Adélie penguins are about 27 inches tall and weigh from 8 to 12 pounds. An Adélie penguin has white rings around its eyes. The feathers at the bottom of its bill are white. read more
When swimming, an Adélie penguin can accelerate enough to leap as high as 3 m (9.8 ft.) out of the water onto an ice floe. Little penguins swim slower at about 2.5 kph (1.6 mph.) A penguin hunches its head into its shoulders to maintain its streamlined shape and reduce drag while swimming. read more