As monsoon rains bring much needed water to Arizona’s deserts, you may notice some of the state’s beloved shell-backed reptiles on the move. State wildlife officials have a message for those who may ...

One of the rarest animals on Earth is slowly rebounding on the rock ledge of a remote water-filled Mojave Desert cavern — the only place where the species has ever been observed. The critically ...

Iguanas are known to be some of the biggest lizards in the American region. Their tails, formed like whips, make up roughly half their size. Iguanas are cold-blooded animals that can easily adapt to ...

TUCSON, Ariz.— The Center for Biological Diversity petitioned the U.S. Fish and Wildlife Service today to protect the LeConte’s thrasher under the Endangered Species Act. LeConte’s thrashers, native ...

TUCSON, Ariz.— The Center for Biological Diversity filed a formal petition today urging the federal government to expand the critical habitat designation for the Sonora chub, a small desert fish ...