGON21988
SantiamOREGON21998
ScappooseOREGON22023
CamasWASHINGTON22000

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