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
0.001.295% range
±87.4%Backtest error
19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.600.001.2
20260.600.001.2
20270.600.001.2
20280.600.001.2
20290.600.001.2

Long-billed Curlew Survey Routes in New Mexico

Routes recording Long-billed Curlew in New Mexico.
Cooley Lake1420231968
Bitter Lake720172004
Raton519941994
Hobbs420112006
Columbus419931993
Sabinoso420211990
Farley220161982
Pecos220151988
Wagon Mound219781970
Fence Lake220241995
Floyd220241968
Sedan220241994
Rosebud220231994
Pastura220241997
Clovis220242004
Grenville120161968
Tucumcari119751975
Roswell119951995
Caprock120211993
Maxwell120241996
Gallinas120161992
Pep120241992
Logan120101978

Long-billed Curlew Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.