Penguin: Penguin, known as the "boat of the sea", is one of the oldest muddy swimming birds. They probably settled in Antarctica before the earth put on ice armor. There are 18 species of penguins in the world, most of which are distributed in the southern hemisphere.
There are 18 species of independent penguins, the largest of which is the emperor penguin, with an average height of about 1. 1 m and a weight of over 35 kg. The smallest penguin species is Little Blue Penguin (also known as Fairy Penguin), which is 40cm high and weighs 1kg.