Species · New Mexico · BBS 2025 Release · 1966–2024
Great Blue Heron Population Trend in New Mexico
Great Blue Heron in New Mexico has risen sharply: up 71% on the route-weighted index since 1992.
+71%Since 1992
31Routes In State
34Years
Notable Great Blue Heron Trends in New Mexico
long arc increasecomputed index
Great Blue Heron has risen sharply in New Mexico: up 71% on the route-weighted index since 1992.
Great Blue Heron Population Forecast in New Mexico
If the recent trend holds, Great Blue Heron in New Mexico is projected to stay roughly flat through 2029, near 0.11 (95% range 0.00–0.24). A 5-year backtest shows a typical error of ±66.8%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.11Projected 2029 index
0.00–0.2495% range
±66.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.10 | 0.00 | 0.24 |
| 2026 | 0.11 | 0.00 | 0.24 |
| 2027 | 0.11 | 0.00 | 0.24 |
| 2028 | 0.11 | 0.00 | 0.24 |
| 2029 | 0.11 | 0.00 | 0.24 |
Great Blue Heron Survey Routes in New Mexico
| Maxwell | 5 | 2023 | 1998 |
| Cooley Lake | 2 | 2001 | 1996 |
| Laborcita | 2 | 2019 | 1996 |
| Bluewater Lake | 2 | 2007 | 2007 |
| Cerro Verde | 2 | 2016 | 2016 |
| San Simon | 1 | 2008 | 2008 |
| Cebolla | 1 | 2018 | 2018 |
| Ojo Sarco | 1 | 2024 | 2023 |
| Farley | 1 | 2014 | 2014 |
| La Cienega | 1 | 2007 | 2001 |
| Pecos | 1 | 2004 | 2004 |
| San Antonio | 1 | 1974 | 1974 |
| Dulce | 1 | 2022 | 2008 |
| Angel Fire 2 | 1 | 2021 | 2021 |
| Jornada | 1 | 2023 | 2010 |
| Laborcita 2 | 1 | 2022 | 2022 |
| Sedan | 1 | 2022 | 1994 |
| Vallecitos | 1 | 2024 | 2021 |
| Gallinas | 1 | 2019 | 1997 |
| Variadero | 1 | 2011 | 2011 |
| Rosebud | 1 | 2017 | 2001 |
| Pastura | 1 | 2016 | 2016 |
| Reserve | 1 | 2009 | 1996 |
| Bitter Lake | 1 | 2019 | 2003 |
| La Plata | 1 | 2013 | 2013 |
Great Blue Heron Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.