Species · BCR 9 · BBS 2025 Release · 1966–2024
Chipping Sparrow In Great Basin
Chipping Sparrow in Great Basin has increased: up 35% on the route-weighted index since 1970.
+35%Since 1970
178Routes In Region
56Years
Notable Signals
No notable trend signals for Chipping Sparrow in Great Basin. See the full index history below.
Forecast
If the recent trend holds, Chipping Sparrow in Great Basin is projected to rise about 22% by 2029 — from 3.7 in 2024 to a central estimate of 4.5 (95% range 2.2–6.8). A 5-year backtest shows a typical error of ±43.8%, with 100% of held-out values landing inside the 95% band.
+22%Change by 2029
4.5Projected 2029 index
2.2–6.895% range
±43.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 4.5 | 2.2 | 6.8 |
| 2026 | 4.5 | 2.2 | 6.8 |
| 2027 | 4.5 | 2.2 | 6.8 |
| 2028 | 4.5 | 2.2 | 6.8 |
| 2029 | 4.5 | 2.2 | 6.8 |
Routes In Great Basin
| Barnes Val | OREGON | 57 | 1987 |
| Bald Mtn. | OREGON | 36 | 2024 |
| Macdoel | CALIFORNIA | 32 | 2019 |
| Sisters | OREGON | 27 | 2024 |
| Snowden | WASHINGTON | 25 | 2024 |
| Paisley | OREGON | 21 | 2024 |
| Blewett Pass | WASHINGTON | 21 | 2024 |
| Lake Chelan | WASHINGTON | 21 | 2024 |
| E. Mt. Adams | WASHINGTON | 21 | 2024 |
| Camp Sherman | OREGON | 20 | 1996 |
| Badger Creek | OREGON | 20 | 2024 |
| Nighthawk | WASHINGTON | 20 | 2024 |
| Crowder Flat | CALIFORNIA | 19 | 2019 |
| Gifford | IDAHO | 19 | 2017 |
| Ruby Valley | NEVADA | 18 | 2001 |
| Bly | OREGON | 18 | 2001 |
| Leavenworth | WASHINGTON | 17 | 2024 |
| Hackamore | CALIFORNIA | 16 | 2010 |
| Ranchogrande | NEVADA | 16 | 2024 |
| Paunina | OREGON | 16 | 2024 |
| Lapham Res. | OREGON | 15 | 2024 |
| Bly 2 | OREGON | 14 | 2024 |
| Dougal Res | IDAHO | 13 | 2024 |
| Davis Lake | OREGON | 13 | 2024 |
| Zumwalt | OREGON | 13 | 2005 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.