The Gila chub once benefited from the engineering feats of beavers living in the upper Gila River basin, whose dams created deep, slow-moving pools the chub loved. So in the late 1800s, when beavers ...

The Gila monster is a large, magnificent and venomous desert-dwelling reptile found throughout the southwestern US and Mexico. A toxic bite from the Gila can cause searing pain, loss of ...

Gila monsters are large, bearded lizards native to deserts in the U.S. southwest and parts of Mexico. They are among the few venomous lizards. Due to their size and slow metabolism, they are slow ...