The commission then granted temporary endangered species to the desert tortoise while it considered adding it permanently to the list ... About 1 million animal and plant species are at risk ...

The desert mule deer is a common sight in the Trans ... In fact, it was what they called “the rarest of rare” animals. What the Texas Parks and Wildlife—Trans-Pecos Wildlife District spotted ...

There's plenty of air in the tiny spaces between grains of sand; the problem for sand-burrowing animals is how to get that air into their lungs while keeping the sand out ...