a snake stalks a small bright-blue frog. The frog makes no attempt to hide and the predator makes no attempt to attack. The key to this bizarre standoff is color—this is a blue poison dart frog ...

With its bright blue body mottled with black, the cobalt poison dart frog is hailed as a “jewel of the rainforest” for its beauty. However, as its name suggests, such frogs in nature possess a ...