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]