The 50-pound penguin at Australia's Sea Life Melbourne Aquarium is now roughly 9 months old and losing his downy fluff in favor of adult plumage. (Credit: Sea Life Melbourne Aquarium) Explore ...

Pesto is growing his adult plumage. These new black, white, and yellow feathers are pushing out his old downy juvenile ...

Viral sensation Pesto the penguin is showing off a new look these days as he starts molting his baby feathers.

The viral fluffy penguin is molting his baby feathers - The fluffy chick’s chunky form is slimming down as he starts to ...

An emperor penguin is in recovery after swimming from Antarctica to Australia — a journey of over 2,000 miles. The bird was ...

Pesto, the viral King Penguin at Melbourne's Sea Life aquarium, is growing up. He is losing his fluffy appearance in a ...

After reaching stardom in September, the king penguin chick is beginning to shed his brown feathers in exchange for new waterproof ones as he transitions into adulthood. Pesto, who lives at the Sea ...

Pesto the massive king penguin chick has begun his molting process, losing the fluffy brown feathers which defined his look ...

Pesto the King Penguin chick has begun molting his fluffy baby feathers at SEA Life Melbourne Aquarium after winning hearts ...

Pesto the penguin, who lives at the Sea Life Aquarium in Melbourne, Australia, became a viral sensation for his ginormous ...