Changes

::[[Walrus]], ''Odobenus rosmarus''

::[[Walrus]], ''Odobenus rosmarus''

* '''Otariidae'''; sea lions and fur seals, fifteen species.  Characterized by presence of ears and ability to move about on land fairly-well.

* '''Otariidae'''; sea lions and fur seals, fifteen species.  Characterized by presence of ears and ability to move about on land fairly-well, by moving the hind flippers from facing backward to facing forward. Generally use fur, rather than blubber, as a primary method of insulation. Swimming power comes mainly from the fore flippers.

::'''Genus ''Arctocephalus'''''

::'''Genus ''Arctocephalus'''''

:::[[Antarctic fur seal]], ''A. gazella''

:::[[Antarctic fur seal]], ''A. gazella''

:::[[Galápagos sea lion]], ''Z. wollebaeki''

:::[[Galápagos sea lion]], ''Z. wollebaeki''

*'''Phocidae'''; true seals, eighteen species.  Characterized by lack of external ears and a "caterpillar" method of moving about on land.  

*'''Phocidae'''; true seals, eighteen species.  Characterized by lack of external ears and a "caterpillar" method of moving about on land. Use blubber, rather than fur, as primary insulation. Swimming power comes mainly from the hind flippers.

::'''Subfamily Monachinae'''

::'''Subfamily Monachinae'''

:::Tribe Lobodontini

:::Tribe Lobodontini