User:RAM PRAVESH KUMAR/sandbox

The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water and 73,560,000 km² in area, of the global oceans on the Earth's surface. .Marine mammals, which include seals, whales, dolphins, and walruses, form a diverse group of 128 species that rely on the ocean for their existence. .Out of 128 species ,fourth of these may be found in India and adjacent countries.One species belonging to the order Sirenia, namely the dugong, and 30 species of cetaceans, including dolphins, whales and porpoises, are found in the waters of the Indian subcontinent.Marine Mammals of the Indian Ocean form a large group of animals including whales, dolphins, seals and the dugong, also known as the sea cow .In size they range from the relatively small Finless Porpoise to the largest animal ever to have lived on Earth, the Blue Whale.

Taxonomy

 * Order Cetacea
 * Suborder Mysticeti (baleen whales)
 * Family Balaenopteridae (rorquals)
 * Minke Whale Balaenoptera acutorostrata
 * Bryde's Whale Balaenoptera edeni
 * Sei Whale Balaenoptera borealis
 * Fin Whale Balaenoptera physalus
 * Blue Whale Balaenoptera musculus
 * Humpback Whale Megaptera novaeangliae
 * Suborder Odontoceti (toothed whales)
 * Family Physeteridae (sperm whale)
 * Sperm WhalePhyseter macrocephalus
 * Pygmy Sperm Whale Kogia breviceps
 * Dwarf Sperm Whale Kogia simus
 * Family Ziphiidae (beaked whales)
 * Ginkgo-toothed beaked whale Mesoplodon ginkgodens
 * Longman's Beaked Whale Mesoplodon pacificus
 * Blainville's Beaked Whale Mesoplodon densirostris
 * Cuvier's Beaked Whale Ziphius cavirostris
 * Southern Bottlenose Whale Hyperoodon planifrons
 * Family Delphinidae (oceanic dolphins)
 * Rough-Toothed Dolphin Steno bredanensis
 * Chinese white dolphin, Pacific humpback dolphin or Indo-Pacific humpback dolphin Sousa chinensis
 * Striped Dolphin Stenella coeruleoalba
 * Spotted Dolphin Stenella attenuata
 * Long-Snouted Spinner Dolphin ,also known as Spinner dolphin Stenella longirostris
 * Common Dolphin Delphinus delphis
 * Bottlenose Dolphin Tursiops truncatus
 * Fraser's Dolphin Lagenodelphis hosei
 * Melon-Headed Whale Peponocephala electra
 * Irrawaddy Dolphin Orcaella brevirostris
 * False Killer Whale Pseudorca crassidens
 * Killer Whale Orcinus orca
 * Risso's Dolphin Grampus griseus
 * Short-Finned Pilot Whale Globicephala macrorhynchus
 * Pygmy Killer Whale Feresa attenuata
 * Family Phocoenidae (porpoises)
 * Finless Porpoise Neophocaena phocaenoides
 * Order Sirenia (sea cows)
 * Family Dugongidae (dugongs)
 * Dugong Dugong dugong

Contour Extraction
Vectors representing the time-evolution of the fundamental  frequency of  marine mammal calls referred to as contours

Feature Extraction

 * [different feature extraction methodologies]

Classification

 * [types of classiﬁer]