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 the Australian penguin is molting his famous fluffy feathers - The fluffy chick’s chunky form is slimming down as he ...

“As Pesto sheds his juvenile feathers and develops his sleek, waterproof adult plumage, he’s beginning to look more like an ...

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

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

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

A “chonky” baby penguin named Pesto has helped Melbourne’s Sea Life Aquarium become one of the fastest-growing Australian ...

Do you remember Pesto the king penguin chick who reached stardom in September? Zookeepers say he is now entering his "awkward teenage phase".

A “chonky” baby penguin named Pesto has helped Melbourne’s Sea Life Aquarium become one of the fastest-growing Australian ...

Pesto, the avian answer to the viral hippo Moo Deng, has started to molt. The chick, who lives at Australia’s SEA Life Melbourne Aquarium, has started to fledge. In a kind of bird puberty ...

Pesto, who lives at the Sea Life Melbourne Aquarium in Australia, is nearing the final stages of his first molt. It's a crucial phase in a king penguin's life because it signifies the start of ...