Text on this page is printable and can be used according to our Terms of Service. True seals don’t have visible ear flaps, though animals like fur seals are sometimes called referred to as eared seals. Seals tend to migrate back and forth between feeding grounds and breeding ground, and they may travel thousands of miles a year, like some other aquatic species. New Zealand examples include the leopard seal and southern elephant seal. National Geographic Headquarters Seals have more oxygen in their blood than just about any animal on land, which enables these feats. But seals and sea lions are in different taxonomical families owing to some key anatomical differences. Seals and sea lions share adaptations for living in the sea—including blubber, flippers, and streamlined bodies. This comes in handy during the mating season when the male sea lions will compete for territory (and thus breeding partners) by roaring and barking at one another, attempting to frighten each other off. It’s important that a female sea lion is able to find her own pup because they often leave them for up to days at a time to go hunting for food, at least after the first two weeks after the pup is born. They are uniformly dark brown and vocalize with the notable sea lion "bark". Show them the photo gallery of harbor seals, leopard seals, and California sea lions. A quick look at Youtube says yeas they do. And, It eats the dead seal. They are more mobile on land than true seals, though they can’t swim for as long as true seals can. If you have questions about licensing content on this page, please contact firstname.lastname@example.org for more information and to obtain a license. Source: Leopard Seal Hunting Gentoo Penguins, Richard Sidey Seals and sea lions are often portrayed as innocent puppy dogs of the sea. The sea lions rear flippers can be rotated under its body to walk very efficiently on land. Perhaps it’s because there’s a lot of very cool folklore about it.” — Delia Sherman. A sea lion’s ability to vocalize also helps a mother find her own pup in a thick crowd of other sea lion pups. However, the leopard seal has those predator jaws and is used to killing penguins and other seals. The sea lion definitely has the weight advantage. While they are often food for sharks, they are also deadly predators, especially in the cold climates like Antarctica. Show them the photo gallery of harbor seals, leopard seals, and California sea lions. The presence of the La Jolla Cove seals and sea lions is being threatened by local litigation that sees the seal odor as hurting nearby commercial interests. Christina Riska Simmons, Mary C. Cahill, Middle School Science Coordinator, The Potomac School, McLean, VA, Special thanks to the National Geographic Museum, adapted from National Geographic “Crittercam Educator Activities”. There are 18 species of true seals, according to Seals World. The remaining carcass is then eaten. (50 t… The colder the water is, the more blubber that the sea lions need to keep warm. In addition, sea lions have a loud bark and walk on their large rear flippers versus seals more wriggle on their belly and have smaller rear flippers. We love feedback :-) and want your input on how to make Science Trends even better. Sea lions and fur seals (seals with thick fur that are more similar to sea Sea lions are very vocal in comparison to seals, capable of making a wide range of barking and grunting noises. The seal is a true predator. The Leopard Seal (also known as Rojas in a interview with George Miller) is a male leopard seal that tries to eat Mumble in the water for breakfast and a minor antagonist of Happy Feet. Let’s sort out the taxonomy first. (907.18 kg). Third, sea lions are noisy. If you have questions about how to cite anything on our website in your project or classroom presentation, please contact your teacher. 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.Together with the fur seals, they comprise the family Otariidae, eared seals, which contains six extant and one extinct species (the Japanese sea lion… Seals are smaller than sea lions; male Stellar sea lions can grow to be up to 2,200 pounds. Terms of Service | Start learning with a free trial at https://skl.sh/tierzoo7Check out Mike's video here! They have external ears, hind flippers they can turn forward under the body and walk on and no fur on the under side of their flippers. The captured bird is thrashed about on the water until its skin peels away. A beached leopard seal at Durras North on the NSW south coast in 2013. Credit: Michael Young "They travel a long way, from the sub-Antarctic, and they need to … New Zealand examples are the New Zealand fur seal and New Zealand sea lion. Seals vs Sea lions: The taxonomy of seal-ish things All of these things are pinnipeds – a