We have not been able to source the color photographs of the frog. However, a similar black-and-white image of a toad with eyes on the inside of its mouth, the result of a macromutation, is authentic.

Imagine that you’re a beautiful princess, kissing frogs in search of the one that will turn into a handsome prince. “You have to kiss a lot of frogs to find your prince,” they say. When you think ...