Species · BCR 9 · BBS 2025 Release · 1966–2024
Northern Mockingbird In Great Basin
Northern Mockingbird in Great Basin has held roughly steady: up 1% on the route-weighted index since 1970.
+1%Since 1970
87Routes In Region
55Years
Notable Signals
No notable trend signals for Northern Mockingbird in Great Basin. See the full index history below.
Forecast
If the recent trend holds, Northern Mockingbird in Great Basin is projected to stay roughly flat through 2029, near 0.87 (95% range 0.40–1.3). A 5-year backtest shows a typical error of ±18%, with 100% of held-out values landing inside the 95% band.
+4%Change by 2029
0.87Projected 2029 index
0.40–1.395% range
±18%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.83 | 0.36 | 1.3 |
| 2026 | 0.84 | 0.37 | 1.3 |
| 2027 | 0.85 | 0.38 | 1.3 |
| 2028 | 0.86 | 0.39 | 1.3 |
| 2029 | 0.87 | 0.40 | 1.3 |
Routes In Great Basin
| Caliente | NEVADA | 77 | 2019 |
| Iron Springs 2 | UTAH | 24 | 2024 |
| Iron Springs | UTAH | 15 | 2023 |
| Ruby Valley 2 | NEVADA | 14 | 2021 |
| Gandy | UTAH | 14 | 2015 |
| Frenchman | NEVADA | 12 | 1978 |
| Willis | NEVADA | 12 | 2024 |
| Promontory | UTAH | 9 | 2024 |
| Beryl | UTAH | 9 | 2024 |
| Desert Nwr | NEVADA | 8 | 2024 |
| Oak City | UTAH | 8 | 2024 |
| Wendover | UTAH | 6 | 2011 |
| Tule Valley | UTAH | 6 | 2013 |
| Toiyabe Nf | NEVADA | 5 | 2024 |
| Wah Wah | UTAH | 5 | 2004 |
| Callao | UTAH | 5 | 2024 |
| Jericho Junction | UTAH | 5 | 2024 |
| Newcastle | UTAH | 5 | 2022 |
| Darroughs Hot Spgs | NEVADA | 4 | 2024 |
| Delta | UTAH | 4 | 2024 |
| Vernon | UTAH | 4 | 2024 |
| Snowville | UTAH | 4 | 2021 |
| Cortez | NEVADA | 3 | 2024 |
| Majors Place | NEVADA | 3 | 2024 |
| Minerva | NEVADA | 3 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.