Sea lions have a pelvic girdle through which they can move with more ease on land. The pelvic girdle helps them in rotating flippers located under their body which makes them walk like other animals.

The pelvic limbs of the California sea lion show peculiar morphological adaptations, which enable rapid turns when swimming, but also allow weight bearing when walking on land. 1-3 Specifically, the California sea lion is able to rotate the lower leg and foot, despite the fact that the pelvic limb is encased by the body wall to the level of the tarsus.