These playful birds with different personalities cleverly steal stones from others' nests, carefully assessing a situation ...

New research reveals that Adelie penguin relationships are shaped by fierce competition over nesting stones. These rocks ...

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 ...

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 ...