Seals, Sea Lions, and Walrus

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Seals, Sea Lions, and Walrus. Members of the order Pinnipedia are nearly exclusively marine Pinnipeds include: Seals Sea lions and fur seals Walruses. Seals, Sea Lions, and Walrus. - PowerPoint PPT Presentation

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<ul><li><p>Seals, Sea Lions, and WalrusMembers of the order Pinnipedia are nearly exclusively marinePinnipeds include:SealsSea lions and fur sealsWalruses</p></li><li><p>Seals, Sea Lions, and WalrusPinnipeds (fin-footed) evolved from a terrestrial carnivore They are predators, feeding mainly on fish and squidStreamlined bodies for swimmingThick layer of fat, or blubber for insulation, food reserves, and buoyancy </p></li><li><p>Sea lions and fur seals vs. SealsSea lions and fur seals (Otariidae)Seals (Phocidae)</p></li><li><p>SealsSeals (earless pinnipeds; family Phocidae) have 19 representative speciesRear flippers cannot be moved forwardNo external ear flapClaws (and fur) on flippersShort, robust neckPhotograph is property of the Riverhead Foundation</p></li><li><p>Sea lions and fur sealsSea lions and fur seals (eared pinnipeds; family Otariidae) have 15 representative speciesRotatable hind flippersExternal ear flapLong, flexible neckNo fur or claws on flippers</p></li><li><p>Seals Found in Long Island watersHarbor SealHarp SealGray SealHooded SealRinged SealAll photographs are property of the Riverhead Foundation</p></li><li><p>Sea Lions found in Long Island watersThere are NO sea lions in the Atlantic Ocean, and therefore no sea lions on Long Island (except at local aquariums)http://www.atlantismarineworld.com/exhibit-outdoor-sealion.htmlX</p></li><li><p>WalrusWalrus (family Odobenidae) are large pinnipeds with a distinctive pair of tusksBoth male and female have tusks; can reach 1 meter in length!Used for defense, and anchoring onto iceStrictly Arctic!Benthic-feeder; feeds primarily on clams</p><p>tooth walk for observing walrus pulling themselves out of water with tusks*</p></li></ul>