Species · New Mexico · BBS 2025 Release · 1966–2024
Long-billed Curlew Population Trend in New Mexico
Long-billed Curlew in New Mexico has declined: down 38% on the route-weighted index since 1970.
-38%Since 1970
23Routes In State
50Years
Notable Long-billed Curlew Trends in New Mexico
No notable trend signals for Long-billed Curlew in New Mexico. See the full index history below.
Long-billed Curlew Population Forecast in New Mexico
If the recent trend holds, Long-billed Curlew in New Mexico is projected to rise about 130% by 2029 — from 0.26 in 2024 to a central estimate of 0.60 (95% range 0.00–1.2). A 5-year backtest shows a typical error of ±87.4%, with 100% of held-out values landing inside the 95% band.
+130%Change by 2029
0.60Projected 2029 index
0.00–1.295% range
±87.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.60 | 0.00 | 1.2 |
| 2026 | 0.60 | 0.00 | 1.2 |
| 2027 | 0.60 | 0.00 | 1.2 |
| 2028 | 0.60 | 0.00 | 1.2 |
| 2029 | 0.60 | 0.00 | 1.2 |
Long-billed Curlew Survey Routes in New Mexico
| Cooley Lake | 14 | 2023 | 1968 |
| Bitter Lake | 7 | 2017 | 2004 |
| Raton | 5 | 1994 | 1994 |
| Hobbs | 4 | 2011 | 2006 |
| Columbus | 4 | 1993 | 1993 |
| Sabinoso | 4 | 2021 | 1990 |
| Farley | 2 | 2016 | 1982 |
| Pecos | 2 | 2015 | 1988 |
| Wagon Mound | 2 | 1978 | 1970 |
| Fence Lake | 2 | 2024 | 1995 |
| Floyd | 2 | 2024 | 1968 |
| Sedan | 2 | 2024 | 1994 |
| Rosebud | 2 | 2023 | 1994 |
| Pastura | 2 | 2024 | 1997 |
| Clovis | 2 | 2024 | 2004 |
| Grenville | 1 | 2016 | 1968 |
| Tucumcari | 1 | 1975 | 1975 |
| Roswell | 1 | 1995 | 1995 |
| Caprock | 1 | 2021 | 1993 |
| Maxwell | 1 | 2024 | 1996 |
| Gallinas | 1 | 2016 | 1992 |
| Pep | 1 | 2024 | 1992 |
| Logan | 1 | 2010 | 1978 |
Long-billed Curlew Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.