King penguin is the tallest and heaviest of all penguins and endemic species that live in the Antarctic. Both male and female species are similar in size and color of the feathers. They are tall 120 cm and weigh 22-45 pounds. The back and head are colored black, stomach is white with sharp yellow line, and ears are pale yellowish. Like all penguins, king penguin can not fly, so it is suited to the marine way of life.