A female may choose a male from several because he is attractive ... Looks are certainly important for the peacock, with his absurdly bright, burdensome train that he shows off to attract a ...

Why does the peacock have such an elaborate tail? This cumbersome trait significantly decreases the male's chances of survival. It only exists because it confers an advantage to its bearer in the ...

Measuring no bigger than 0.2 inches (2.5 centimeters), the sparklemuffin peacock spider is, arguably, one of the cutest spiders around. These jumping spiders were discovered as a new species in 2015.