Species · BCR 5 · BBS 2025 Release · 1966–2024
Western Grebe In Northern Pacific Rainforest
Western Grebe in Northern Pacific Rainforest has collapsed: down 92% on the route-weighted index since 1989.
-92%Since 1989
7Routes In Region
23Years
Notable Signals
long arc declinecomputed index
Western Grebe has collapsed in Northern Pacific Rainforest: down 92% on the route-weighted index since 1989.
Forecast
If the recent trend holds, Western Grebe in Northern Pacific Rainforest is projected to stay roughly flat through 2024, near 0.00 (95% range 0.00–0.77). A 5-year backtest shows a typical error of ±330.3%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2024
0.00Projected 2024 index
0.00–0.7795% range
±330.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2020 | 0.00 | 0.00 | 0.77 |
| 2021 | 0.00 | 0.00 | 0.77 |
| 2022 | 0.00 | 0.00 | 0.77 |
| 2023 | 0.00 | 0.00 | 0.77 |
| 2024 | 0.00 | 0.00 | 0.77 |
Routes In Northern Pacific Rainforest
| Navarro | CALIFORNIA | 10 | 1990 |
| Fish Rock | CALIFORNIA | 3 | 2010 |
| Laytonville | CALIFORNIA | 2 | 1989 |
| Crescent Cty | CALIFORNIA | 1 | 2003 |
| Honeydew | CALIFORNIA | 1 | 2010 |
| Bodega Bay | CALIFORNIA | 1 | 2019 |
| Wedderburn | OREGON | 1 | 1986 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.