For example, take the army ant, of which around 130 species have been identified in the Americas alone.

用军蚁来作个例子，光光在美国，已被确认了的军蚁种类就有约莫130种。

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Any of various dull-colored south american birds that feeding on ants some following army ant swarms.

南美洲各种以蚂蚁为食的深色鸟类，有一些跟着蚂蚁群。

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Any of various dull-colored south american birds that feeding on ants some following army ant swarms.

南美洲各种以蚂蚁为食的深色鸟类，有一些跟着蚂蚁群。

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