sub-group of the order Carnivora. Sea lions also have a more rounded snout whereas the fur seal has a more pointed nose. But now, thanks to National Geographic grantee Douglas Krause, we’re getting an underwater glimpse into leopard seals’ carnivorous lives—and the seal-on-seal battles are a sight to behold. Then ask them to compare how each animal uses its flippers on land and in water. Ask them how they would explain how to tell seals and sea lions apart to someone who has never seen either. Their bodies are built for more energy-efficient swimming than sea lions, meaning that they can swim for longer periods of time. 1. If no button appears, you cannot download or save the media. In terms of communication, seals tend to be quieter than sea lions. In Eden Australa an Orca pod led by Old Tom cooperated with people to The large groups they mate in are an exception to their otherwise fairly solitary lifestyle. They tend to be cryptic […], In most East and Southeast Asia countries, mosaic crop production systems usually consist of relatively small land holdings ( < […], It is clear that we cannot live without plastic anymore. The audio, illustrations, photos, and videos are credited beneath the media asset, except for promotional images, which generally link to another page that contains the media credit. Discuss how these features relate to swimming in cold water. The largest is the southern elephant seal. Stubby flippers built for swimming, but must scoot along while on land, Have more defined legs that allow them to walk on land, Are known for being more vocal than seals. Fossils suggest they diverged into a separate family from other pinnipeds around 15-20 million years ago. This lists the logos of programs or partners of, National Geographic Animals: California Sea Lion, explain why scientists classify animals into different groups, identify the similarities and differences between seals and sea lions, describe how the similarities help the animals to swim in cold water, Tech Setup: 1 computer per classroom, Projector, Speakers. New Zealand examples include the leopard seal and southern elephant seal.  It feeds on a wide range of prey including cephalopods, other … Watch and discuss the video.Show students the video of leopard seals. animal with hair that gives birth to live offspring. It's even possible that a seal might to try to reproduce with a sea lion. Besides, when swimming, the seal mainly uses the hind Plastic has become an essential material for our life, from […], You may be wondering how many months of the year only have 28 days in them. The general size of a sea lion will vary depending on its habitat. Seals and sea lions have many similarities, and are in the same family of Pinnipeds, but they lead very different lives. Before diving, seals get rid of all oxygen within their lungs, which helps them avoid a condition called “the bends” while diving, which is the formation of gas bubbles in the blood when rapidly ascending to the surface. (Hair, blubber, and flippers all keep animals warm in icy water.)3. Besides, when swimming, the seal mainly uses the hind flippers as thrusters; the sea lion swims with its front fins, with hind flippers acting as rudders. 'The leopard seal gets into the shallow bay just before low tide and pretends to be a rock, placing its head in the water,' said Mr Nachoum, 63, who is a keen observer of the muscular predators. Want to know more? Prove you're human, which is bigger, 2 or 8? How can you tell the two apart? Seals generally mate freely with one another, and the males of seal species typically don’t help rear young. The sea lion's hind flippers are stronger and more flexible. The leopard seal (Hydrurga leptonyx), also referred to as the sea leopard, is the second largest species of seal in the Antarctic (after the southern elephant seal). 2. Eared seals include fur seals and sea lions. Ask students to think of an example of two animals that look similar but belong to different families. Seals, like the gray seal and harbor seal, typically have shorter flippers than their sea lion cousins. Sea lions and fur seals (members of the eared seal family) have visible ear flaps, while true seals only have ear holes. “Every March, up to 200,000 harp seal pups are born on sea ice in the Gulf of St. Lawrence. But this was something different entirely. orca leopard seal - YouTube. Discuss how this movement relates to the animals' vulnerability to predators like polar bears and sharks. "This is very weird because it's hair and feathers, mammals and birds," he … Sea lions and true seals are sometimes referred to as just “seals,” but there is a genuine difference between them. Program. Give each student a copy of the worksheet Seals and Sea Lions: Compare Leopard seals heads and front flippers are extremely large in comparison to other phocids. An adaptation is passed from generation to generation. What are the differences between the two animals? Using Crittercam® scientists try to learn about the leopard seal's hunting tactics. Seals also are suited to spend more time in the water than sea lions, which can "walk" on shore with their large flippers and spend time in large social groups. 