While most animals reproduce sexually, some species rely solely on females for parthenogenetic reproduction. Even in these ...

Stick bugs are a fascinating insect variety. They have uniquely camouflaged bodies that make them fun models in science education. But their eating habits can devastate trees and damage forests.

Stick insects have some interesting defense mechanisms ... is the largest species of butterfly in the world. It exhibits a strong degree of sexual dimorphism, meaning that the sexes have radically ...