Unlike most frogs and toads, Amargosa toads never make a sound unless they're chirping their “release call” when grasped below their forelimbs. These occupants of southern Nevada's Oasis Valley, a ...

For generations, Nevada’s big-eyed, black-freckled Dixie Valley toad thrived in a small desert oasis, hidden from humans. But by the time scientists described it in 2017, the toad was already ...