California sea lion and Stellar Sea lion are the well known sea lion species. Elephant seals dive to 1,550 m (5,090 ft) beneath the ocean's surface (the deepest recorded dive of an elephant seal is 2,388 m (7,835 ft) by a southern elephant seal, while the record for the northern elephant seal is 1,735 m (5,692 ft)). The group of marine mammals consisting of seals, sea lions, and walruses is known as the Pinnipeds, (from "pinna" meaning "feather" + "pes" meaning "foot" = "feather-footed"). Though walrus shares certain physical features with sea lions, it does not have the external ear as that of sea lions. True seals are also known as earless seals, or simply "seals". Seal vs Sea Lion. The tusk and stiff whiskers mainly differentiate a walrus from a sea lion. They forage at sea but most come ashore or onto ice at some time of the year to mate, give birth, suckle their young, or to molt. What is the difference between Walrus and Sea Lion? Watch as a sea lion drags a young girl into the waters at the Steveston Fisherman's Wharf, Richmond B.C. The tusk and stiff whiskers are the main features that differentiate a walrus from a sea lion. All rights reserved. Sea lions and walrus belong to the same group of animals known as Pinnipeds. They are grazing marine mammals, which serves the marine ecosystem to be highly nutritious via enabling the nutrients to be released into the water after disturbing the seafloor by walruses. Males mate with multiple females in winter. In land movement, walrus is like sea lions that uses its four flippers. Unlike the sea lion, walrus relies more on the body for swimming like that of the true seals. The sea lions have external ear flaps (pinnae) and long front flippers. The Supermarine Walrus (originally known as the Supermarine Seagull V) was a British single-engine amphibious biplane reconnaissance aircraft designed by R. J. Mitchell and manufactured by the British aircraft company Supermarine.. Elephant seals spend up to 80% of their lives in the ocean. Seals, Sea Lions, and Walruses. One obvious difference between walruses, seals and sea lions is that walruses are the only pinnipeds with tusks. True seals don’t have visible ear flaps, though animals like fur seals are sometimes called referred to as eared seals. The most notable anatomical differences are the ears and the flippers. Pinnipeds are classified under three families, eared seals, true seals and walruses. While the baby sea lions are called pups, baby walrus are called calves. However, despite being marine mammals, much of their time is spent on the ice. There is no difficulty in differentiating a sea lion from a walrus. Walruses are pinnipeds, but they are in the family, Odobenidae. Fur seals have a thick layer of fur which grows underneath coarse protective hair. Walrus is also bigger than sea lions. Seals have a thin layer of coarse hair and … Difference Between Distilled Water and Boiled Water, Difference Between McDonalds and Burger King, Difference Between Dwarf Lop and Mini Lop. The main difference between seal and sea lion is that seals belong to family Phocidae whereas sea lions belong … Elephant seals are the largest of the true seals. All those walruses are distinguishable from the presence of the tusks, which is their most distinctive feature. As mammals, pinnipeds are warm-blooded, breathe air with lungs, have hair, bear live young, and females nurse their y… The Walrus made its maiden flight in 1933, the design effort having commenced as a private venture four years earlier. 1) Sea lions have external ear flaps. Female leopard seals, the larger of the two sexes, can … Filed Under: Animals Tagged With: Sea Lion, sea lions, walrus, walruses. Informational (nonfiction), 904 words, Level P (Grade 2), Lexile 620L . In this article, we have used the term seals to refer to true seals. True seals are also known as earless seals, or simply "seals". Baby seals or sea lions are called pups, while baby walruses are known as calves. The word 'pinniped' means 'fin foot', as the four legs of seals, sea-lions and walrus have developed into flippers to better suit their life in the water. Seals vs. sea lions is a difficult topic to grasp, but this article aims to clearly illuminate the difference between these two aquatic beasts. Also, they have claws with small toes. Your email address will not be published. Walrus belong to the Family: Odobenidae of the Order: Carnivora, and it is the only species of this family, but there are three subspecies of walruses. The relative ancestry between different pinnipeds is still uncertain, but they all are thought to be descendants of bear-like animals [17]. Surprising to many lay people, evolution specialists maintain that seals are more closely related to cats and bears than they are to sea lions. On the other hand, walrus does not have external ears. • Whiskers are more prominent in walrus, but those are not that prominent in sea lions. Sea lions are usually 2 –3 metreslong and have their bodyweights ranging from 200 to1000 kilograms. They mainly feed on the