A 10-year-old king penguin formerly named "Maggie" was renamed "Magnus" after zookeepers observed unexpected mating habits ...

King penguin chicks experience their first molt around 10 months old and the process can last up to six weeks, per the aquarium. Since molting requires baby chicks to use a lot of energy ...

Born in January weighing only 200g (7oz), the nine-month-old king penguin is now more ... It is normal for penguins to stack on some "healthy baby chub" after they hatch, the aquarium's Jacinta ...

Getty Two king penguins photographed in St. Andrew's Bay, Georgia. Related: Pesto the Baby Penguin Goes Viral as 9-Month-Old Eats 25 Fish a Day Never miss a story — sign up for PEOPLE's free ...

With the average king penguin weighing between 21 and 40 pounds, according to the (ASOC), Pesto is clearly on the higher end ...

When Pesto poked out of his shell in January, he weighed just 7 ounces but eventually reached 53 pounds, making him the largest penguin at Sea Life Melbourne Aquarium. The average king penguin weighs ...