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 ...

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 ...

“As Pesto sheds his juvenile feathers and develops his ... While king penguin chicks' brown feathers are insulating, they are not waterproof, which is where their adult plumage comes in handy.

Alex Frank / Sea Life Melbourne Aquarium “As Pesto sheds his juvenile feathers and ... While king penguin chicks' brown feathers are insulating, they are not waterproof, which is where their ...