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- Sea lions, fur seals, and walruses are able to rotate their rear flippers up and under their bodies so that they can waddle on all four flippers. This enables their agile movement and balance on land. Seals, however, cannot do this and instead shimmy on their bellies.
ocean.si.edu/ocean-life/marine-mammals/seals-sea-lions-and-walruses
Seals, walruses, whales, otters, and others rely on the back end of their bodies—their tail—to produce thrust. Instead, the sea lion tail is used like a rudder. By using their front flippers, sea lions are easily the fastest group of pinnipeds.
Feb 9, 2023 · There are over 30 various species of seals and sea lions living in the world’s oceans, all of which swim a great deal faster than the average human. Although they appear clumsy and awkward on land, in the water, the seal uses its torpedo-shaped body and fin-like feet to perform amazing feats of agility and predation.
- They have been around for a long time. Fossil records indicate that the ancestors of modern seals first entered the ocean on the west coast, about 28–30 million years ago.
- There are three different major types of pinnipeds. “Phocid seals” are also called “true seals” and include several species such as harbor seals and gray seals.
- They have whiskers they use like cats do. Seals and sea lions have many well-developed whiskers, much like cats. Like cats, they have a very acute sense of touch.
- They can go for long periods of time without eating. A seal’s body stores enough fat in the blubber layer to allow the animal to go for extended periods of time without eating.
Phocidae (true seals) differ from sea lions in that they have: no external ears smooth, coarse hair with no underfur a hind limb geometry that restricts their ability to move on land; fore flippers that are smaller than those of sea lions; Diving behavior and adaptations: can shut off their nostrils completely while diving
Jun 2, 2023 · Seals are usually peaceful and non-aggressive unless they feel threatened. Situations, where seals would feel endangered or display aggression, are when a mother is with her young, when two males are fighting over a female or for territory, or when a seal is approached directly by a human.
Sea lions and fur seals are eared seal (otariids). They have visible earflaps and use all four limbs for walking on land and use their front flippers for swimming. Their rear flippers, which are short and turn forward and backward, are most useful for getting around on land.
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The bodies of true seals and walruses are shaped like a torpedo, with physical features like ears internalized and short flippers, which allows them to reach high speeds underwater, while that of a sea lion is more maneuverable and allows for better mobility on land due to larger fore flippers.
