Why are crocodiles precious animals?

I think we should answer from four aspects. ...

1. Crocodile is an ancient creature with great research value. Through crocodiles, we can learn about animals that are extinct at the same time.

Crocodiles are endangered animals. They are few in number and protected by the state.

Crocodile skin is very precious. It is the raw material of high-grade leather products. Crocodile meat is also delicious. This is a delicious game.

4. Protect the ecological balance. The number of crocodiles has dropped sharply, which leads to the imbalance of biological chain and affects the ecological balance.

So crocodile is a precious animal.