?? “??”50??????????????
![](https://image.chezhanri.com/2019/0226/20190226120556307.jpg)
????:1?????????:???????150????
2????????????
3?????????
4?????????
5??????????
??,???,????????????3???????????????????????????????,?????????“??”50????“???????”?
?????????????,??3700???????,???????2300?????,??????????????????????1800?,??????????1978???????????????,?????1965?????????,??“??????”50????????????????????2019????????(IUCN)???????????,??????????????????(CR)?????????????
????????????,???????????,????????????????3??????????????,3??“??”50????????
?????????????????????????,?????????????,?,????50???????????????,???????50????,???50???????????????????????,???????,???,?????????????????????????????????????,??,??????????????????????????????,???????????? (??????? ?????? ???????????? ???? ?????????)
??????????????????:???