Orcinus orca‚ also known as Orcas or Killer whales‚ are the largest dolphins‚ and one of the world’s most powerful and intelligent predators. They are part of the family Delphindae and the order Cetacea. Male orcas grow to an average of 20-26 feet long‚ and weigh from 8‚000-12‚000 pounds. While females can grow to an average of 16-23 feet long‚ and weigh between 3‚00-6‚000 pounds. Presently‚ there are three recognized ecotypes of Orcas; these include the Resident‚ Transient‚ and offshore orcas.
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Why do whales beach themselves? By Anda November 8 2009 Environmental Science Instructor: Why do whales beach themselves? The Scientific American article “Why do whales beach themselves?” published on June 1‚ 2009‚ bring the polemic and controversial reasons about the phenomenon observed in the last years when more than Fifty-five false killer whales were stranded on a South African beach over the weekend. The scientists still do not fully understand why mass stranding happen‚ and if
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Have you ever seen a giant bus-sized whale covered in barnacles fly out of the water? Probably not. In the next few paragraphs you will learn about the Humpback Whale‚ everything from what it eats to what its threats are. Description The Humpback Whale is a blue-black whale with a pale or white underside. They are known for singing‚ to communicate and get mates. When they dive‚ they hunch‚ making a hump on their back. That’s how they got their name. They grow up to about 48-62 feet long and weigh
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Saving Tuxedos Killer whales do not belong in captivity because they are intelligent mammals created to live a free life unchallenged in the sea. A killer whales gift in this world is not to entertain crowds from the confines of a pool‚ but rather to help sustain and control the flourishing life across vast oceans‚ and the land. They are found in all the world’s oceans‚ before captivity‚ they were described as “blood-thirsty killing machines” (Kirby‚ 2012‚ p. 3). The killer whale plays a major role
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Phenomenon of Killer Whales in Captivity To what extent has placing orcas in captivity influenced their aggressive behavior in comparison to those in the wild? Session: May 2014 Session Number: 0006 Word Count: 3‚749 Subject: Environmental Systems and Societies Since the release of Gabriella Cowperthwaite’s documentary Blackfish‚ there has been much controversy about the issue of placing killer whales in captivity. Through
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their part of expense for utilizing the advantage are called ‘free riders’. This in the health care system can be briefly explained as uninsured people using the medicare even though they can afford to have insurance. Many people do not buy the medical insurance‚ although‚ they have funds to do so and later get access to free medical care when needed‚ thus‚ burdening the tax-payers. The Affordable Care Act (ACA)‚ penalizes the free riders by preventing the medical coverage subsidies to the irresponsible
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This year alone‚ Japan plans to kill 333 Minke Whales for “scientific research” and uses this reason to help deter outsiders from their commercial fishing mentions Melissa Chan in her article called Japan Sets Out to Kill Hundreds of Minke Whales Despite Global Opposition. Due to this recent announcement the global community has been in an uproar and demands an immediate halt to Japans whaling. This has been an on going issue for multiple years and has become such a problem that the International
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Killer whales in captivity should be let back into the wild‚ because the whales have echolocation‚ they are causing harm to the humans taking care of them‚ and they are spacing issues at the capturing centers. These are just some of the important reasons why killer whales in captivity should be released. Presently‚ echolocation is how orca’s find their food‚ and navigate through the ocean. The orca’s make a sound and the sounds are reflected of off different objects in the ocean‚ then the orca will
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The article written by Jaime Bolaños Jiménez and his support scientists called‚ “Distribution‚ feeding habitats and morphology of killer whales Orcinus orca in the Caribbean Sea” is about a study done evaluating 176 records of killer whales from the Caribbean. A majority of previous findings from other reports conclude that killer whales are found in all oceans of the world‚ but for the most part little is known about their geographical range‚ biology‚ abundance‚ and taxonomy‚ which makes the calculation
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English sec- 91 Killer Whales in the wild versus in captivity One may say that there are many benefits to whales being in captivity. But that to me is just not true. I think that they benefit more from being left in the wild. For example killer whales in the wild have what is called a family pod or unit that stay together their whole lives‚ but when they are caught and put into captivity they are separated from their family unit and put with other killer whales that come from different groups
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