Many animals engage in elaborate mating rituals. For flight-ready birds, these often involve complex dance moves and peacock-like displays of grandeur. For their land-bound cousins, like the Adélie ...

This claim is true: The first report of such behavior among Adélie penguins was published in 1998 in The Auk, a peer-review journal since renamed Ornithology: Adélie Penguins are monogamous and breed ...

Adélie penguins may look like a bunch of bumbling cartoon characters, but they live under rules stricter than a gated community with too much free time and a neighborhood watch on steroids. There’s no ...

The practice has been observed among Adélie penguins. For years, people have claimed that penguins trade sex acts for pebbles they use to build their nests: This rumor has spread online since at least ...