Butterfly Folds Wings to Say 'Back Off, Boys'

"When a female copper butterfly folds her wings, it sends the same message to males of her species that a wedding ring on a woman's finger says to males of our species: “Move on, fellas. I'm not interested.”

A pregnant female copper butterfly, Lycaena phlaeas daimio, will fold up her wings when males pass by, if she wants to avoid amorous attention. This makes evolutionary sense, since both the butterflies only mate once in their lives."
via Discovery News /read more