Cryptic, nocturnal, chanting. Common in summer in open forests of the East; winters in SE US to Central America. Repetitive song often heard between dusk and dawn. Stout, large-eyed, and mottled gray and brown, with black crown stripe. Rarely seen during the day, when they rest on the forest floor; sometimes seen flying at dawn or dusk to catch insects in their large mouths. Lays eggs on ground, which hatch synchronous to the full moon. Lifespan up to 4 years. Population ~ 2 million and declining, probably due to habitat loss.