Emperor penguin chicks in Antarctica (© Jan Vermeer/Minden Pictures)

【January 20 2015】Five to six months after they hatch, emperor penguin chicks will have molted to lose their fluffy chick down and begin to take on the more traditional “tuxedo” coat seen on adult penguins. Once fully grown, they’re the largest penguin species -- the tallest males can reach nearly 4 feet and weigh 80 pounds or more.Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..