benthic molluscs, shrimp, crab, tubeworms, corals, sea cucumbers, and many other pinnipedian body parts. Another seal that many people think of is the leopard seal. A walrus usually weighs over 1,700 kilograms, and which is seconds only to the elephant seals among pinnipedian species. Sea lions are very vocal, sometimes even considered as noisy. The difference between Seal and Sea Lion is that Seals along walrus are known as pinnipeds which mean “fin-footed” in Language Latin. • Sea lions can walk on the ground using four feet, but walruses push their rear side forwards and moves the front into the intended direction of movement while walking. However, while they are swimming in water, they move their long forelimbs like birds flap their wings during flight. Walrus and sea lion belong to the same Superfamily: Pinnipedia under the Order: Carnivora. Leopard seal Seals are warm blooded creatures. Summary Filmed on a remote island in the Arctic, shrouded in fog, we are treated to stunning footage of a Polar Bear in pursuit of a Walrus. The sea lion has a … • Sea lions can walk on the ground using four feet, but walruses push their rear side forwards and moves the front into the intended direction of movement while walking. Unlike the sea lions, walrus have tusks and whiskers. Have you ever wondered how to tell the difference between a seal and a sea lion? The tusk and stiff whiskers are the main features that differentiate a walrus from a sea lion. They are unique with their large tusks and vaccuum-like mouths that can suck up shellfish from the ocean floor. Naveen is a Doctoral Student in Agroforestry, former Research Scientist and an Environmental Officer. Difference Between Animal and Human Communication, Difference Between Grizzly and Black Bear, Difference Between Coronavirus and Cold Symptoms, Difference Between Coronavirus and Influenza, Difference Between Coronavirus and Covid 19, Difference Between Modulation and Multiplexing, Difference Between Regulatory and Repressor Protein, Difference Between Navy Seals and Delta Force, Difference Between Gravimetric and Titrimetric Analysis, Difference Between Orthoboric Acid and Metaboric Acid, Difference Between Regeneration and Fibrosis, Difference Between Culture and Media in Microbiology, Difference Between Oxirane Glycidyl and Epoxy Groups, Difference Between Filgrastim and Lenograstim. Pinnipeds divide their time between near shore terrestrial habitats and the ocean. • Sea lions have four flipper-like feet whereas there only two such feet in walrus. Though the body shapes of both sea lion and walrus are almost identical, they have differences in their physical structure. Seals and sea lions share adaptations for living in the sea—including blubber, flippers, and streamlined bodies. The ears are located on the sides of their head. Together with the fur seals, they comprise the family Otariidae, eared seals, which contains six extant and one extinct species (the Japanese sea lion) in five genera. Both seals and sea lions are described in the taxonomic order Pinnipedia, a grouping of carnivorous marine mammals that includes 20 genera and 31 species of seals, sea lions, and walruses. Additionally, their ability to walk on the ground by all four feet with the use of long forelimbs is another distinguishing feature among many pinnipedian species, and which has caused them to spend more time on land than in sea. • There are seven species of sea lions while there is only one species of walrus. Walrus, Odobenusrosmarus, is one of the most distinctive animals living in the marine ecosystem with a pair of characteristic tusks. • Walrus weighs much more than sea lions. Sea lions and seals are both part of the group known as pinnipeds. Steller sea lions are the largest in the family. These three subspecies are known as Atlantic walrus (O. r. rosmarus), Pacific walrus (O. r. divergens), and Laptevi walrus (O. r.laptevi). Sea lions have relatively thin layers of blubber but have more hair. Another feature is that the sea lions do not have dense under fur. Sea lions are pinnipeds characterized by external ear flaps, long foreflippers, the ability to walk on all fours, short, thick hair, and a big chest and belly. • Walrus belongs to the Family: Odobentidae while sea lions belong to the Family: Otaridae. He has more than ten years of diverse experience as a Zoologist and Environmental Biologist. These are two distinctive animals with some characteristics features from both animals to make each one unique in the animal kingdom. Oddly enough fur seals are not seals at all. Both seals and sea lions, together with the walrus, are pinnipeds, which means "fin footed" in Latin. While seals and sea lions are both part of the pinniped family, there are differences between the two! Firstly, seals and sea lions have completely different ears. These tusks are present in both males and females. Walrus is also bigger than sea lions. Although they feed in the sea, they surface for air. This does not help the already confused general public distinguish between