The Ancient Antwren (Herpsilochmus gentryi) is a species of bird in the Thamnophilidae family. It is found in Ecuador and Peru. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.
BirdLife International 2004. Herpsilochmus gentryi. 2006 IUCN Red List of Threatened Species. Downloaded on 26 July 2007.