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dolphin echolocation is the ability of dolphins to locate and identify important aspects of their environment, particularly conspecific or prey. It is based on the propagation of acoustic waves in the water, on the principle of active sonar...
creatures. Ever since the days of the first seafarers, they have been the subject of numerous works of art, literature, and myth. They are among the most intelligent of animals, as some species have brain-to-body mass ratios equal to that o...
illegal, but it still happens: commercial whalingDespite the moratorium on commercial whaling and declaration of virtually whole of Southern Ocean as the whale sanctuary, each year over 1,000 whales are killed for commercial market (William...
porpoises, and whales. They pertains to a suborder Odontoceti which encompasses a toothed whales, dophins and porpoises. They pertains to a family Delphinidae or a dolphins, and Whales are a biggest of a group. A genus is Orcinus and speci...
Pearl Harbor" has been one of the most famous place names in United States history. On Sunday, December 7, 1941, one of the most carefully planned and devastating military attacks ever made on a nation at peace occurred at Pearl Harbor, Oah...
Pearl Harbor!" Summary For more than sixty years now, "Pearl Harbor" has been one of the most famous place names in United States history. On Sunday, December 7, 1941, one of the most carefully planned and devastating military attacks ever ...
Pearl Harbor!" Summary For more than sixty years now, "Pearl Harbor" has been one of the most famous place names in United States history. On Sunday, December 7, 1941, one of the most carefully planned and devastating military attacks ever ...