Evolution hasn’t only gifted peacock spiders with spectacular markings – these nimble arachnids are also remarkable athletes.

The male peacock jumping spider must dance for his life. In order to woo a female and avoid being eaten, he performs an intricate dance using a brilliantly colored fan attached to his abdomen.

Among the birds of the world, it is usually the males who have the brightest feathers and the females who are the most drab, ...

Measuring no bigger than 0.2 inches (0.5 centimeters), the sparklemuffin peacock spider is, arguably, one of the cutest spiders around. These jumping spiders were discovered as a new species in 2015.

Tale of the Peacock: At a singles cocktail party, the ending is often predictable. A female may choose a male from several because he is attractive.

All those colorful feathers make it pretty easy to tell a male peacock from a female peahen, and we know that only male lions have manes – well, usually, anyway. But sexual dimorphism is more ...