1 / 10

Seals, Sea Lions, Walruses

Seals, Sea Lions, Walruses. Means “fin-footed mammals” 3 families: Odobenidae Walruses! Otariidae The “eared seals” Sea lions Fur seals Phocidae True seal (earless seals). Introducing!. The Pinnipeds. Only lives in the Arctic! Characterized by being very bulky

yuri
Télécharger la présentation

Seals, Sea Lions, Walruses

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Seals, Sea Lions, Walruses

  2. Means “fin-footed mammals” • 3 families: • Odobenidae • Walruses! • Otariidae • The “eared seals” • Sea lions • Fur seals • Phocidae • True seal (earless seals) Introducing! The Pinnipeds

  3. Only lives in the Arctic! • Characterized by being very bulky • Has long tusks! (males) Odobenidae

  4. Lack external ears • Torpedo-like bodies • Better built for deep dives & long migrations • Not very social and live in smaller groups • Can’t walk on their front flippers like fur seals, walruses and sea lions! • Examples: harbor seals Phocidae

  5. Have external ear flaps • Very vocal and social • Better adapted for land movement • Larger flippers than Phocidae • Examples: Japanese Sea lion & Stellar Sea Lion; fur seals Otariidae

  6. Out of the water, seal hearing is almost as good as a human’s? • The smallest pinniped is the Galapagos fur seal • About 4.5’ – 5’ in length! • The largest pinniped is the male Elephant Seal • He can be up to 13’ long and near 8800 lbs!!! • A seal’s nose closes automatically when it enters the water? • It opens again when it resurfaces! • That seals use a type of sonar? • Their whiskers act like a type of radar, detecting movement in the water • They can even find food in the dark! • Only six of the seal species live in Antarctica, but they make up the majority of the seal population Did You Know…..?

  7. Antarctic Fur Seals • Crabeater Seals • Leopard Seals • Ross Seals • Elephant Seals • Weddell Seals Antarctic Seals(southern seals)

  8. Ross Seal Elephant Seals Leopard Seal Weddell Seal Crabeater Seal

  9. Sea Lions

More Related