Species · BCR 35 · BBS 2025 Release · 1966–2024
Hermit Thrush In Chihuahuan Desert
Hermit Thrush in Chihuahuan Desert has fallen sharply: down 57% on the route-weighted index since 1978.
-57%Since 1978
5Routes In Region
43Years
Notable Signals
long arc declinecomputed index
Hermit Thrush has fallen sharply in Chihuahuan Desert: down 57% on the route-weighted index since 1978.
Forecast
If the recent trend holds, Hermit Thrush in Chihuahuan Desert is projected to fall about 100% by 2029 — from 0.69 in 2024 to a central estimate of 0.00 (95% range 0.00–1.4). A 5-year backtest shows a typical error of ±94.2%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–1.495% range
±94.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.01 | 0.00 | 1.4 |
| 2026 | 0.00 | 0.00 | 1.4 |
| 2027 | 0.00 | 0.00 | 1.4 |
| 2028 | 0.00 | 0.00 | 1.4 |
| 2029 | 0.00 | 0.00 | 1.4 |
Routes In Chihuahuan Desert
| Cloudcroft | NEW-MEXICO | 16 | 2024 |
| Carrizozo | NEW-MEXICO | 4 | 2024 |
| Pinon | NEW-MEXICO | 2 | 2016 |
| Toyahvale | TEXAS | 1 | 2011 |
| Salt Flat | TEXAS | 1 | 2011 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.