BirdAnalyst
Species · BCR 5 · BBS 2026 Release · 1966–2025

Red-breasted Nuthatch In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestForest birds

Red-breasted Nuthatch in Northern Pacific Rainforest has increased: up 38% on the route-weighted index since 1970.

+38%Since 1970TrendPercent 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 →
142Routes 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 →
57YearsYears 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 Red-breasted Nuthatch in Northern Pacific Rainforest. See the full index history below.

Red-breasted Nuthatch In Northern Pacific Rainforest Population Forecast

If the recent trend holds, Red-breasted Nuthatch in Northern Pacific Rainforest is projected to stay roughly flat through 2030, near 6.5 (95% range 4.2–8.9). A 5-year backtest shows a typical error of ±19.4%, with 100% of held-out values landing inside the 95% band.

-1%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 →
6.5Projected 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 →
4.2–8.995% 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 →
±19.4%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, Red-breasted Nuthatch in Northern Pacific Rainforest is projected to stay roughly flat through 2030, near 6.5 (95% range 4.2–8.9). A 5-year backtest shows a typical error of ±19.4%, with 100% of held-out values landing inside the 95% band.19682030
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 →
20266.33.98.6
20276.34.08.7
20286.44.08.7
20296.54.18.8
20306.54.28.9

Routes In Northern Pacific Rainforest

Routes recording Red-breasted Nuthatch 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 →
Pilot CreekCALIFORNIA361996
Vashon Is.WASHINGTON362025
RuchOREGON352025
South Fork MtnCALIFORNIA342022
ShellrockOREGON332024
RainierWASHINGTON312025
DirigioCALIFORNIA302014
Friday RidgeCALIFORNIA282025
MccloudCALIFORNIA272021
CinderellaOREGON272025
Lobster CreekOREGON262025
Myrtle GroveOREGON262023
ClearwaterOREGON232025
Port AngelesWASHINGTON222025
CougarWASHINGTON162023
Big FlatCALIFORNIA152014
TualatinOREGON152025
Mt ShastaCALIFORNIA142019
Burnt RanchCALIFORNIA142016
Whiskey Spg.OREGON142022
ProspectOREGON142025
Hurricane RgWASHINGTON142025
Cool CampOREGON132013
Hazel CampOREGON132022
SelmaOREGON122025

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