When it comes to prehistoric behemoths, our first reaction is definitely dinosaurs. Although dinosaurs died out very early, their size and hunting ability are very huge, and they have an absolute position in the animal kingdom. Then you know that there were crocodiles in animals at the same time, but dinosaurs have long been extinct. Why can crocodiles survive until now?

Crocodile, one of the oldest living fossils, is actually called one of the oldest living fossils on earth, so it is also an endangered animal. Even the Chinese alligator is also called the Chinese alligator, and it is listed as a first-class protected animal in China. Many people may think that we can often see crocodiles in zoos. Why is it endangered? But because it is an endangered protected animal, crocodiles are bred for their number in zoos. Then when the dinosaurs went extinct, in fact, most of the animals on the earth were extinct, and only a small part could survive. Crocodile is one of them, so it was actually in the same era as dinosaur more than 200 million years ago. He can survive, and it must be because he has certain survival advantages and ability to adapt to the environment.

Adapted to the environment, but the crocodile can survive to this day, in fact, because it is an amphibian. Because in the dinosaur period, dinosaurs can be said to dominate the animal kingdom, its size is very large, and it has strong hunting ability, and its biting ability is also very strong, so in the animal kingdom, dinosaurs are actually an absolute hegemon. Therefore, compared with dinosaurs, crocodiles are also very small in size, and they belong to reptiles. There is no threat to dinosaurs, so crocodiles are still amphibians.

It can survive both in water and on land, which also brings great advantages for him to adapt to the environment. They can constantly adapt to the environment in the process of biological evolution, so it is also the reason why they can survive to this day.