Crocodile trivia: why should it eat stones?

Some people living in the crocodile-infested area occasionally find that the crocodile will have some very strange behavior,…
Crocodile trivia:When the crocodile eats the prey, it will shed tears.

Crocodile trivia:When the crocodile eats the prey, it will shed tears.

In fact, this is not a sentimental crocodile, but because the crocodile’s kidneys are not fully developed. To…