As thousands of army ants march through a rainforest in Panama looking for food, countless insects try to escape. Antbirds follow the ants, waiting for flying insects to leave their hiding spots so they can swoop down and catch them. About 300 species of animals, including 29 bird species, depend on army ants for their survival. It’s thought to be the largest association of animals tied to a single species in the world. Learn more at BirdNote.org.