Frogs come in colours and shapes that seem invented rather than evolved. Some are no bigger than a fingernail, others are brilliantly poisonous, and a few are nearly transparent. We gathered ten of the coolest frogs in the world. 1. Pacman Frog (Ceratophrys) – Pacman frogs or South American Horned Frogs are a family of 8 species of frogs...
