Species · BCR 35 · BBS 2025 Release · 1966–2024
Blue-gray Gnatcatcher In Chihuahuan Desert
Blue-gray Gnatcatcher in Chihuahuan Desert has declined: down 41% on the route-weighted index since 1970.
-41%Since 1970
21Routes In Region
49Years
Notable Signals
No notable trend signals for Blue-gray Gnatcatcher in Chihuahuan Desert. See the full index history below.
Forecast
If the recent trend holds, Blue-gray Gnatcatcher in Chihuahuan Desert is projected to rise about 73% by 2029 — from 0.17 in 2024 to a central estimate of 0.30 (95% range 0.00–0.60). A 5-year backtest shows a typical error of ±221%, with 100% of held-out values landing inside the 95% band.
+73%Change by 2029
0.30Projected 2029 index
0.00–0.6095% range
±221%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.29 | 0.00 | 0.59 |
| 2026 | 0.29 | 0.00 | 0.59 |
| 2027 | 0.29 | 0.00 | 0.59 |
| 2028 | 0.30 | 0.00 | 0.60 |
| 2029 | 0.30 | 0.00 | 0.60 |
Routes In Chihuahuan Desert
| Comstock | TEXAS | 10 | 2017 |
| Ft. Davis | TEXAS | 5 | 2008 |
| Lake Valley | NEW-MEXICO | 4 | 2003 |
| Shafter | TEXAS | 4 | 1973 |
| Pumpville | TEXAS | 3 | 2023 |
| Engle | NEW-MEXICO | 2 | 1989 |
| Hot Springs | TEXAS | 2 | 1993 |
| Devils R Cyn | TEXAS | 2 | 2023 |
| Chisos Basin | TEXAS | 2 | 2024 |
| Carrizozo | NEW-MEXICO | 1 | 1993 |
| Laborcita | NEW-MEXICO | 1 | 2005 |
| Pinon | NEW-MEXICO | 1 | 2024 |
| Escondida | NEW-MEXICO | 1 | 2012 |
| Black Gap | TEXAS | 1 | 2023 |
| Longfellow | TEXAS | 1 | 2024 |
| Valentine | TEXAS | 1 | 1978 |
| Ozona | TEXAS | 1 | 2021 |
| Langtry | TEXAS | 1 | 1998 |
| Presidio | TEXAS | 1 | 2006 |
| Ft. Stockton | TEXAS | 1 | 2004 |
| Toyahvale | TEXAS | 1 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.