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			          Pleistocene Megafauna - Wikipedia, the free encyclopedia
			           
			          Pleistocene megafauna is the set of large animals that lived on Earth during the Pleistocene epoch and went extinct during the Quaternary extinction event. Megafauna is a term used to describe an animal with an adult body weight of over 44 kg.
			            https://en.wikipedia.org/wiki/Pleistocene_megafauna
			         
			       
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			          Megafauna - Wikipedia, the free encyclopedia
			           
			          In terrestrial zoology, megafauna are large or giant animals. The most common thresholds used are 45 kilograms (100 lb) or 100 kilograms (220 lb).
			            https://en.wikipedia.org/wiki/Megafauna
			         
			       
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			          DNA Evidence Proves Climate Change Killed Off Prehistoric Megafauna
			           
			          Animals that couldn't adapt to rapid warming quickly succumbed.
			            http://theconversation.com/dna-evidence-proves-climate-change-killed-off-prehistoric-megafauna-45080
			         
			       
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			          Megafauna Extinctions - What (or Who) Killed All the Big Mammals?
			           
			          At the end of the last ice age (ca 15,000-10,000 years ago), 85 percent of the large mammals (called megafauna) went extinct.
			            http://archaeology.about.com/od/mterms/g/megaextinct.htm
			         
			       
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			          The Giant Mammals of the Cenozoic Era - About
			           
			          It seems that every animal on earth grew to giant sizes two, 20, or even 40 million years ago--witness the Giant Wombat, the Giant Beaver and the Giant Sloth, to name just three.
			            http://dinosaurs.about.com/od/otherprehistoriclife/a/giant-megafauna-mammals.htm
			         
			       
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			          NOVA - End of the Big Beasts
			           
			          Overhunting, climate change, disease, and now a comet. What did kill off the megafauna?
			            http://www.pbs.org/wgbh/nova/evolution/end-big-beasts.html
			         
			       
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			          Top 10 Megafauna - Prehistoric-Wildlife
			           
			          Facts and information about 10 of best known megafauna animals.
			            http://www.prehistoric-wildlife.com/top-tens/top-ten-iconic-pleistocene-megafauna.html
			         
			       
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			          Quaternary Extinction Event - Wikipedia, the free encyclopedia
			           
			          The Quaternary period saw the extinctions of numerous predominantly larger, especially megafaunal, species, many of which occurred during the transition from the Pleistocene to the Holocene epoch.
			            https://en.wikipedia.org/wiki/Quaternary_extinction_event
			         
			       
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			          10 Extinct Giants That Once Roamed North America
			           
			          Extinct giants, such as the American cheetah and ground sloth, lived in North America until they mysteriously died out about 10,000 years ago.
			            http://www.livescience.com/51793-extinct-ice-age-megafauna.html
			         
			       
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			          7 Extinct Megafauna That are Out of This World - MNN
			           
			          Let's focus on some of the most massive, crazy beasts around. Some come in familiar form but enormous size while others are strange hybrids.
			            http://www.mnn.com/earth-matters/animals/blogs/7-extinct-megafauna-that-are-out-of-this-world