It can be observed throughout Texas in all but the eastern one-fourth of the state. It also occurs in most of the southwestern states, and as far south as the state of Hidalgo, Mexico. The habitats ...
The Railroad Valley toad, a critically imperiled species endemic to the Nye Valley in Nevada. (Gary Nafis/Center for Biological Diversity via Courthouse News) TUCSON, Ariz. (CN) — Adding to a long ...