Antarctic & Southern Ocean Nature & Wildlife

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davewalsh_animal_behav_mammal_hourglass_dolphins.jpg
Two Hourglass dolphins breaching, Southern Ocean, 27/02/2006. Lagenorynchus cruciger. Rarely seen and little known, these are the only cetaceans to be taxonomically described from eyewitness accounts alone. Only six complete and 14 partial specimans have been examined by scientists - to see them from the Greenpeace ship Esperanza was a rare treat....