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| | Cetacea - Facts, Information, and Encyclopedia Reference article |
 | | Cetaceans are nearly hairless, and are insulated by a thick layer of blubber. |
 | | There are many misconceptions about cetaceans (whales, dolphins and porpoises), the most common of which is the idea that cetaceans are fish. |
 | | This means that cetaceans with pointed 'beaks' (such as dolphins) have good binocular vision forward and downward, but others with blunt heads (such as the Sperm Whale) can see either side but not directly ahead or directly behind. |
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