Measuring no bigger than 0.2 inches (2.5 centimeters), the sparklemuffin peacock spider is, arguably, one of the cutest ...

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 ...