great-winged petrel
/ˌɡreɪtwɪŋd ˈpɛtr(ə)l/noun
A large petrel with dark brown plumage, Pterodroma macroptera (family Procellariidae), of the southern hemisphere; in N.Z. also called mutton-bird.
Origin
Mid 19th century; earliest use found in John Gould (1804–1881), ornithologist and publisher. From great-winged + petrel.