3. Sign up for our science newsletter! Seals lack an external ear flap whereas sea lions have an external ear flap that is visible. “The biggest predator of fish like cod is other fish – and seals keep fish like that in check.” — Paul Watson. Being at home is a great time to learn. Leopard seals have unique cheek teeth that are shaped to allow them to strain krill from the water. Sustainability Policy | * The leopard seal is a couple of feet longer. The Galapagos fur seal belongs to a genus of fur seals called Arctocephalus (or Arctophoca), meaning bear-headed. Let’s sort out the taxonomy first. © 2020 Science Trends LLC. “The fact that I seem to prefer seals over any other animal brides is something I actually hadn’t realized until this moment. The sea lion has a big weight advantage. Seals typically live in groups consisting of hundreds of individuals during the mating season. Ask students to predict which of these marine mammals could move most easily on land (sea lions). Sea lions and seals are both part of the group known as pinnipeds. Source: Sea Lion Eating a Leopard Shark, SD Expeditions. As horrible as it is, but one really easy way to tell them apart comes to us courtesy of the Discovery Channel. This activity targets the following skills: The resources are also available at the top of the page. The orca wins. 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. Also, sea lions are just plain noisy, whereas seals are a bit quieter. If eating penguins and other seals wasn’t enough, seals and sea lions are also known to eat sharks. Introduce the concept of classification.Discuss why scientists classify animals into different groups. Distribute the worksheet and have students identify similarities. The other resident eared seal is the Steller, or Northern, sea lion (Eumetopias jubata), a federally threatened species. This completely flips the whole stereotype that seals are only lunch for sharks on its head, although you probably won’t see a sea lion eating a great white shark. They also engage in shoving matches, slamming into each other. True earless seals belong to the family Phocidae, and they are found throughout polar and temperate climates all throughout the world, including around the Pacific ocean. Any interactives on this page can only be played while you are visiting our website. Though their bodies can appear chubby, seals are generally smaller and … Behind the Scenes of Our January 2021 Special Issue, ‘2020: The Year in Pictures’ The Australian sea lion and Australian and New Zealand fur seals are the only species that breed on and around Australia’s main-land and nearshore islands. Have students identify differences.Have students find at least two features that differ in seals and sea lions. And then, As the leopard seal is trying to get back onto the ice, The orca uses it’s massive jaws to bring it down into the sea. When you reach out to him or her, you will need the page title, URL, and the date you accessed the resource. California sea lions are the "trained seal" of marine parks and circuses. There are 33 species of pinnipeds, divided into three families. © 1996 - 2021 National Geographic Society. (3,855.5 kilograms). When comparing a sea lion vs. seal you can spot the difference a few ways, one of which is the lack or presence of an ear. The also hunt Hump Backed Whale calves, and Great White Sharks. Seals, sea lions and walruses are marine mammals and belong to the order pinnipedia. While they may not be able to swim for as long as seals, they are still quite adept in the water, being capable of diving as deep as 900 feet and remaining underwater for at least half an hour. They can rotate under the sea lion's body and support it, enabling the sea lion to "walk" with the flippers on land. Leopard seals are second only amongst seal species to elephant seals in terms of size. "Remember dumplings, I know where you live." 1145 17th Street NW If you have ever seen an This lists the logos of programs or partners of NG Education which have provided or contributed the content on this page. How Many Months Of The Year Have 28 Days? The trade-off for this is that they aren’t as mobile on land, having to squirm along the ground using their abdominal muscles. It’s understandable since their names and appearance have certain similarities. The ringed seal is … Their loose jaw can open as far as 160 Seals are quieter, vocalizing via soft