Gray's beaked whale (Mesoplodon grayi), sometimes known as Haast's beaked whale, the scamperdown whale, or the southern beaked whale, is one of the better-known members of the genus Mesoplodon. This species is fairly gregarious and strands relatively frequently for a beaked whale.

Gray's beaked whale (Mesoplodon grayi), sometimes known as Haast's beaked whale, the Scamperdown whale, or the southern beaked whale, is one of the better-known members of the genus Mesoplodon. This species is fairly gregarious and strands relatively frequently for a beaked whale. It is notable for being the only beaked whale, other than Shepherd's beaked whale (not a mesoplodont), that has upper teeth. In the Māori language, this species is called (Source: Wikipedia, '', http://en.wikipedia.org/wiki/Gray's_beaked_whale, CC BY-SA 3.0. Photo: (c) Avenue, some rights reserved (CC BY-SA))