Species · BCR 35 · BBS 2025 Release · 1966–2024
Bewick's Wren In Chihuahuan Desert
Bewick's Wren in Chihuahuan Desert has increased: up 26% on the route-weighted index since 1969.
+26%Since 1969
43Routes In Region
57Years
Notable Signals
No notable trend signals for Bewick's Wren in Chihuahuan Desert. See the full index history below.
Forecast
If the recent trend holds, Bewick's Wren in Chihuahuan Desert is projected to fall about 37% by 2029 — from 5.6 in 2024 to a central estimate of 3.5 (95% range 0.78–6.2). A 5-year backtest shows a typical error of ±74.6%, with 100% of held-out values landing inside the 95% band.
-37%Change by 2029
3.5Projected 2029 index
0.78–6.295% range
±74.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.4 | 0.71 | 6.2 |
| 2026 | 3.5 | 0.73 | 6.2 |
| 2027 | 3.5 | 0.75 | 6.2 |
| 2028 | 3.5 | 0.77 | 6.2 |
| 2029 | 3.5 | 0.78 | 6.2 |
Routes In Chihuahuan Desert
| Devils R Cyn | TEXAS | 92 | 2024 |
| Pumpville | TEXAS | 37 | 2024 |
| Comstock | TEXAS | 29 | 2023 |
| Carrizozo | NEW-MEXICO | 10 | 2024 |
| Quitman Cyn. | TEXAS | 10 | 2009 |
| Girvin | TEXAS | 9 | 2017 |
| Capitan Mtn. | NEW-MEXICO | 6 | 2015 |
| Queen | NEW-MEXICO | 6 | 2021 |
| Longfellow | TEXAS | 5 | 2024 |
| Pinon | NEW-MEXICO | 4 | 2024 |
| Langtry | TEXAS | 4 | 2000 |
| Sunshine Wll | NEW-MEXICO | 3 | 2023 |
| Delaware Crk | TEXAS | 3 | 2014 |
| Ft. Stockton | TEXAS | 3 | 2019 |
| Chisos Basin | TEXAS | 3 | 2024 |
| Gage | NEW-MEXICO | 2 | 2010 |
| Laborcita | NEW-MEXICO | 2 | 2019 |
| Red Rock | NEW-MEXICO | 2 | 2023 |
| Escondida | NEW-MEXICO | 2 | 2024 |
| Laborcita 2 | NEW-MEXICO | 2 | 2024 |
| Valentine | TEXAS | 2 | 1987 |
| Castolon | TEXAS | 2 | 2024 |
| Marfa | TEXAS | 2 | 2024 |
| Roswell | NEW-MEXICO | 1 | 2023 |
| Jornada | NEW-MEXICO | 1 | 2023 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.