Extended data
There are not many species of Antarctic penguins, but the number is considerable. According to long-term observation and estimation by ornithologists, there are nearly 65.438+0.2 billion penguins in the Antarctic region, accounting for 87% of the total number of penguins in the world and 90% of the total number of Antarctic seabirds. The largest number is Adele penguins, about 50 million, followed by crested penguins, about 3 million, and the least number is emperor penguins, about 570 thousand.
Reference Penguin (Animal Name) _ Baidu Encyclopedia?