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These seabirds prefer to nest in elevated locations like mangroves, bushes, or even cacti, but will nest on the ground if necessary. They feed on flying fish and squid , snatching them from the surface without ever getting wet by relying on prey driven to the surface by underwater predators .
- 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.
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.
- Harbor Seal (Phoca vitulina) The Harbor seal is a marine mammal found in the coastal waters of the northern hemisphere. They have streamlined bodies and dappled coats ranging from silver-gray to brown or black.
- Gray Seal (Halichoerus grypus) The North Atlantic is home to Gray Seals and large pinnipeds with snouts resembling horses. This is why they are also called Horsehead Seals.
- Harp Seal (Pagophilus groenlandicus) Harp seals are a species found in the Arctic and North Atlantic oceans. They have a distinctive black harp or wishbone-shaped pattern contrasting their silvery-gray fur.
- Ringed Seal (Pusa hispida) The Ringed Seal is the smallest of the Arctic seals, featuring dark spots surrounded by light rings on their fur. As the smallest seal in the Arctic, they weigh 110 to 150 pounds and measure up to 5 feet long.
Penguin. With flippers, penguins swim and dive for fish, crabs, and shrimp. They have black heads and bodies with white bellies. Penguins range from 15 inches to 3 ½ feet and weigh between two and 80 pounds. They can live up to 20 years. Their main predators are seals and killer whales.
Odobenidae (Walruses): These creatures are limited to the Arctic waters of the Atlantic and Pacific. Their hind limbs are similar to those of sea lions, but they have no external ear. The most characteristic feature is the set of enlarged canine teeth – tusks. They may weigh up to 4000 pounds.
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Seals and sea lions have many similarities with land carnivores like dogs and cats such as a long snout and sharp teeth and are thought to have developed from land mammals about 20 million to 25 million years ago.
