Spotted hyena clans flip the script on mammalian power: here, dominance is inherited, alliances matter most and females rule every level of society.

Not all fish play by the same reproductive rules. Evolutionary biology reveals how deception became a successful mating ...

It’s important to remember that we humans are simply animals. A very advanced species, but members of the animal kingdom nonetheless. We all need water, food, and shelter to survive, but we also share ...

The bright colors of butterfly wings, the sweet aromas of flowers, and the euphonious melodies of songbirds all evolved as ...

Citizen scientists listened to pairs of mating sounds from 16 different species, including male zebra finches, and selected ...

Photograph of three male zebra finches (Taeniopygia castanotis), whose mating calls were used as part of the study. Credit: Raina Fan. The bright colors of butterfly wings, the sweet aromas of flowers ...

A pair of bald eagles nesting in a Southern California pine tree has amassed a following that rivals mid-tier cable programming. Jackie and Shadow, as they're known, draw tens of thousands of ...

Salganea taiwanensis, a kind of wood-feeding cockroach, may engage in what's known as pair bonding, a new study finds.