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					 			      	Sperm Whale - Wikipedia, the free encyclopedia
					 			      	 
 The sperm whale, or cachalot, is the largest of the toothed whales and the largest toothed predator. https://en.wikipedia.org/wiki/Sperm_whale
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					 			      	Sperm Whales, Physeter macrocephalus - MarineBio
					 			      	 
 Find out what's known about Sperm Whales, Physeter macrocephalus, Mammalia, Cetartiodactyla, Physeteridae, including their world range and habitats, feeding behaviors, life history, ecology, reproduction, and conservation status. http://marinebio.org/species.asp?id=190
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					 			      	Sperm Whale  - Physeter macrocephalus - ARKive
					 			      	 
 Learn more about the Sperm whale - with amazing Sperm whale videos, photos and facts on ARKive http://www.arkive.org/sperm-whale/physeter-macrocephalus/
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					 			      	ADW: Sperm Whale - Physeter catodon
					 			      	 
 Above weights are given for mature male giant sperm whales. Females only weigh about 1/3 as much as males. http://animaldiversity.org/accounts/Physeter_catodon/
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					 			      	BBC Nature - Sperm Whale Videos, News and Facts
					 			      	 
 The mighty sperm whale is a multiple record-breaker. http://www.bbc.co.uk/nature/life/Sperm_whale
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					 			      	Sperm Whale (Physeter Macrocephalus) - A-Z Animals
					 			      	 
 The sperm whale is one of the world's water giants and is found in ocean waters worldwide. http://a-z-animals.com/animals/sperm-whale/
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					 			      	Sperm Whale - Mammal - Britannica
					 			      	 
 Sperm whale (Physeter catodon), also called cachalot,  the largest of the toothed whales, easily recognized by its enormous square head and narrow lower jaw. http://www.britannica.com/animal/sperm-whale
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					 			      	Sperm Whaling - Wikipedia, the free encyclopedia
					 			      	 
 Sperm whaling is the hunting of sperm whales for a substance called spermaceti which was used in cosmetics, leatherworking, and lubricants. https://en.wikipedia.org/wiki/Sperm_whaling
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					 			      	The Wonders of the Seas - Sperm Whales
					 			      	 
 Sperm whales are the largest toothed whales on the planet. http://www.oceanicresearch.org/education/wonders/spermwhales.htm
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					 			      	Physeter macrocephalus (Sperm Whale)
					 			      	 
 Find population statistics and information about Sperm Whales from IUCN Red List of Threatened Species. http://www.iucnredlist.org/details/41755/0
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					 			      	Description, Diet, and More of the Sperm Whale - NWF
					 			      	 
 A large male may grow to more than 60 feet, females up to about 40 feet. https://www.nwf.org/Wildlife/Wildlife-Library/Mammals/Sperm-Whale.aspx
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					 			      	Sperm Whale Pictures and Facts - National Geographic
					 			      	 
 Learn all you wanted to know about sperm whales with pictures, videos, photos, facts, and news from National Geographic. http://animals.nationalgeographic.com/animals/mammals/sperm-whale
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					 			      	Sperm Whale Facts - Whale Facts
					 			      	 
 The sperm whale is a large toothed whale that is part of the cetacean species. http://www.whalefacts.org/sperm-whale-facts/
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					 			      	Pygmy Sperm Whale Information - NOAA
					 			      	 
 Pygmy sperm whales are small members of the toothed whale group. http://www.nmfs.noaa.gov/pr/species/mammals/whales/pygmy-sperm-whale.html
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					 			      	Sperm Whale Classification and Distrobution - WDC
					 			      	 
 Physeter macrocephalus species guide, facts and images. The largest toothed whale in the world, the sperm whale was once hunted for its oil. http://us.whales.org/species-guide/sperm-whale