Keepers at Birdland Park and Gardens, England, renamed the prized female king penguin “Magnus” after DNA testing found that he was incorrectly sexed as female.

A female king penguin in Britain’s only breeding colony for the species is actually a male, keepers have discovered after eight years. The true sex of Maggie, now known as Magnus, was uncovered ...

On the heels of last week’s World Penguin Day, the Detroit Zoo is marking a milestone with the public debut of its newest king penguin chick, Atticus.

A huge king penguin chick named Pesto, who weighs as much as both his parents combined, has become a social media celebrity and a star attraction at an Australian aquarium.

A 10-year-old king penguin formerly named "Maggie" was renamed "Magnus" after zookeepers observed unexpected mating habits and sent feathers out for DNA testing, which revealed that she was male.

The viral baby penguin named Pesto is growing up! See the new pics of him shedding his brown feathers and growing his new, waterproof plumage.

Pesto the baby penguin is huge — both online and literally speaking. The nine-month-old king penguin, who lives at the Sea Life Melbourne Aquarium in Australia, weighs about 46 pounds.

Pesto the massive king penguin chick has begun his molting process, losing the fluffy brown feathers which defined his look adored the world over on social media.

Omaha can now get a look at the king penguin chicks that were born at the Henry Doorly Zoo and Aquarium in mid-March.

MELBOURNE, VIC — A huge king penguin chick named Pesto, who weighs as much as both his parents combined, has become a social media celebrity and a star attraction at an Australian aquarium.