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biogeography of bottlenosed dolphins
Pages 7 (1757 words)
BIOGEOGRAPHY OF BOTTLENOSE DOLPHINS Author TABLE OF CONTENTS INTRODUCTION 4 BIOGEOGRAPHY 5 EVOLUTIONARY HISTORY 7 CONSERVATION/ENVIRONMENTAL ISSUES 9 REFERENCES 11 Abstract Bottlenose dolphin or Tursiops truncatus is a marine mammal inhabiting both coastal and inshore areas of the oceans worldwide except the Polar Regions.
The large brain size and the vocal learning on one hand are the cause of the organism being a major attraction and a source of amusement, and on the other hand render it vulnerable to noise and chemical pollution resulting from anthropogenic activity. The conservation strategies directed at habitat preservation of the organism are recommended. BIOGEOGRAPHY OF BOTTLENOSE DOLPHINS INTRODUCTION Bottlenose dolphins belong to the order Cetacea, the term derived from Greek word ketos meaning whale. The order includes large aquatic mammals with forelimbs modified into flippers, a horizontally flattened tail, lacking hind limbs and with one or two nostrils. The order includes the suborders Odontoceti (toothed whales) and Mysticeti (baleen whales). Most Dolphins are included in the family Delphinidae, belonging to suborder Odontoceti, including the bottlenose Dolphin or genus Tursiops. The genera Tursiops (derived from Latin word Tursio meaning Dolphin or Dolphin like), has been further classified to include two species on the basis of biochemical and genetic studies: common bottlenose dolphin or T. truncatus and the Indopacific bottlenose dolphin or T. aduncus (Rice, 18). ...
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