The drama of the animal kingdom is more thrilling than anything you'll find on primetime TV. PEOPLE has an exclusive clip from National Geographic's upcoming docuseries, Secrets of the Penguins.

Mothers — whether animal or human — are known to rise to extraordinary challenges when it comes to protecting their young. It's a truth that transcends species, landscapes, and even the vast divide ...

It appears that the fierce protective mother instinct transcends across species. Furthermore, it isn't always the biggest or toughest animals that are doing the fighting. Instead, sometimes it is the ...

The clip of the rockhopper mom facing off with a giant sea lion comes from National Geographic's upcoming docuseries, 'Secrets of the Penguins' Kelli Bender is the Pets Editor at PEOPLE. She has been ...