There are 714,094 acres (288,984 ha) under management of the Division of Wildlife often referred to as a WMA.
There is some confusion as there are also listed eight Wildlife Management Areas[9] that roughly coincide with the 10 ecoregions.
Shares 25 miles of the Rio Grande with the Mexican State of Coahuila to the south and where the Serranias del Burro and Sierra del Carmen mountain ranges.
Native bighorn sheep (Ovis canadensis mexicana) was almost extirpated but re-introduction efforts have proven successful.
[16] Twenty-five square miles (16,000 acres) are being added to the WMA[17] with a 2018 approved purchase plan.