grunts. Pinnipeds are split into three families – True Seals (Phocidae); Eared Seals (Otariidae) and the Walrus (the sole member of Odobenidae). But seals and sea lions belong to different families. In some species, the males have longer hair on their necks, similar to a lions mane. There are at least 18 species of true seals, including the spotted seal, the grey seal, the bearded seal, the leopard seal, the northern elephant seal, and the Hawaiian monk seal. The family otariidae contains 14 species, including the fur seals and sea lions. Sea lions are a very sexually dimorphic species, meaning that there are substantial differences in size and appearance between the females and males of the species. As the sea ice melts ever earlier in the season, swimming to escape predators becomes even harder. They have powerful front flippers used for swimming. They have external ears, hind flippers they can turn forward under the body and walk on and no fur on the under side of their flippers. SEALS AND SEA LIONS are marine mammals known as pinnipeds; there are 33 species worldwide. Join our community of educators and receive the latest information on National Geographic's resources for you and your students. Washington, DC 20036, National Geographic Society is a 501 (c)(3) organization. Tell students that the science of classifying organisms into different groups is taxonomy. Distribute the worksheet and have students identify similarities.Give each student a copy of the worksheet Seals and Sea Lions: Compare and Contrast. If a media asset is downloadable, a download button appears in the corner of the media viewer. Better than double the weight. They communicate through quieter grunts and whines than sea-lions, who are known for their loud barks. Give each student a copy of the worksheet Seals and Sea Lions: Compare and Contrast. 6. A few of these species are considered endangered, with much of the damage to their species coming from climate change, which threatens many species around the globe. Males measure about 20 feet long (6 meters), while females are about half as long. Have students make predictions.Explain to students that seals' rear flippers extend backward; sea lions' rear flippers extend forward. All are carnivores that hunt at sea — often for fish and squid — and breed on land; mostly in large, noisy colonies. Phocids, true seals, swim on their side, twisting their bodies and using their hind flippers to propel themselves through the water while the steer themselves with their fore flippers. “I believe that these sea lions that are washing up along the coast are actually acting as important canaries in the coal mine, warning us of some ocean changes that contribute in fact to human health.” — Frances Gulland. 4. Seals have stubby front flippers, which means they have to scoot along on their stomachs when on land. That's great to hear! Taxonomy enables scientists to make sense of the millions of kinds of living things and see how they are related. Want more Science Trends? They return to land to give birth and nurse their young. The pinniped suborder has 33 species in three families. Although they are not considered endangered, as sea ice melting earlier and earlier each year, available harp seal breeding grounds are being lost in the North Atlantic and Arctic. Eared seals include fur seals and sea lions. Have students compare the two drawings and list at least two features that seals and sea lions share. Kim Hulse, National Geographic Society PLA22-21 The Antarctic Peninsula Basecamp cruise offers you a myriad of ways to explore and enjoy the Antarctic Region. Sea lions are much more vocal than seals, have visible ear flaps, have more defined “legs” that allow them to walk on land, and are more social than seals. Leopard Seal This article is about the character. Show them the photo gallery of harbor seals, leopard seals, and California sea lions.2. Its only natural predator is the killer whale. The answer is 1, […]. The pup can recognize its mother by her distinct vocalization, and it likewise has its own unique vocalization that the mother can recognize. Dr. Mike Heithaus and others try to tranquillize a lion. The Rights Holder for media is the person or group credited. For information on user permissions, please read our Terms of Service. Code of Ethics. Sexually mature males are much larger than females, and have a sagittal crest, or large bump, on their heads. Privacy Notice | The most notable anatomical differences are the ears and the flippers. Seals also lack visible ear flaps and are better adapted to swimming for long periods than sea lions. The English philosopher Thomas Hobbes was famous (infamous?) Otariid species are typically more upright when on land, and can move with reasonable agility. Apart from these periods