Species · New Mexico · BBS 2025 Release · 1966–2024
Gray Vireo Population Trend in New Mexico
Gray Vireo in New Mexico has surged: up 206% on the route-weighted index since 1977.
+206%Since 1977
24Routes In State
37Years
Notable Gray Vireo Trends in New Mexico
long arc increasecomputed index
Gray Vireo has surged in New Mexico: up 206% on the route-weighted index since 1977.
Gray Vireo Population Forecast in New Mexico
If the recent trend holds, Gray Vireo in New Mexico is projected to stay roughly flat through 2029, near 0.35 (95% range 0.17–0.52). A 5-year backtest shows a typical error of ±14.6%, with 100% of held-out values landing inside the 95% band.
+6%Change by 2029
0.35Projected 2029 index
0.17–0.5295% range
±14.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.32 | 0.15 | 0.49 |
| 2026 | 0.33 | 0.15 | 0.50 |
| 2027 | 0.33 | 0.16 | 0.51 |
| 2028 | 0.34 | 0.17 | 0.51 |
| 2029 | 0.35 | 0.17 | 0.52 |
Gray Vireo Survey Routes in New Mexico
| La Plata 2 | 10 | 2016 | 2014 |
| Magdalena | 5 | 2024 | 2009 |
| Mcgaffey | 4 | 2023 | 2023 |
| La Plata | 4 | 2013 | 1993 |
| Salt Lake 2 | 3 | 2024 | 2005 |
| Sabinoso | 3 | 2021 | 2000 |
| Nageesi | 2 | 2024 | 1995 |
| La Cienega | 2 | 2022 | 1976 |
| Pecos | 2 | 1973 | 1973 |
| Counselor | 2 | 2024 | 1992 |
| Farmington | 1 | 1980 | 1980 |
| Torreon | 1 | 2017 | 2014 |
| Horse Spgs | 1 | 2022 | 1999 |
| Horse Mtn | 1 | 2012 | 1998 |
| Vallecitos | 1 | 2023 | 2023 |
| Mountainair | 1 | 2024 | 2024 |
| Reserve | 1 | 2022 | 2013 |
| Vicks Peak | 1 | 2022 | 2022 |
| Capitan Mtn. | 1 | 2016 | 2016 |
| Emory Pass | 1 | 2012 | 1994 |
| Pinon | 1 | 2024 | 1992 |
| Queen | 1 | 2021 | 1999 |
| Escondida | 1 | 2022 | 2022 |
| Claunch 2 | 1 | 2024 | 2015 |
Gray Vireo Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.