The Frog that Turns Blue

The moor frog (Rana arvalis) looks like most other frogs, froggy and mostly brown, except during the spring mating season. That’s when the males turn an attractive shade of blue! They emerge from hibernation looking for a female to mate with, and how can she resist that blue frog body? But that’s not the real reason for the blue color. It just makes it a lot easier for the frogs to tell male from female during the time it really counts. Read more about the moor frog and see plenty of picture at The Ark in Space. -via the Presurfer

(Image credit: Christian Fischer)