Species · BCR 35 · BBS 2025 Release · 1966–2024
Northern House Wren In Chihuahuan Desert
Northern House Wren in Chihuahuan Desert has surged: up 113% on the route-weighted index since 1977.
+113%Since 1977
4Routes In Region
43Years
Notable Signals
long arc increasecomputed index
Northern House Wren has surged in Chihuahuan Desert: up 113% on the route-weighted index since 1977.
Forecast
If the recent trend holds, Northern House Wren in Chihuahuan Desert is projected to fall about 31% by 2029 — from 0.59 in 2024 to a central estimate of 0.40 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±58.9%, with 100% of held-out values landing inside the 95% band.
-31%Change by 2029
0.40Projected 2029 index
0.00–1.195% range
±58.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.43 | 0.00 | 1.1 |
| 2026 | 0.42 | 0.00 | 1.1 |
| 2027 | 0.41 | 0.00 | 1.1 |
| 2028 | 0.41 | 0.00 | 1.1 |
| 2029 | 0.40 | 0.00 | 1.1 |
Routes In Chihuahuan Desert
| Cloudcroft | NEW-MEXICO | 17 | 2024 |
| Carrizozo | NEW-MEXICO | 4 | 1974 |
| Pinon | NEW-MEXICO | 3 | 2000 |
| Capitan Mtn. | NEW-MEXICO | 2 | 1994 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.