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.

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.

Cane toads, aka bufo toads, in Florida secrete a toxin that can harm or even kill animals that lick, bite or eat them, ...