Leopard selas move by waddling but not the way that you think, they do not move like a penguin. They use their tails but they mostly all slide on their stomach
about all the way to the moon
Leopard seals are known to swim at speeds of up to 25 miles per hour (40 km/h) in short bursts. They are one of the fastest marine mammals in the water.
to swim in the water
It has slippery skin which keeps the seal easier to swim through the cold water.
they can swim upside down in cold water to
Leopard seals are excellent swimmers, using both the front and hind flippers to swim. On land they move in much the same way as other seals. Their long front flippers have claws along the edge, which are used to to help pull their body weight on land, their rear flippers help push them along in a shuffle motion.
Quadrupède
The answer is no. thats all i can say.
Antarctica is a continent and seals are sea mammals that live in liquid water. Around Antarctica in the Southern Ocean, you can find Weddell Seals and Leopard Seals. These animals carry a layer of fat under their skin which preserves their internal body heat regardless of where they swim.
Seals have a thick layer of blubber, or fat, under the skin, which insulates them from the cold in the water and on ice or land.
The leopard Seal is endangered MAINLY because either the whales are eating them and also Humans are leaving rubbish in the sea where they swim.
They swim after it, as other seals do. They are highly maneuverable in the water.