The Grey Catbird (Dumetella carolinensis) is a medium-sized northern American perching bird of the mimid family. It is the only member of New World catbird genus Dumetella. Like the Black Catbird, it is among the basal lineages of the Mimidae. Adults are dark gray with a slim, black bill and dark eyes. They have a long dark tail, dark legs and a dark cap; they are rust-colored underneath their tail.