企鹅在海里“飞”很久以前,当企鹅还是会飞的鸟时,它们在水面捉鱼吃,后来,随着它们逐渐潜入海中寻找更多的磷虾、乌贼和沙丁鱼等食物,就演化成适合在海里“飞”的样子了。企鹅很胖企鹅与空中的飞鸟相比胖了许多。因为不必飞,又生活在南极,所以它们积蓄了许多脂肪以抵御寒冷。但这一点也不影响它们在水里的敏捷泳姿。 Penguins in the Sea Fly long ago, when penguins were still flying birds, they caught fish on the water and later evolved as they gradually dived into the sea to find more krill, squid and sardines Into the sea into a “fly” look. Penguin fat penguins are a lot fatter than the birds in the air. Because they do not have to fly and live in Antarctica, they have a lot of fat to save themselves from the cold. But this does not affect their agile swimming in the water.