Now there are about 50000 chiru still left in the world .
现在世界上大约仅存5万只藏羚羊。
The chiru is in danger of extinction because people kill them and sell their fell .
人们捕杀藏羚羊,贩卖羊毛,导致藏羚羊濒临灭绝。
Every year many animals are killed . Today 's animals in danger include chiru , coral , elephants and many other animals . They will be introduced next week .