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"). As with otariids, it can turn its rear flippers forward and move on all fours; however, its swimming technique is more like that of true seals, relying less on flippers and more on sinuous whole body movements. Sea lions are usually 2 –3 metreslong and have their bodyweights ranging from 200 to1000 kilograms. Seals, Sea Lions, and Walruses. On the other hand, walrus does not have external ears. Difference Between Distilled Water and Boiled Water, Difference Between McDonalds and Burger King, Difference Between Dwarf Lop and Mini Lop. 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. 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.. Have you ever wondered how to tell the difference between a seal and a sea lion? • There are seven species of sea lions while there is only one species of walrus. 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 Walrus made its maiden flight in 1933, the design effort having commenced as a private venture four years earlier. All rights reserved. Sea lions are the most social of the three. Monk seals, including the critically endangered Hawaiian monk seal, are also categorized as true seals. To conclude, the article provides a comparison of the seal, sea lion, walrus, and otter with their … @media (max-width: 1171px) { .sidead300 { margin-left: -20px; } } Dominance is established among males according to body and tusk size. Seals and sea lions share adaptations for living in the sea—including blubber, flippers, and streamlined bodies. They mainly feed on the benthic molluscs, shrimp, crab, tubeworms, corals, sea cucumbers, and many other pinnipedian body parts. Walrus is a see also of seal. They return to land to give birth and nurse their young. Sea lions belong to the Family: Otaridae, which accounts for both fur seals (nine species) and others (seven species). He has more than ten years of diverse experience as a Zoologist and Environmental Biologist. Firstly, seals and sea lions have completely different ears. These three subspecies are known as Atlantic walrus (O. r. rosmarus), Pacific walrus (O. r. divergens), and Laptevi walrus (O. r.laptevi). All those walruses are distinguishable from the presence of the tusks, which is their most distinctive feature. Your email address will not be published. • Sea lions have four flipper-like feet whereas there only two such feet in walrus. Seals vs. sea lions is a difficult topic to grasp, but this article aims to clearly illuminate the difference between these two aquatic beasts. 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. Steller sea lions are the largest in the family. Walrus is also bigger than sea lions. Watch as a sea lion drags a young girl into the waters at the Steveston Fisherman's Wharf, Richmond B.C. • 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. Walrus, Odobenusrosmarus, is one of the most distinctive animals living in the marine ecosystem with a pair of characteristic tusks. Sea lions are mainly found in the sub arctic to tropical waters in both the hemispheres. What keeps them warm in cold water where many of them live is their thick layers of fat, called blubber, under their skin. 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. In addition, the walruses have large fangs that do not have seals or sea lions. Naveen is a Doctoral Student in Agroforestry, former Research Scientist and an Environmental Officer. Terms of Use and Privacy Policy: Legal. Walrus is widely seen in the Arctic Ocean and the sub arctic seas in the Northern Hemisphere. One obvious difference between walruses, seals and sea lions is that walruses are the only pinnipeds with tusks. While the baby sea lions are called pups, baby walrus are called calves. Sea lions have external ear flaps, which are important to notice. • Walrus weighs much more than sea lions. Pinnipeds: Seals, Sea Lions and Walruses . The tusk and stiff whiskers are the main features that differentiate a walrus from a sea lion. Unlike the sea lions, walrus have tusks and whiskers. Seals do have front feet stubby and thinly flippers webbed. Let’s sort out the taxonomy first. Males mate with multiple females in winter. There are also obvious similarities between seals and sea lions. 