Macaroni penguins are sometimes confused with Royal penguins. Both of them are large crested penguins and have orange yellow and black crests on the top of their heads. Macaroni penguins have black chins. Usually penguins weigh 4 to 5.5 kilograms.
Males are usually larger than females.
Usually Large populations can be found on South Georgia, Crozet Island,Kerguelen Island, Heard Island and McDonald Island. The nest of the Macaroni penguins nest is made of mud, pebbles, grass, and seaweed. The penguin has two eggs while taking care of one. The parents take care of the baby penguins by long shifts. The baby penguins usually hatch between 33 and 37 days.