A Beautiful Collection Of Nature's Brilliant Blues

[jeevan]

17. There are species of poisonous blue frogs in existence, but others this common tree frog are mutant versions of their more widely known green brothers, with the unusual but beautiful coloring attributed to missing pigment in their skin.



18. Speaking of poisonous blue frogs, the most famous of all is the blue poison dart frog. In most cases, it is not beneficial for creatures to be blue, which probably explains why there aren't many blue animals. But if you have poisonous skin and want to warn off predators, then blue is a very handy color to be!