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

Ring-necked Duck In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestWaterfowl

Ring-necked Duck in Northern Pacific Rainforest has risen sharply: up 51% on the route-weighted index since 1982.

+51%Since 1982
16Routes In Region
30Years

Notable Signals

long arc increasecomputed index

Ring-necked Duck has risen sharply in Northern Pacific Rainforest: up 51% on the route-weighted index since 1982.

Forecast

If the recent trend holds, Ring-necked Duck in Northern Pacific Rainforest is projected to fall about 57% by 2029 — from 0.20 in 2024 to a central estimate of 0.09 (95% range 0.00–0.20). A 5-year backtest shows a typical error of ±291%, with 100% of held-out values landing inside the 95% band.

-57%Change by 2029
0.09Projected 2029 index
0.00–0.2095% range
±291%Backtest error
19762029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.080.000.20
20260.080.000.20
20270.080.000.20
20280.080.000.20
20290.090.000.20

Routes In Northern Pacific Rainforest

Routes recording Ring-necked Duck in Northern Pacific Rainforest.
CordovaALASKA82024
HainesALASKA62005
Crescent CtyCALIFORNIA51976
Elk LakeOREGON42024
GlasgowOREGON32024
SitkaALASKA21996
Thorne BayALASKA22002
YakutatALASKA22021
Elmendorf (Short)ALASKA21984
Copper RiverALASKA22010
RuchOREGON22000
Sheep MtnALASKA12011
YrekaCALIFORNIA11996
Days CreekOREGON11986
Warm BeachWASHINGTON12000
Mendota 2WASHINGTON11991

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