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. Seals and sea lions are both mammals. Like the sea lion and fur seal (family Otariidae), the walrus can turn its hind flippers forward under its body when on land and can thus crawl using all four limbs. Walrus haul out in large aggregations. Though walrus shares certain physical features with sea lions, it does not have the external ear as that of sea lions. They are excellent swimmers with forelimbs modified into flippers and the presence of a fatty fin-like tail. As mammals, pinnipeds are warm-blooded, breathe air with lungs, have hair, bear live young, and females nurse their y… • Walrus weighs much more than sea lions. Filed Under: Animals Tagged With: Sea Lion, sea lions, walrus, walruses. However, despite being marine mammals, much of their time is spent on the ice. Required fields are marked *, Notify me of followup comments via e-mail, August 3, 2010 • no comments. They are really a type of sea lion. Walrus are the largest pinnipeds, with some males registering over 3,000 pounds. To keep warm in deep seawater and on land seals and sea lions need blubber. The … 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)). Their range extends from the subarctic to tropical waters of the global ocean in both the Northern and Southern Hemispheres, with the notable exception of the northern Atlantic Ocean. This does not help the already confused general public distinguish between seals and sea lions. Fur seals have a thick layer of fur which grows underneath coarse protective hair. They’re the Third Largest Seal in the World. The tusk and stiff whiskers are the main features that differentiate a walrus from a sea lion. The sea lions have external ear flaps (pinnae) and long front flippers. In this fascinating and engaging book, students will learn the distinguishing characteristics of seals, sea lions, and walruses. Walrus is the only living species in the Odobenus genus. Seal vs Sea Lion. Seals and sea-lions, together with the walrus, are in the group of animals called pinnipeds. These tusks are present in both males and females. 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. • Whiskers are more prominent in walrus, but those are not that prominent in sea lions. While seals and sea lions are both part of the pinniped family, there are differences between the two! In land movement, walrus is like sea lions that uses its four flippers. When on land, the sea lions walk on all four flippers. The tusk and stiff whiskers mainly differentiate a walrus from a sea lion. In addition, their whiskers are prominent, and the great bulky body are important to consider. The walrus's body shape shares features with both sea lions (eared seals: Otariidae) and seals (true seals: Phocidae). Pinnipeds include "true seals", sea lions, fur seals and walruses. The most notable anatomical differences are the ears and the flippers. The ears are located on the sides of their head. Another feature is that the sea lions do not have dense under fur. Unlike the sea lion, walrus relies more on the body for swimming like that of the true seals. But seals and sea lions are in different taxonomical families owing to some key anatomical differences. Unlike the sea lion, walrus relies more on the body for swimming like that of the true seals. But seals and sea lions … That suggests the female walruses are usually smaller and lighter than males. 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). 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. Informational (nonfiction), 904 words, Level P (Grade 2), Lexile 620L . Sea lions are mainly found from the sub arctic to tropical waters in both the hemispheres. Pinnipeds divide their time between near shore terrestrial habitats and the ocean. (adsbygoogle = window.adsbygoogle || []).push({}); Copyright © 2010-2018 Difference Between. Compare the Difference Between Similar Terms. The sea lion has a … Seals, Sea Lions, and Walrus: Pinnipeds. Elephant seals spend up to 80% of their lives in the ocean. • Sea lions have external earflaps but not the walruses. They have an average lifespan … A walrus usually weighs over 1,700 kilograms, and which is seconds only to the elephant seals among pinnipedian species. Sea lions and seals are both part of the group known as pinnipeds. 1) Sea lions have external ear flaps. Walrus is also bigger than sea lions. Though walrus shares certain physical features with sea lions, it does not have the external ear as that of sea lions. Pinnipeds are classified under three families, eared seals, true seals and walruses. 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. These are two distinctive animals with some characteristics features from both animals to make each one unique in the animal kingdom. They are unique with their large tusks and vaccuum-like mouths that can suck up shellfish from the ocean floor. Baby seals or sea lions are called pups, while baby walruses are known as calves. • Sea lions have four flipper-like feet whereas there only two such feet in walrus. Seals have little holes on their head, and lacks a pinnae. But seals' furry, generally stubby front feet — thinly webbed flippers, actually, with a claw on each small toe — seem petite in comparison to the mostly skin-covered, elongated fore … Sea lions are very vocal, sometimes even considered as noisy. True seals are also known as earless seals, or simply "seals". Female leopard seals, the larger of the two sexes, can … Though the body shapes of both sea lion and walrus are almost identical, they have differences in their physical structure. 