But it's not a rhea that I'm after.

但是我要找不是南美三趾驼鸟。

The huemul deer that is truly nearly extinct, the lesser rheas and building the puma and fox populations back up.

严重濒临灭绝智利马驼鹿、来美洲驼，以及需要援助美洲狮和狐狸。