Species · BCR 5 · BBS 2025 Release · 1966–2024
Mountain Bluebird In Northern Pacific Rainforest
Mountain Bluebird in Northern Pacific Rainforest has fallen sharply: down 67% on the route-weighted index since 1970.
-67%Since 1970
17Routes In Region
47Years
Notable Signals
long arc declinecomputed index
Mountain Bluebird has fallen sharply in Northern Pacific Rainforest: down 67% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Mountain Bluebird in Northern Pacific Rainforest is projected to stay roughly flat through 2028, near 0.01 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±122.2%, with 60% of held-out values landing inside the 95% band.
n/aChange by 2028
0.01Projected 2028 index
0.00–0.1395% range
±122.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.02 | 0.00 | 0.14 |
| 2025 | 0.02 | 0.00 | 0.13 |
| 2026 | 0.02 | 0.00 | 0.13 |
| 2027 | 0.02 | 0.00 | 0.13 |
| 2028 | 0.01 | 0.00 | 0.13 |
Routes In Northern Pacific Rainforest
| Mt Shasta | CALIFORNIA | 12 | 2019 |
| Elk Lake | OREGON | 4 | 2018 |
| Yreka | CALIFORNIA | 2 | 1977 |
| Days Creek | OREGON | 2 | 1971 |
| Hullville | CALIFORNIA | 1 | 2000 |
| Mccloud | CALIFORNIA | 1 | 1983 |
| Dirigio | CALIFORNIA | 1 | 1999 |
| Hay Fork | CALIFORNIA | 1 | 2010 |
| Shellrock | OREGON | 1 | 2014 |
| Cool Camp | OREGON | 1 | 1998 |
| Umpqua | OREGON | 1 | 1976 |
| Emigrant Lk | OREGON | 1 | 1983 |
| Blue River | OREGON | 1 | 1999 |
| Warner Mtn. | OREGON | 1 | 1999 |
| Whiskey Spg. | OREGON | 1 | 2004 |
| Hurricane Rg | WASHINGTON | 1 | 2023 |
| Mt. Adams | WASHINGTON | 1 | 1996 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.