know your pinnipeds! Flashcards

1
Q

phocidae are AKA

A

true seals/earless seals

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2
Q

anatomy of Phocidae

A

-has hear holes but no external ear
-small front flippers

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3
Q

behavior of Phocidae

A

-moves like an inchworm on land by belly flopping
-moves near flippers back and forth like a fish while swimming
-less vocal
-many species are more solitary

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4
Q

how many species of Phocidae are there?

A

18 species

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5
Q

Otariidae are AKA

A

eared seals (fur seals and sea lions)

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6
Q

anatomy of Otariidae

A

-external ear flaps
-large front flippers

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7
Q

behavior of Otariidae

A

-can walk on land due to rotating pelvic bone
-uses front flippers to swim, flapping them like a bird
-very vocal
-social and gather in groups

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8
Q

how many species of Otariidae

A

9 fur seal species and 6 sea lion species

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9
Q

Odobenidae AKA

A

walrus

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10
Q

anatomy of Odobenidae

A

-ear holes but no external ear
-short square front flippers that are quite wide
-male and females have tusks
-neck sacs inflate like a life jacket

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11
Q

behavior of Odobenidae

A

-uses strong flippers to pull itself forward on land
-mouth works like a vacuum, ideal for sucking up shellfish on ocean floor

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12
Q

behavior of Odobenidae

A

-uses strong flippers to pull itself forward on land
-both male

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13
Q

species of Odobenidae

A

1 species with 2 subspecies (Atlantic and pacific)

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