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

但我要找南美三趾驼鸟。

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

严重濒临灭绝马驼鹿、越来越少美洲驼，以及需要援助美洲狮和狐狸。