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Gray's beaked whale : ウィキペディア英語版 | Gray's 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.〔 ==Taxonomy== The species was first described in 1876 by Julius von Haast, director of the Canterbury Museum, Christchurch, New Zealand. He named it after the British taxonomist John Edward Gray, a zoologist at the British Museum. His description was based on three skulls he had received in May 1875 from a William Hood, Esq., who had retrieved them from three specimens that were part of a group of 28 individuals that had stranded on Waitangi Beach, Chatham Island, in the summer of 1874-75.〔"On a New Ziphioid Whale. By Julius von Haast, Ph.D. F.R.S., Director of the Canterbury Museum, Christchurch, New Zealand. Communicated by Prof. W. H. Flower, F. R.S." ''Proceedings of the Zoological Society of London'' (January, 1876), pp. 7-13.〕
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