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

Greater Yellowlegs In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestShorebirds

Greater Yellowlegs in Northern Pacific Rainforest has edged up: up 24% on the route-weighted index since 1985.

+24%Since 1985TrendPercent 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 →
24Routes 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 →
41YearsYears 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 Greater Yellowlegs in Northern Pacific Rainforest. See the full index history below.

Greater Yellowlegs In Northern Pacific Rainforest Population Forecast

If the recent trend holds, Greater Yellowlegs in Northern Pacific Rainforest is projected to fall about 16% by 2029 — from 0.39 in 2024 to a central estimate of 0.33 (95% range 0.14–0.52). A 5-year backtest shows a typical error of ±15.3%, with 100% of held-out values landing inside the 95% band.

-16%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 →
0.33Projected 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 →
0.14–0.5295% 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 →
±15.3%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, Greater Yellowlegs in Northern Pacific Rainforest is projected to fall about 16% by 2029 — from 0.39 in 2024 to a central estimate of 0.33 (95% range 0.14–0.52). A 5-year backtest shows a typical error of ±15.3%, with 100% of held-out values landing inside the 95% band.19832029
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 →
20250.310.120.50
20260.310.120.50
20270.320.130.51
20280.320.130.51
20290.330.140.52

Routes In Northern Pacific Rainforest

Routes recording Greater Yellowlegs 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 →
CordovaALASKA132024
Yakutat (Short)ALASKA121984
YakutatALASKA62024
Copper RiverALASKA62011
Mitkof IsleALASKA32024
Zimovia StrtALASKA32024
Harlequin L.ALASKA32024
ZaremboALASKA32022
Juneau AltALASKA21986
KetchikanALASKA22017
Sheep MtnALASKA22011
Moose PassALASKA21983
Whale PassALASKA22017
Chichagof IsALASKA22023
JuneauALASKA12014
CraigALASKA12011
HainesALASKA12009
PetersburgALASKA11987
SitkaALASKA12017
HoonahALASKA12024
SkagwayALASKA12004
Alpenglow (Short)ALASKA12004
Stikine RiverALASKA12011
Kuiu IslandALASKA12009

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