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					 			      	How the Current Mass Extinction of Animals Threatens Humans
					 			      	 
 We seem indifferent to the mass extinction we're causing, yet we lose a part of ourselves when another animal dies out. http://news.nationalgeographic.com/news/2014/08/140820-extinction-crows-penguins-dinosaurs-asteroid-sydney-booktalk/
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					 			      	The Big Five Extinctions -Cosmos Magazine
					 			      	 
 Biologists suspect we're living through the sixth major mass extinction. Earth has witnessed five, when more than 75% of species disappeared. Palaeontologists spot them when species go missing from the global fossil record, including the iconic specimens shown here. https://cosmosmagazine.com/earth-sciences/big-five-extinctions
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					 			      	BBC Nature - Big Five mass extinction events
					 			      	 
 Things aren't looking good for reptiles and amphibians lately, especially frogs. John Alroy at Macquarie University in Australia published a study last month examining recent extinctions for the two groups of animals, and the results are alarming. http://www.bbc.co.uk/nature/extinction_events
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					 			      	Mass Extinction Facts, Information, Pictures -Encyclopedia
					 			      	 
 Get information, facts, and pictures about mass extinction. Make research projects and school reports about  mass extinction easy with credible articles from our FREE, online encyclopedia and dictionary. http://www.encyclopedia.com/topic/mass_extinction.aspx
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					 			      	Permian Extinction Article, Mass Extinction Information, Park Tourism Facts -National Geographic
					 			      	 
 Read a National Geographic magazine article about the mass extinction at the end of the Permian period and get information, facts, and more about the Permian and mass extinctions. http://science.nationalgeographic.com/science/prehistoric-world/permian-extinction
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					 			      	Frogs Are on the Verge of Mass Extinction
					 			      	 
 Things aren't looking good for reptiles and amphibians lately, especially frogs. John Alroy at Macquarie University in Australia published a study last month examining recent extinctions for the two groups of animals, and the results are alarming https://ecowatch.com/2015/10/07/frog-mass-extinction/
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					 			      	Earth is on Brink of a Sixth Mass Extinction, Scientists Say, and it's Humans Fault -The Washington Post
					 			      	 
 The planet is losing species faster than it ever has before. http://www.washingtonpost.com/news/morning-mix/wp/2015/06/22/the-earth-is-on-the-brink-of-a-sixth-mass-extinction-scientists-say-and-its-humans-fault
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					 			      	Mass Extinction, Mass Die-Off Information, Prehistoric Facts - National Geographic
					 			      	 
 Learn about prehistoric mass extinctions and animal die-offs and get information, facts, and more about dinosaur extinctions from National Geographic. http://science.nationalgeographic.com/science/prehistoric-world/mass-extinction
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					 			      	Extinction Event - Wikipedia, the Free Encyclopedia
					 			      	 
 Wikipedia's information about extinction events. https://en.wikipedia.org/wiki/Extinction_event