Order Pinnipedia Seals and sea lions.

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Presentation transcript:

Order Pinnipedia Seals and sea lions

Classification Kingdom: Animalia Phylum Chordata Class Mammalia Subphylum Vertebrata Class Mammalia Order Pinnipedia Seals, sea lions, walruses

Classification (cont) 3 Families Phocidae - seals Otariidae – sea lions Odobenidae - walrus

Seals vs Sea Lions Seal Sea Lion -ear internal -ear external -short neck -long neck -waddles/bounces -walks

General Characteristics Large eyes Streamlined body 4 swimming flippers Most species maintain harem Sexually dimorphic

Pinnipeds Need to rest/breed on land Carnivores – eat mostly fish and squid Most temperate – polar waters Thick blubber

Stellar Sea Lion North Pacific Coasts Bulls establish territory rookeries

Is the Stellar sea lion a phocid, otarrid, or odobenid? [Default] [MC Any] [MC All]

Fur Seal Many species Hunted for fur Aggressive Smaller size Actually a sea lion

Which family do fur seals belong to? Phocidae Otarridae Odobenidae [Default] [MC Any] [MC All]

California Sea Lion Most common Extremely fast Carnivore – eats fish Maintains harem

Elephant Seal 2 species: Northern and Southern Sub polar and polar Males maintain harem Hunted for oil Largest species

Leopard Seal Antarctic Eat penguins, seals Known for spotted coat Large size – 15 ft

Which Family do leopard seals belong to? Phocidae Otarridae Odobenidae [Default] [MC Any] [MC All]

Weddell Seal Antarctic Carnivore – small fish/squid Use teeth to keep ice open Very vocal

Hawaiian Monk Seal Endangered! Warm water species Endemic to Hawaiian Islands Feed on small fish and invertebrates Travel out to sea for one month at a time

Walrus Arctic Whiskers used to feel for food in mud Use tusks to Eat bottom invertebrates Use tusks to open breathing holes Haul out of water Dominance fights

Which Family do walruses belong to? Phocidae Otarridae Odobenidae [Default] [MC Any] [MC All]