Species · BCR 9 · BBS 2025 Release · 1966–2024
Killdeer In Great Basin
Killdeer in Great Basin has declined: down 46% on the route-weighted index since 1970.
-46%Since 1970
237Routes In Region
56Years
Notable Signals
No notable trend signals for Killdeer in Great Basin. See the full index history below.
Forecast
If the recent trend holds, Killdeer in Great Basin is projected to stay roughly flat through 2029, near 2.7 (95% range 0.00–6.0). A 5-year backtest shows a typical error of ±9.9%, with 100% of held-out values landing inside the 95% band.
-5%Change by 2029
2.7Projected 2029 index
0.00–6.095% range
±9.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.2 | 0.00 | 6.4 |
| 2026 | 3.1 | 0.00 | 6.3 |
| 2027 | 2.9 | 0.00 | 6.2 |
| 2028 | 2.8 | 0.00 | 6.1 |
| 2029 | 2.7 | 0.00 | 6.0 |
Routes In Great Basin
| Umatilla | OREGON | 56 | 2023 |
| Glenns Ferry | IDAHO | 52 | 1986 |
| Dorris | CALIFORNIA | 42 | 2019 |
| Wapato | WASHINGTON | 38 | 2022 |
| Scootney Reservoir | WASHINGTON | 35 | 2024 |
| Potholes | WASHINGTON | 26 | 2023 |
| Likely | CALIFORNIA | 25 | 2024 |
| Ordnance | OREGON | 25 | 1979 |
| Mesa | WASHINGTON | 22 | 2008 |
| Bear River | UTAH | 21 | 2023 |
| Quincy | WASHINGTON | 21 | 2024 |
| Harwood | WASHINGTON | 20 | 1997 |
| Acequia | IDAHO | 19 | 2012 |
| Blacks Creek | IDAHO | 16 | 2017 |
| Catlow Rim | OREGON | 15 | 2024 |
| Cedar Hill | IDAHO | 14 | 2024 |
| Merrill | OREGON | 14 | 2022 |
| Columbia Nwr | WASHINGTON | 14 | 2022 |
| Iron Gate | CALIFORNIA | 13 | 2019 |
| Baker | IDAHO | 12 | 2024 |
| Alvord Lake | OREGON | 12 | 2024 |
| Sheaville | OREGON | 12 | 2024 |
| Zumwalt | OREGON | 12 | 2005 |
| Mud Lake | IDAHO | 11 | 2023 |
| Willow Spg | OREGON | 11 | 1971 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.