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。
2
The whole motley crew of ants, ant-birds and ant-bird-butterflies, and who knew what else, would roam across the jungle like a band of gypsies in cahoots.