Species · BCR 5 · BBS 2025 Release · 1966–2024
Blue-winged Teal In Northern Pacific Rainforest
Blue-winged Teal in Northern Pacific Rainforest has declined: down 46% on the route-weighted index since 1973.
-46%Since 1973
14Routes In Region
18Years
Notable Signals
No notable trend signals for Blue-winged Teal in Northern Pacific Rainforest. See the full index history below.
Forecast
If the recent trend holds, Blue-winged Teal in Northern Pacific Rainforest is projected to stay roughly flat through 2021, near 0.02 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±202.2%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2021
0.02Projected 2021 index
0.00–0.1395% range
±202.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2017 | 0.03 | 0.00 | 0.13 |
| 2018 | 0.03 | 0.00 | 0.13 |
| 2019 | 0.03 | 0.00 | 0.13 |
| 2020 | 0.02 | 0.00 | 0.13 |
| 2021 | 0.02 | 0.00 | 0.13 |
Routes In Northern Pacific Rainforest
| Bay View | WASHINGTON | 5 | 2008 |
| Sitka | ALASKA | 4 | 1994 |
| Carnation | WASHINGTON | 4 | 2008 |
| Crescent Cty | CALIFORNIA | 3 | 1980 |
| Umpqua | OREGON | 3 | 1968 |
| Canby | OREGON | 3 | 2016 |
| Port Angeles | WASHINGTON | 3 | 1981 |
| Bodega Bay | CALIFORNIA | 2 | 1975 |
| Warm Beach | WASHINGTON | 2 | 2000 |
| South Elma | WASHINGTON | 2 | 1990 |
| Copper River | ALASKA | 1 | 1993 |
| Yreka | CALIFORNIA | 1 | 1993 |
| Adair | OREGON | 1 | 2011 |
| Issaquah | WASHINGTON | 1 | 1980 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.