Until 2011, scientists only knew about seven species of peacock spiders in the genus Maratus. However, thanks to better cameras that could zoom in on incredibly tiny objects, incredibly detailed ...

Looks are certainly important for the peacock, with his absurdly bright, burdensome train that he shows off to attract a female. Peahens often choose males for the quality of their trains -- the ...

There are more than 400 different species of mantis shrimp. Peacock mantis shrimp—also called harlequin or painted mantis shrimp—are arguably the best-known of the family. These critters get ...