The NENE, also known as the Hawaiian Goose, is the state bird of Hawaii and is an endangered species. It is the world's rarest goose and is endemic to the Hawaiian Islands. The NENE is a medium-sized goose with a black head and neck, gray-brown back and wings, and white cheeks and underparts. It is the only species of goose native to Hawaii and is listed as endangered due to habitat destruction and predation by introduced species.