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. This article reviews the important characteristics of both walrus and sea lions in a brief manner and then performs a comparison between walrus and sea lion. Unlike the sea lion, walrus relies more on the body for swimming like that of the true seals. Sea lions and walrus belong to the same group of animals known as Pinnipeds. They can hold their breath for more than 100 minutes – longer than any other noncetacean mammal. Seal vs sea Lion vs Walrus vs Otter difference & comparison. • Walrus belongs to the Family: Odobentidae while sea lions belong to the Family: Otaridae. Other than tusks, walruses … Summary The difference between Seal and Sea Lion is that Seals along walrus are known as pinnipeds which mean “fin-footed” in Language Latin. However, they are not seen in the Atlantic Ocean. Also, sea lions are just plain noisy, whereas seals are a bit quieter. Walrus and sea lion belong to the same Superfamily: Pinnipedia under the Order: Carnivora. Sea lions have long and smooth whiskers or vibrissae. The sea lions have external ear flaps (pinnae). Pinnipeds are carnivores that have adapted to an amphibious marine existence. Also, they have claws with small toes. Your email address will not be published. Though sea lions and walrus are both winged foot animals, they differ widely in their body features and habitat. Oddly enough fur seals are not seals at all. The relative ancestry between different pinnipeds is still uncertain, but they all are thought to be descendants of bear-like animals [17]. But this hair does little to keep them warm when they dive deep in the water. California sea lion and Stellar Sea lion are the well known sea lion species. The lifespan of these interesting marine mammals ranges from 20 to 30 years. Well here are a couple of easy ways to spot the difference. Walrus is widely seen in the Arctic Ocean and the sub arctic seas in the Northern Hemisphere. [4] Around five years of age, there will be a bump on top of the head of males called the sagittal crest. 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. True seals don’t have visible ear flaps, though animals like fur seals are sometimes called referred to as eared seals. Both seals and sea lions, together with the walrus, are pinnipeds, which means "fin footed" in Latin. These are the main differences between sea lions, seals and walruses : Regarding size, by far, the walruses are the largest of the three, while the smaller ones are the seals. They live in the arctic waters of the North Pole. However, while they are swimming in water, they move their long forelimbs like birds flap their wings during flight. The main difference between seal and sea lion is that seals belong to family Phocidae whereas sea lions belong … What is the difference between Walrus and Sea Lion? True seals are also known as earless seals, or simply "seals". Unlike the sea lion, walrus relies more on the body for swimming like that of the true seals. Leopard seal Seals are warm blooded creatures. • Sea lions have external earflaps but not the walruses. • 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. Pinnipeds can live in the womb for anywhere from 8 to 16 months, depending on how long the fertilized egg lies dormant. Elephant seals are the largest of the true seals. There is no difficulty in differentiating a sea lion from a walrus. Pinnipeds are those animals that spend a lot of time on both the shore of a landmass and in the ocean, and they include walruses along with sea lions and seals. Walruses are pinnipeds, but they are in the family, Odobenidae. Sea lions have relatively thin layers of blubber but have more hair. In this article, we have used the term seals to refer to true seals. The walrus species can be divided into those that live in the Pacific Ocean and those that live in the Atlantic Ocean. While the baby sea lions are called pups, baby walrus are called calves. 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. Seals have a thin layer of coarse hair and … In land movement, walrus is like sea lions that uses its four flippers. 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. Another seal that many people think of is the leopard seal. Eared seals include both sea lions and fur seals due to the presence of small external ears, which make them different from true seals. [Sea lions are in the family, Otariidae. However, sometimes there are males weighing up to 2,000 kilograms as well as females of 800 kilograms. Although they feed in the sea, they surface for air. 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