The desert mule deer is a common sight in the Trans-Pecos region of west Texas, but when wildlife biologists conducted surveys recently, they came across an extremely uncommon sight. In fact ...

Traditionally ungulates were considered even or odd-toed hoofed animals, however, as genetics demonstrated new relationships between species, the number of animals who qualify as ungulates expanded.

Editor’s note: A version of this post was first published on March 30, 2022. The desert mule deer is a common sight in the Trans-Pecos region of west Texas, but when wildlife biologists ...