This genus includes the Kentucky Warbler, Connecticut Warbler, Mourning Warbler, and MacGillivray's Warbler.
Sites 2
- Connecticut Warbler (Oporornis agilis) Physical traits, migration status, nesting, and taxonomy. Includes a sound file.
- MacGillivrays Warbler (Oporornis tolmiei ) Includes information on this bird's nest location and type, breeding, and hybridization with the Mourning Warbler.