Species · BCR 33 · BBS 2025 Release · 1966–2024
Killdeer In Sonoran and Mojave Deserts
Killdeer in Sonoran and Mojave Deserts has surged: up 315% on the route-weighted index since 1970.
+315%Since 1970
44Routes In Region
56Years
Notable Signals
long arc increasecomputed index
Killdeer has surged in Sonoran and Mojave Deserts: up 315% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Killdeer in Sonoran and Mojave Deserts is projected to rise about 36% by 2029 — from 2.0 in 2024 to a central estimate of 2.7 (95% range 0.00–5.7). A 5-year backtest shows a typical error of ±35.6%, with 100% of held-out values landing inside the 95% band.
+36%Change by 2029
2.7Projected 2029 index
0.00–5.795% range
±35.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.7 | 0.00 | 5.7 |
| 2026 | 2.7 | 0.00 | 5.7 |
| 2027 | 2.7 | 0.00 | 5.7 |
| 2028 | 2.7 | 0.00 | 5.7 |
| 2029 | 2.7 | 0.00 | 5.7 |
Routes In Sonoran and Mojave Deserts
| Palo Verde | ARIZONA | 25 | 2013 |
| Palo Verde 2 | ARIZONA | 21 | 2024 |
| Araby | ARIZONA | 11 | 2023 |
| Niland | CALIFORNIA | 11 | 2024 |
| Alamo River | CALIFORNIA | 11 | 2018 |
| Imperial Dam | CALIFORNIA | 11 | 2010 |
| Cactus Forest | ARIZONA | 10 | 2024 |
| Palo Verde | CALIFORNIA | 9 | 2024 |
| Ajo | ARIZONA | 6 | 2000 |
| Brawley | CALIFORNIA | 6 | 2012 |
| Blythe | CALIFORNIA | 5 | 2003 |
| Vicksburg | ARIZONA | 4 | 1989 |
| Ajo 2 | ARIZONA | 4 | 2019 |
| Florence | ARIZONA | 3 | 1988 |
| Dateland | ARIZONA | 3 | 2024 |
| Hope 2 | ARIZONA | 3 | 2018 |
| Wikieup | ARIZONA | 2 | 2004 |
| New River | ARIZONA | 2 | 2016 |
| Wickenburg | ARIZONA | 2 | 2022 |
| Hope | ARIZONA | 2 | 2004 |
| Casa Grande | ARIZONA | 2 | 2023 |
| Onyx | CALIFORNIA | 2 | 2001 |
| Coachella Cn | CALIFORNIA | 2 | 2000 |
| Lucerne Val | CALIFORNIA | 2 | 1998 |
| Kelso Valley | CALIFORNIA | 2 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.