Species · BCR 35 · BBS 2025 Release · 1966–2024
American Avocet In Chihuahuan Desert
American Avocet in Chihuahuan Desert has surged: up 79% on the route-weighted index since 2001.
+79%Since 2001
5Routes In Region
18Years
Notable Signals
long arc increasecomputed index
American Avocet has surged in Chihuahuan Desert: up 79% on the route-weighted index since 2001.
Forecast
If the recent trend holds, American Avocet in Chihuahuan Desert is projected to rise about 387% by 2029 — from 0.07 in 2024 to a central estimate of 0.34 (95% range 0.00–0.89). A 5-year backtest shows a typical error of ±90.9%, with 60% of held-out values landing inside the 95% band.
+387%Change by 2029
0.34Projected 2029 index
0.00–0.8995% range
±90.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.31 | 0.00 | 0.86 |
| 2026 | 0.32 | 0.00 | 0.87 |
| 2027 | 0.32 | 0.00 | 0.88 |
| 2028 | 0.33 | 0.00 | 0.88 |
| 2029 | 0.34 | 0.00 | 0.89 |
Routes In Chihuahuan Desert
| Presidio | TEXAS | 4 | 2001 |
| Gage | NEW-MEXICO | 2 | 2019 |
| Laborcita | NEW-MEXICO | 2 | 2010 |
| Columbus | NEW-MEXICO | 2 | 2024 |
| Quitman Canyon 2 | TEXAS | 1 | 2019 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.