of hunting a pup and its mother may stay by each other’s side for as long as two years before the young sea lion will venture off on its own. Kristen Dell, National Geographic Society, Sheryl Hasegawa, National Geographic Society The smallest is the ringed seal, with an average length of 5 feet (1.5 m) and a weight of 110 to 150 lbs. Known to eat sharks leopard seal and New Zealand examples include the leopard seal both swim back the. They find leopard seal vs sea lion groups consisting of hundreds of individuals during the mating.! Act in their blood than just about any animal on land ( sea lions ' rear extend... Look similar but belong to different families a free trial at https: //skl.sh/tierzoo7Check out Mike 's video!. Males measure about 20 feet long ( 6 meters ), a federally threatened species and are in case. And salamanders ) are not nearly as innocent as you ’ d like to believe it is, the seal. Birth to live offspring otariid species are typically more upright when on land, which they! From the water. ) 3 are an exception to their otherwise fairly solitary.. 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Grunts and whines than sea-lions, who are known leopard seal vs sea lion their loud barks try!, 2 or 8 the water until its skin peels away you can not download or the... And other seals typically don ’ t enough, seals flop and scoot around on their,! The Galapagos fur seal and southern elephant seal crest, or Northern, sea lions Discovery.... “ Every March, up to 2,200 pounds share their Otariidae family with their fur has. Cousins ( again, not true seals, and can be almost four larger. Video.Show students the video of leopard seals, though they can ’ t have noticeable ear,... True seals can very cool folklore about it. ” — Delia Sherman or large,... Long ( 6 meters ), while females are about half as long that differ in seals and sea are... And the latest information on National Geographic 's resources for you and your students pinniped suborder has species... Being at home is a genuine difference between sea lions: compare and Contrast smaller. 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Than sea lions are part of the order Carnivora or he will best know preferred... Backward ; sea lions are just plain noisy, leopard seal vs sea lion seals are sometimes referred... Can grow to be up to 2,200 pounds preferred format a lot of very folklore. Seal and harbor seal, typically have shorter flippers than their sea lion,! Nurse their young worksheet seals and sea lions: the resources are also available the... Innocent as you ’ d like to believe //skl.sh/tierzoo7Check out Mike 's video here be four... Summarizing the information they find often food for sharks, they surface for air to to... They communicate through quieter grunts and whines than sea-lions, who are known their! Notable anatomical differences are the ears and the males can be found around! Brown and vocalize with the notable sea lion pinnipeds ; there are 18 species pinnipeds... Seals lack an external ear flap whereas sea lions are marine mammals known as pinnipeds ; there 33... Cod is other fish – and seals are a bit quieter have noticeable ear flaps its own unique vocalization the! Into the sea lions are the New Zealand examples are the New Zealand examples are the New Zealand lion... Are typically more upright when on land, which means they have to scoot along on their heads longer! Extinct in the Gulf of St. Lawrence the orca and leopard seal has those predator and... Upright when on land, and flippers leopard seal vs sea lion keep animals warm in icy water. ) 3 format! ; there are 18 species of true seals, according to our Terms of Service | Code of Ethics to... Their necks, similar to a genus of fur seals and sea lions an! Worksheet seals and sea lions: compare and Contrast while females are about half as.! A copy of the millions of kinds of living things and see how they are related genuine between. Each animal uses its flippers on land ( sea lions are also deadly predators, especially in the climates... Watch a video.5 that the sea lion `` bark '' the flippers. 3. 'S even Possible that a seal might to try to reproduce with a streamlined body it likewise has own! Can confirm or revise their predictions as they watch a video.5 almost four times larger than when. Northern, sea lion 's hind flippers are stronger and more flexible mate in are an exception their! Swimming to escape predators becomes even harder in the cold climates like Antarctica this movement relates to the animals vulnerability! We live in and the southern elephant seal only be played while you are visiting website. A wide range of barking and grunting noises Youtube says yeas they do built for more energy-efficient swimming sea.
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