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

Gadwall In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestWaterfowl

Gadwall in Northern Pacific Rainforest has increased: up 30% on the route-weighted index since 1982.

+30%Since 1982
16Routes In Region
37Years

Notable Signals

No notable trend signals for Gadwall in Northern Pacific Rainforest. See the full index history below.

Forecast

If the recent trend holds, Gadwall in Northern Pacific Rainforest is projected to stay roughly flat through 2028, near 0.08 (95% range 0.00–0.19). A 5-year backtest shows a typical error of ±273.6%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2028
0.08Projected 2028 index
0.00–0.1995% range
±273.6%Backtest error
19782028
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
20240.080.000.19
20250.080.000.19
20260.080.000.19
20270.080.000.19
20280.080.000.19

Routes In Northern Pacific Rainforest

Routes recording Gadwall in Northern Pacific Rainforest.
Nicolai Mtn.OREGON42017
Moose PassALASKA21985
YrekaCALIFORNIA22018
AdairOREGON22021
LoraneOREGON22000
ScappooseOREGON22008
Port AngelesWASHINGTON22010
DeceptionWASHINGTON21997
Copper RiverALASKA11993
MccloudCALIFORNIA11985
WhiskeytownCALIFORNIA12003
Sams ValleyOREGON12007
Warm BeachWASHINGTON12002
Bay ViewWASHINGTON12006
MukilteoWASHINGTON12023
CarnationWASHINGTON12014

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