2024年6月16日 · Sea lions (left) are brown, bark loudly, "walk" on land using their large flippers and have visible ear flaps. Seals have small flippers, wriggle on their bellies on land, and lack visible ear flaps.

2025年1月5日 · Unlike terrestrial mammals, sea lions possess a unique anatomical feature; they do not have external ear flaps. Instead, their ears are adapted to an aquatic lifestyle, featuring small openings that are less susceptible to water infiltration.

Sea lions are pinnipeds characterized by external ear flaps, long foreflippers, the ability to walk on all fours, short and thick hair, and a big chest and belly. Together with the fur seals, they make up the family Otariidae, eared seals. The sea lions have six extant and one extinct species (the Japanese sea lion) in five genera.

2025年1月3日 · Unlike whales and dolphins, which possess internal ear structures, sea lions have visible external ears, or pinnae. This adaptation allows them to better regulate their body temperature and enhances their ability to hear both underwater and on land.

Do Sea Lions Really Have Ears? Sea lions have small flaps for outer ears that lead into their ear canal, like us, they use their ears to hear and to allow them to find prey whilst in the water. This is what makes sea lions easy to identify from seals or walruses, as both seals and walruses do not have outer ear flaps.

1 天前 · Sea lions are semi-aquatic marine mammals that belong to the subfamily Otariinae. Together with the fur seals of the subfamily Arcocephalinae, they constitute the family of eared seals, Otariidae.Unlike true seals (family Phocidae), sea lions have external ear flaps, long and powerful front flippers, a big chest and belly, and the ability to move using their hind limbs on land.

2020年9月15日 · Sea lions have two cute ears. They not only have ear holes, but also have outer ears, or pinnae. Their ears are on either side of their head, just behind their eyes. Their ears are not degenerated, but they are smaller. Ears are one of the important features of sea lions, which can distinguish them from some similar animals. For example, seals ...

Amphibious marine mammals consist of the pinnipeds (sea lions and fur seals, Family Otariidae; true seals, Family Phocidae; and walruses, Family Odobenidae), sea otters (Family Mustelidae), and polar bears (Family Ursidae). All spend time on land as well as in the water. Consequently, their ears need to function both in air and under water [1].

2025年3月21日 · A distinctive trait to differentiate the two is whether they have visible ears. ‘Earless’ seals (Phocidae) do not have external ear flaps.However, ‘eared seals’ (Otariidae), such as sea lions, do.Seals are generally smaller than sea lions - though there are exceptions to this, like elephant seals which can weigh up to 4,000 kilograms!

2020年10月2日 · The sea lion is a large marine mammal of the clad Pinnipedia, or pinnipeds, characterized by their external ears and their ability to walk on all fours using their long front flippers, an ability absent in seals.