"Effects of sonar on dolphins and whales" Essays and Research Papers

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    Dolphin Biography

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    Dolphins Surprisingly dolphins aren’t fish! A dolphin is a mammal. Like every mammal the dolphin is warm blooded‚ isn’t born in eggs‚ and breathes air. A dolphin usually breathes once or twice a minute. A dolphin can hold its breath no longer than seven minutes but only if it is an emergency. Dolphins do have a tiny bit of hair! The only place there is hair is right next to the blowhole. Dolphins have blubber instead of fur. Blubber gives a dolphin their streamline shape. Blubber also is a cover

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    whales

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    people think that orca whales should not be in captivity. But others think it is a good idea to have orcas in captivity so that people who can’t go out in see them in the wild can learn about them in theme parks or aquariums. In my opinion‚ I think it is a bad idea to have orca whales in captivity. For one thing the orca whales that are in captivity tend to have many problems. Also‚ many of the amusement parks like SeaWorld tell many of their employee’s lies about the whales. Last‚ the way the parks

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    Killer Whale

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    Killer Whale Introduction The killer whale (Orcinus orca)‚ also referred to as the orca whale or orca‚ and less commonly as the blackfish‚ is a toothed whale belonging to the oceanic dolphin family. Killer whales are found in all oceans‚ from the frigid Arctic and Antarctic regions to tropical seas. Killer whales as a species have a diverse diet‚ although individual populations often specialize in particular types of prey. Some feed exclusively on fish‚ while others hunt marine mammals such as sea

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    Bottlenose Dolphin

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    Dolphins are well-known‚ lovable‚ and incredibly intelligent creatures. One genus of dolphins‚ known as Tursiops or Bottlenose‚ are quite commonly known to the common person (Bottlenose). Bottlenose dolphins are known for their intelligence and popularity with children especially. Many people know what they are and are able to recognize them easily. Scientists have proven that they are incredibly intelligent and know a lot about various things that humans also know (Common). However‚ many people

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    if you are a whale in the ocean. The Blue Whale is the largest animal on Earth. The Cuvier’s Beaked Whale is known to dive three kilometers below sea level for two hours‚ while the Sperm Whale is known to be able to dive two kilometers below sea level for two hours. The Bowhead Whale lives the longest‚ with a minimum of 200 years without disease or sickness‚ the Beluga Whale lives about 40-60 years‚ the Blue Whale lives about 70-90 years‚ the Fin Whale lives about 60-100‚ the Grey Whale lives about

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    Save the Dolphins

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    Some 18-thousand dolphins’ porpoise are killed each year off Northern Japan. Permits to kill three thousand dolphins and small whales off the main island of Honshu are in effect. Most of the dolphins taken are slaughtered for meat. An increasing number are taken and shipped to oceanaria‚ mostly in Asia. The recent studies extremely high levels of contaminants such as mercury‚ cadmium and PCBs in dolphin meat has led some Japanese officials‚ concerned for the health of the citizenry‚ to an examination

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    Bottlenose Dolphin

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    Bottlenose dolphins‚ the genus Tursiops‚ are the most common and well-known members of the family Delphinidae‚ the family of oceanic dolphin.[1] Recent molecular studies show the genus contains two species‚ the common bottlenose dolphin (Tursiops truncatus) and the Indo-Pacific bottlenose dolphin (Tursiops aduncus)‚ instead of one. Research in 2011 revealed a third species‚ the Burrunan dolphin (Tursiops australis). They inhabit warm and temperate seas worldwide. Bottlenose dolphins live in groups

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    Dolphin Evolution

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    A Dolphin Organism Evolves Anthony Youmans BIO/101 Pamela Buckman April 13‚ 2013 Kingdom: Anamalia‚ Phylum: Cordata‚ Class: Mammalia‚ Order: Cetacea‚ Sub-order: Odontoceti‚ Family: Delphinidae‚ Genus: Delphinus‚ Species: Delphi’s‚ or better known as‚ Dolphin. Dolphins occupy all oceans and major seas‚ even some are in larger river systems. This paper will cover characteristics of a dolphin‚ the ancestry to the modern dolphin‚ and what adaptations the dolphin has gone through to be the survivor

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    Whales have been swimming in the Earth’s oceans for 20 million years; their haunting songs can travel underwater for thousands of miles‚ they are the largest animals to exist on Earth yet they survive on some of the smallest organisms. A whale’s heart can weigh up to 1‚300 pounds‚ and a baby whale can drink up to 130 gallons of its mother’s milk each day (Whale and Dolphin Conservation Society‚ 2010). Currently whale hunters claim that they are killing whales for scientific purposes; however‚ whale

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    Dolphin Assisted Therapy

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    Dolphin assisted therapy (DAT) is a highly controversial topic in the medical world. Is it medicine or simply recreation? Whatever you might believe‚ you cannot deny the fact that dolphins are loving and nurturing mammals with the ability to show compassion. Along with that ability for compassion‚ some may claim that there is actual science‚ which proves that interactions with dolphins have helped to treat many patients. Most of the patients in dolphin assisted therapy are children with autism‚ Down’s

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