The Frog with Self-Cleaning Feet

Wild animals do the most extraordinary things. Some are exceptionally bright, use tools and solve complex problems. Others are devious: they cheat, steal and run protection rackets. There are animals with enormous appetites and those that self-medicate.Then we come across the extreme travellers: the highest flyers, the deepest divers and the fastest runners. But which animal is the most venomous, and which the most dangerous? Which has the loudest voice, the longest tongue, the biggest eyes or t