Bok
07-22-2013, 08:46 PM
The marine mammals respond only to their own handles
More... (http://www.sciencenews.org/view/generic/id/351785/title/News_in_Brief_Dolphins_name_themselves_with_a_whistle)
More... (http://www.sciencenews.org/view/generic/id/351785/title/News_in_Brief_Dolphins_name_themselves_with_a_whistle)