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

但是我要找的不是南美三趾驼鸟。

These different lineages-the ostriches, the rheas, the elephant birds-split roughly when Gondwana did. That was the idea.

这些不同的谱系——鸵鸟、美洲鸵、象鸟——在冈瓦纳大陆分裂时大致分开了。这是以前的观点。

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

严重濒临灭绝的智利马驼鹿、越来越少的美洲驼，以及需要援助的美洲狮和狐狸。

Lichtman: These different lineage s—the ostriches, the rheas, the elephant birds—split roughly when Gondwana did.

Lichtman：这些不同的谱系——鸵鸟、美洲鸵、象鸟——在冈瓦纳古文明时期大致分裂了。

It was known elephant birds were ratites-an ancient group of mostly big, flightless birds, including emus and cassowaries from Australia, ostriches from Africa, rheas from South America and others.

众所周知，象鸟属于平胸类鸟群，一种古老的无飞行能力的大型鸟，这类鸟包括澳大利亚的鸸鹋、鹤鸵，非洲的鸵鸟，南美的美洲鸵等。