At Present a two thousand species are at most extinct because we hunt them or damage their environment. For example the giant panda is one of the rarest species in the world. There are about 300 species. Now the chinese protects the panda, so it should survive. Another animal in danger is a blue whale. Whales are mammals, not fish. They can weight over 125 tonnes. Whale are in great danger because hunters kill them. Modern ships and machines have made it easy to hunt these animals. Some countries have agreed to protect the whales.