PHOENIX — A Tucson-based environmental group is petitioning the U.S. Fish and Wildlife Services to put seven amphibians and reptiles on the endangered-species list, including four native to Arizona.

The Carson Valley monkeyflower is a small, annual herb that grows in sandy flats and gentle slopes in Nevada and California. The Center for Biological Diversity petitioned the U.S. Fish and Wildlife ...

The golden toad was declared extinct in 2004, the victim of climate change, scientists said in 2022. But Trevor Ritland hasn't given up the search.

COCHISE COUNTY, Ariz. — From rattlesnakes to Gila monsters, scorpions to Sonoran toads and many more, Arizona is known for the many critters that call the state home. Now, there is one more to know ...