コブハクジラ
Cetacean Specialist Group (1996). Mesoplodon densirostris 2006 IUCN Red List of Threatened Species. IUCN 2006.
Encyclopedia of Marine Mammals, William F. Perrin, Bernd Wursig and J. G. M. Thewissen Eds., Academic Press (2002). ISBN 0-12-551340-2
Randall R. Reeves, Brent S. Steward, Phillip J. Clapham and James A. Owell, Sea Mammals of the World, A & C Black, London (2002). ISBN 0-7136-6334-0.
Colin D.