Although bobcat pelts have been illegally transported from Mexico into the United States, Mexico hasn’t done a census to show how many Mexican bobcats have been trapped, shot, or poisoned. Nobody ...

The smallest gray wolf subspecies in North America, the Mexican gray wolf is also one of the rarest and most imperiled mammals on the continent. The U.S. Fish and Wildlife Service (and its predecessor ...

As darkness settled across a mountain in central Mexico, a venomous baby creature settled down to sleep, but its night wouldn’t be restful. A passing hiker noticed the “poorly known” animal and roused ...

But now, University of New Mexico researchers have found that more than 30 species of rodent and other small mammals endemic to the Southwest actually carry the virus, including ground squirrels ...