know your pinnipeds!

Question 1

phocidae are AKA

Answer 1

true seals/earless seals

Question 2

anatomy of Phocidae

Answer 2

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

Question 3

behavior of Phocidae

Answer 3

-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

Question 4

how many species of Phocidae are there?

Answer 4

18 species

Question 5

Otariidae are AKA

Answer 5

eared seals (fur seals and sea lions)

Question 6

anatomy of Otariidae

Answer 6

-external ear flaps
-large front flippers

Question 7

behavior of Otariidae

Answer 7

-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

Question 8

how many species of Otariidae

Answer 8

9 fur seal species and 6 sea lion species

Question 9

Odobenidae AKA

Answer 9

walrus

Question 10

anatomy of Odobenidae

Answer 10

-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

Question 11

behavior of Odobenidae

Answer 11

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

Question 12

behavior of Odobenidae

Answer 12

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

Question 13

species of Odobenidae

Answer 13

1 species with 2 subspecies (Atlantic and pacific)