Species · BCR 10 · BBS 2025 Release · 1966–2024
Red-breasted Nuthatch In Northern Rockies
Red-breasted Nuthatch in Northern Rockies has surged: up 133% on the route-weighted index since 1970.
+133%Since 1970
147Routes In Region
56Years
Notable Signals
long arc increasecomputed index
Red-breasted Nuthatch has surged in Northern Rockies: up 133% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Red-breasted Nuthatch in Northern Rockies is projected to rise about 39% by 2029 — from 4.7 in 2024 to a central estimate of 6.5 (95% range 3.6–9.5). A 5-year backtest shows a typical error of ±31.9%, with 100% of held-out values landing inside the 95% band.
+39%Change by 2029
6.5Projected 2029 index
3.6–9.595% range
±31.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 6.3 | 3.3 | 9.2 |
| 2026 | 6.3 | 3.4 | 9.3 |
| 2027 | 6.4 | 3.4 | 9.3 |
| 2028 | 6.5 | 3.5 | 9.4 |
| 2029 | 6.5 | 3.6 | 9.5 |
Routes In Northern Rockies
| L Pend O Nwr | WASHINGTON | 53 | 2024 |
| Coolin | IDAHO | 32 | 2024 |
| Omak Creek | WASHINGTON | 30 | 2024 |
| Donnelly | OREGON | 29 | 2006 |
| Twin Lakes | WASHINGTON | 29 | 2024 |
| Cusick | WASHINGTON | 29 | 2024 |
| Hash Rock | OREGON | 26 | 2024 |
| Ochoco | OREGON | 24 | 1982 |
| Black Mtn. | OREGON | 24 | 2004 |
| Cloverland | WASHINGTON | 23 | 2024 |
| Desolation | OREGON | 20 | 2007 |
| Laurier | WASHINGTON | 20 | 2022 |
| Sullivan Lake 2 | WASHINGTON | 20 | 2024 |
| Painted Rock | MONTANA | 19 | 2022 |
| Troy | OREGON | 19 | 2024 |
| Grangeville | IDAHO | 17 | 2024 |
| St Regis | MONTANA | 17 | 2024 |
| Hells Canyon | OREGON | 17 | 2022 |
| Barnhouse | OREGON | 17 | 2024 |
| Howard Mdws. | OREGON | 16 | 2024 |
| Chewelah | WASHINGTON | 16 | 2021 |
| Skalkaho | MONTANA | 15 | 1998 |
| Keller | WASHINGTON | 15 | 2007 |
| Naples | IDAHO | 14 | 2024 |
| Thompson Riv | MONTANA | 14 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.