Anne Casselman

By Anne Casselman Some animals are blue to attract mates, to blend in, to announce a sex change, or simply because of a fluke of nature. No matter the reason, these cobalt creatures are hypnotizing to the extreme. (Also see “Photos: Hot-Pink Slug And 5 Other Rosy Animals.”) Blue-Footed Booby Some people may go blue...

By Anne Casselman Some animals are blue to attract mates, to blend in, to announce a sex change, or simply because of a fluke of nature. No matter the reason, these cobalt creatures are hypnotizing to the extreme. (Also see “Photos: Hot-Pink Slug And 5 Other Rosy Animals.”) Blue-Footed Booby Some people may go blue...