These animals live exclusively in the Southern Hemisphere. All 17 species. The giant among all penguins is the Imperial one. Its height is up to 120 cm. And the weight can exceed 27 kg. And also it never unlike other penguin species does not knock nests. This species lays an egg in its poplar bag, because the female lays only one egg. Also, the emperor penguins can steal someone else's baby if they have died. This is called kidnapping. The lowest of them is small, or blue penguin. Its normal size is about 33 cm. The specific color of the penguins helps them to blend in with their environment. The white belly helps to become the same color as the water surface, and the black back of the birds merge with the depths of sea water. The fastest pilaf is the sub-Antarctic penguin, which can reach speeds of up to 36 km/h underwater. Although all penguins swim well, none of them can fly. Penguins differ from other birds in the way of moulting. These birds drop feathers on a large scale, which m