Macaronis and Royals are the largest of the crested penguins and both have orange, yellow, and black crests that join on the top of the head. The Royals usually have white chins while Macaroni penguins have black chins. Chicks have gray black backs and white fronts. Chinstrap penguins are white on the front and throat, but have a black back. Chinstraps are easily distinguished by the thin black stripe across the bottom of the throat - the infamous chinstrap.
Chicks have gray backs and white fronts.
There are a variety of seals that live in the Antarctic. They live mostly in water. They nest on the coasts or on nearby islands. The largest seal in the world is the Elephant seal. This seal feeds on squid and other fish.