A penguin’s cute exterior is equally matched to its friendly disposition. As a species, penguins are rarely aggressive and lean more curious. Around humans, a penguin can be observant, unbothered, and ...

These playful birds with different personalities cleverly steal stones from others' nests, carefully assessing a situation and adjusting their behavior accordingly.

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 ...