全部

1·This list includes everything from the timber wolf to the whooping crane.

这个名单包括了从大灰狼到美洲鹤的所有物种。

2·I see a whooping crane flying by me.

我看见一只北美鹤在我身边飞翔。

3·Known in Japan as tancho (red peak), the red-crowned is the second rarest crane species, after the whooping crane, with a world population of fewer than 2, 500 birds.

丹顶鹤是世上第二罕见的鹤，仅次于美洲鹤，目前全球幸存数量低于2500只。

4·Known in Japan as tancho (red peak), the red-crowned is the second rarest crane species, after the whooping crane, with a world population of fewer than 2,500 birds.

丹顶鹤是世上第二罕见的鹤，仅次于美洲鹤，目前全球幸存数量低于2500只。