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Mar 22, 2021 · Otariid seals primarily use their front flippers to pull themselves through the water (like front-wheel drive) and have small external ear flaps. Walruses are the third type of pinniped and are well known for their large tusks that they use for foraging and fighting for dominance. 3) They have whiskers they use like cats do. Seals and sea lions ...
Seals have well-developed directional hearing underwater. This is aided by effective insulation of the inner ear (cochlea) from the skull, due to the delayed fusion of the bones of the middle ear with the rest of the skull. Therefore, background noise, transmitted through the skull, does not reach the inner ear.
Seals also have claws that are found either on the front flippers (earless seals) or back flippers (eared seals). Because water has a much higher density than air, their flippers can be much smaller proportionately in relation to their size. Additionally, seals are essentially weightless in the water, allowing them to come to a standstill and ...
Nov 24, 2023 · Unlike true seals, these species have visible ear flaps and are able to rotate their rear flippers, meaning they’re much more agile and mobile on land. They also have larger and more robust bodies. Seals from this family are typically found around the coast, where they can be seen hauling out on rocky shores and beaches but will also head onto the ice to rest and breed.
They also have a reflective membrane that makes their eyes glow when hit with light, just like cats eyes. Instead of ear flaps, Harbor seals have an external ear opening to the ear canal. It opens and closes when they dive. They have good hearing above and below the water, but respond to sound better in air.
Sea lions/fur seals show external ear flaps; seals show only ear holes. Sea lions/ fur seals have long, hairless, front flippers with short nails; seals have short, fur-covered front flippers with long claws. Sea lions/fur seals can rotate their hind flippers forward to walk on land; seals hold their hind flippers straight and move on land with a
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Oct 26, 2023 · Sea lions, on the other hand, have external ear flaps and are grouped with the eared-seals. These flaps turn downward so that water doesn’t get into the animal’s ears. The eared-seal family includes 6 species of sea lions and 10 species of fur seals. There are other differences between true seals and sea lions.
