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. That’s enormous ...

Melbourne’s 50-pound celebrity chick is molting, revealing adult feathers beneath his iconic brown fluff. Here’s what to expect as he waddles into adulthood. Pesto the king penguin was born in January ...

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 ...

Studies on how visitors affect penguins in human care report a mixture of negative, neutral, and positive impacts on behavior and physiology. Swimming is a highly motivated behavior that may promote ...