n. Any of various drab-colored South American birds of the family Thamnophilidae that feed on ants.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. any of various dull-colored South American birds that feeding on ants some following army ant swarms
Word Usage
"The seasonal deciduous forest is a well-known center of endemism for birds, harboring two very specialized species of antbirds (slender antbird Rhophornis ardesiaca and narrow-billed antbird Formicivora iheringi)."