Holzner's cottontail
The robust cottontail or Holzner's cottontail (Sylvilagus holzneri ) is a species of cottontail rabbit native to high-altitude regions of the southwestern United States and western Mexico.
S. holzneri typically averages a total length of 42 cm, and weighs between 1.3 and 1.8 kg. It is restricted to dry, brushy, mountains at elevations above 1500 meters.