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Mar 22, 2021 · Phocid seals primarily use their back flippers to push themselves through the water (like rear-wheel drive) and do not have external ear flaps. “Otariid seals” are also called “eared seals” and include all the species of sea lions and fur seals. Otariid seals primarily use their front flippers to pull themselves through the water (like ...
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.
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.
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.
Aug 7, 2014 · Eared seals have external ear flaps, while true seals do not. Another difference is that the rear flippers of true seals point backward, and these seals move on land with an up-and-down undulating ...
Feb 9, 2023 · The 32 species of seals are divided into three species, with the first being the true seals. True seals appeared to have no ears, so also called earless seals. They do have ears; they just don’t have external ear flaps. Instead, the entire organ is hidden under their skin. That’s only one of many secrets we will reveal in this article!
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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.