seals and sea lions. They are excellent swimmers with forelimbs modified into flippers and the presence of a fatty fin-like tail. Seals, Sea Lions, and Walrus: Pinnipeds. What keeps them warm in cold water where many of them live is their thick layers of fat, called blubber, under their skin. Sea lions are the most social of the three. To conclude, the article provides a comparison of the seal, sea lion, walrus, and otter with their … (adsbygoogle = window.adsbygoogle || []).push({}); Copyright © 2010-2018 Difference Between. Pinnipeds: Seals, Sea Lions and Walruses . Seals and sea lions are both mammals. The … • Sea lions have external earflaps but not the walruses. Also, sea lions are just plain noisy, whereas seals are a bit quieter. Pinnipeds (pronounced / ˈ p ɪ n ɪ ˌ p ɛ d z /), commonly known as seals, are a widely distributed and diverse clade of carnivorous, fin-footed, semiaquatic marine mammals.They comprise the extant families Odobenidae (whose only living member is the walrus), Otariidae (the eared seals: sea lions and fur seals), and Phocidae (the earless seals, or true seals). They live in the arctic waters of the North Pole. Pinnipeds are carnivores that have adapted to an amphibious marine existence. The walrus's body shape shares features with both sea lions (eared seals: Otariidae) and seals (true seals: Phocidae). Sea lions have a short and thick coat of hair, which is characteristic for them. • Sea lions have external earflaps but not the walruses. [4] Around five years of age, there will be a bump on top of the head of males called the sagittal crest. Sea lions have long and smooth whiskers or vibrissae. • Sea lions have four flipper-like feet whereas there only two such feet in walrus. While the baby sea lions are called pups, baby walrus are called calves. Sea lions (PICTURE 1) are any of seven species in six genera of modern pinnipeds including one extinct one (the Japanese sea lion).Sea lions are characterized by the presence of external ear pinnae or flaps, long front flippers, and the ability to walk on four flippers on land. Sea lions are mainly found in the sub arctic to tropical waters in both the hemispheres. [Sea lions are in the family, Otariidae. Seals have little holes on their head, and lacks a pinnae. But seals and sea lions … They are really a type of sea lion. Eared seals include both sea lions and fur seals due to the presence of small external ears, which make them different from true seals. • Walrus weighs much more than sea lions. In addition, their whiskers are prominent, and the great bulky body are important to consider. Though sea lions and walrus are both winged foot animals, they differ widely in their body features and habitat. They return to land to give birth and nurse their young. Seals and sea-lions, together with the walrus, are in the group of animals called pinnipeds. The sea lions have external ear flaps (pinnae). Sea lions are mainly found from the sub arctic to tropical waters in both the hemispheres. Pinnipeds can live in the womb for anywhere from 8 to 16 months, depending on how long the fertilized egg lies dormant. Unlike the sea lion, walrus relies more on the body for swimming like that of the true seals. Unlike the sea lion, walrus relies more on the body for swimming like that of the true seals. Unlike the sea lion, walrus relies more on the body for swimming like that of the true seals. Required fields are marked *, Notify me of followup comments via e-mail, August 3, 2010 • no comments. That suggests the female walruses are usually smaller and lighter than males. To keep warm in deep seawater and on land seals and sea lions need blubber. Let’s sort out the taxonomy first. Though walrus shares certain physical features with sea lions, it does not have the external ear as that of sea lions. Well here are a couple of easy ways to spot the difference. They can hold their breath for more than 100 minutes – longer than any other noncetacean mammal. @media (max-width: 1171px) { .sidead300 { margin-left: -20px; } } Your email address will not be published. The lifespan of these interesting marine mammals ranges from 20 to 30 years. They’re the Third Largest Seal in the World. Walrus are the largest pinnipeds, with some males registering over 3,000 pounds. Walrus is widely seen in the Arctic Ocean and the sub arctic seas in the Northern Hemisphere. As nouns the difference between walrus and seal is that walrus is (countable) a large arctic marine mammal related to seals and having long tusks, tough, wrinkled skin, and four flippers, (taxlink) while seal is a pinniped, particularly an earless seal (true seal) or eared seal or seal can be a stamp used to impress a design on a soft substance such as wax. Seals do have front feet stubby and thinly flippers webbed. Pinnipeds include "true seals", sea lions, fur seals and walruses. Monk seals, including the critically endangered Hawaiian monk seal, are also categorized as true seals. Compare the Difference Between Similar Terms. 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