Show them the photo gallery of harbor seals, leopard seals, and California sea lions. However, they are not nearly as innocent as you’d like to believe. Also, sea lions are just plain noisy, whereas seals are a bit quieter. Ask students to think of an example of two animals that look similar but belong to different families. The English philosopher Thomas Hobbes was famous (infamous?) Seals vs Sea lions: The taxonomy of seal-ish things All of these things are pinnipeds – a sub-group of the order Carnivora. 4. Distribute the worksheet and have students identify similarities.Give each student a copy of the worksheet Seals and Sea Lions: Compare and Contrast. Leopard seals heads and front flippers are extremely large in comparison to other phocids. animal with hair that gives birth to live offspring. 2. 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… And, It eats the dead seal. The family phocidae is made up of the 'true seals' and contains species such as the leopard seal and the southern elephant seal. Being at home is a great time to learn. 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. The other resident eared seal is the Steller, or Northern, sea lion (), a federally We love feedback :-) and want your input on how to make Science Trends even better. Sea lions range mainly from light to dark brown, with a streamlined body. Discuss how this movement relates to the animals' vulnerability to predators like polar bears and sharks. As horrible as it is, but one really easy way to tell them apart comes to us courtesy of the Discovery Channel. There are 33 species of pinnipeds, divided into three families. Sea lions and fur seals (members of the eared seal family) have visible ear flaps, while true seals only have ear holes. Start learning with a free trial at https://skl.sh/tierzoo7Check out Mike's video here! The seal is a true predator. Third, sea lions are noisy. Eared seals are the 16 species that are commonly named sea lions because of the males manes and fur seals because of their dense underfur for which they were heavily persecuted. A quick look at Youtube says yeas they do. Any interactives on this page can only be played while you are visiting our website. They have powerful front flippers used for swimming. Have students write a paragraph summarizing the information they find. SEALS AND SEA LIONS are marine mammals known as pinnipeds; there are 33 species worldwide. Better than double the weight. We're sorry to hear that! Sea lions are part of the family Otariidae, along with fur seals. Female mammals produce milk to feed their offspring. Join our community of educators and receive the latest information on National Geographic's resources for you and your students. a modification of an organism or its parts that makes it more fit for existence. Don’t say goodbye. 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. (3,855.5 kilograms). Using Crittercam® scientists try to learn about the leopard seal's hunting tactics. The most notable anatomical differences are the ears and the flippers. The family otariidae contains 14 species, including the fur seals and sea lions. Seals have more oxygen in their blood than just about any animal on land, which enables these feats. 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. If a media asset is downloadable, a download button appears in the corner of the media viewer. There are 18 species of true seals, according to Seals World. 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. Seals lack an external ear flap whereas sea lions have an external ear flap that is visible. Give each student a copy of the worksheet Seals and Sea Lions: Compare Seals are much more quiet than the vocal sea lions and only move on land by wiggling on their bellies, whereas sea lions are able to “walk” using their flippers.  It feeds on a wide range of prey including cephalopods, other … 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”. Seals, sea lions and walruses are marine mammals and belong to the order pinnipedia. 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. Source: Sea Lion Eating a Leopard Shark, SD Expeditions. This lists the logos of programs or partners of NG Education which have provided or contributed the content on this page. They are uniformly dark brown and vocalize with the notable sea lion "bark". According […], Scientists typically refer to the rise in global average temperature and the associated effects on Earth’s climate with the term […], Triacetone triperoxide (TATP) is a powerful explosive without military use because it is very sensitive to mechanical shock and so […], For most people, amphibians (e.g. The ringed seal is … The captured bird is thrashed about on the water until its skin peels away. For the seal, see Leopard Seal. Males are massive, weighing up to 8,500 lbs. In brief, sea lions are capable of walking on all fours, tend to be a little larger, and have discernable ear flaps. Kim Hulse, National Geographic Society That’s the short answer, but let’s go over the two animals in more detail, as it will help distinguish the two from one another. 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. 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. Perhaps it’s because there’s a lot of very cool folklore about it.” — Delia Sherman. Seals lack an external ear flap whereas sea lions have an external ear flap that is visible. The pinniped suborder has 33 species in three families. (Possible answers: Seals do not have ear openings; sea lions do. It's even possible that a seal might to try to reproduce with a sea lion. “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. Discuss how these features relate to swimming in cold water. By contrast, seals flop and scoot around on their stomachs while on land and don’t have noticeable ear flaps. 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. 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. Have students compare the two drawings and list at least two features that seals and sea lions share. 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. Which will dominate in a confrontation? A sea lion’s ability to vocalize also helps a mother find her own pup in a thick crowd of other sea lion pups. Taxonomy enables scientists to make sense of the millions of kinds of living things and see how they are related. Seals are quieter, vocalizing via soft grunts. Seals and sea lions are both mammals. It’s understandable since their names and appearance have certain similarities. 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. True seals don’t have visible ear flaps, though animals like fur seals are sometimes called referred to as eared seals. "Remember dumplings, I know where you live." California sea lions are the "trained seal" of marine parks and circuses. Want more Science Trends? Give each student a copy of the worksheet Seals and Sea Lions: Compare and Contrast. National Geographic Headquarters Dr. Mike Heithaus and others try to tranquillize a lion. They can be found all around the globe, from subarctic water to warmer tropical waters. Seals have shorter front flippers; sea lions have longer front flippers.) How can you tell the two apart? Seals are smaller than sea lions; male Stellar sea lions can grow to be up to 2,200 pounds. The Japanese sea lion went extinct in the 1950s. Science Trends is a popular source of science news and education around the world. 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 Rights Holder for media is the person or group credited. The sea lion has a big weight advantage. They can rotate under the sea lion's body and support it, enabling the sea lion to "walk" with the flippers on land. , seals flop and scoot around on their leopard seal vs sea lion, similar to a lions.... Your project or classroom presentation, please read our Terms of Service ( infamous? making a wide of... There is a Great time to learn scientific breakthroughs lions also have a crest... The leopard seal and southern elephant seal lion `` bark '' flaps, though they can swim longer... Very leopard seal vs sea lion lives making a wide range of barking and grunting noises of two animals that look similar belong. 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