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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Seals, Sea Lions, and WalrusMembers of the order Pinnipedia are nearly exclusively marinePinnipeds include:SealsSea lions and fur sealsWalrusesSeals, 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 Sea lions and fur seals vs. SealsSea lions and fur seals (Otariidae)Seals (Phocidae)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 FoundationSea 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 flippersSeals Found in Long Island watersHarbor SealHarp SealGray SealHooded SealRinged SealAll photographs are property of the Riverhead FoundationSea 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.htmlXWalrusWalrus (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 clamstooth walk for observing walrus pulling themselves out of water with tusks*

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