Rumors are flying that a new toad that has shown up in a part of Madagascar can kill people and even cows. It’s not true, but the imported amphibians could mean big trouble for what’s left of the island’s unique plants and animals.Rumors are flying that a new toad that has shown up in a part of Madagascar can kill people and even cows. It’s not true, but the imported amphibians could mean big trouble for what’s left of the island’s unique plants and animals.