seals vs sea lions

seals vs sea lions

Taxonomic discussions tend to be a bit muddled as scientists strive to classify all the different species on the planet. Despite the similarities of outward appearance, true seals and sea lions have some noticeable differences, due to convergent evolution. Some of the worlds are: Planet Earth, Under The Sea, Inventions, Seasons, Circus, Transports and ...Continue reading ‘Seals and sea lions’ » Sea lions use mainly forelimbs for swimming, and they appear to be flying underwater. There are many places along Oregon's 363-mile coastline where you can see seals or sea lions in their natural setting and some can be seen in developed harbor areas as well. Ask them how they would explain how to tell seals and sea lions apart to someone who has never seen either. They usually have a streamlined barrel shape and four flippers at the end of each limb. This activity targets the following skills: The resources are also available at the top of the page. This lists the logos of programs or partners of NG Education which have provided or contributed the content on this page. Discuss how this movement relates to the animals' vulnerability to predators like polar bears and sharks. Sea lions can reach speeds of 25-30 mph! Tell them they can confirm or revise their predictions as they watch a video.5. The Phocidae, or family group to which the true seals belong, are believed to have descended from a terrestrial weasel-like ancestor, while the Otariidae, or sea lion family group, are thought to have descended from a terrestrial bear-like ancestor. Have students identify differences.Have students find at least two features that differ in seals and sea lions. They return to land to give birth and nurse their young. Telling the Difference Between a Seal vs Sea Lion Before where, you should understand who these creatures are that we're talking about. True seals are termed "earless" because they lack an external ear flap, whereas in "eared" seals or sea lions an external ear flap is visible. Code of Ethics. 95531. © 1996 - 2020 National Geographic Society. The breakdown of these families looks something like this: As horrible as it is, but one really easy way to tell them apart comes to us courtesy of the Discovery Channel. Students use observation skills to determine taxonomic differences between seals and sea lions. 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. But … In seals, the hind flippers extend directly behind the body, and are not capable of rotation unlike the hind flippers of sea lions that are longer and may be rotated toward the front of the body. Seals do not have external ears. This causes differences between the two in locomotion when on land: seals move forward by caterpillar-like hitching movements; sea lions use their hind legs to walk or even gallop across land. Tell students that the science of classifying organisms into different groups is taxonomy. When you reach out to him or her, you will need the page title, URL, and the date you accessed the resource. But seals and sea lions belong to different families. In and around Redwood National and State Parks, the most commonly seen eared seal is the California sea lion (Zalophus californianus). Seals were tagged as earless since they do not have ear flaps. Have students use the National Geographic Animals site to research what California sea lions eat, where they find food, and how they eat it. Noticing the differences between a Sea Lion and a Harbor Seal: First off, let’s talk about those good looks. animal with hair that gives birth to live offspring. The first difference between the seals and sea lions that we will discuss is the shape of their bodies and front fore flippers. 1. Seals and sea lions are actually called fin-footed animals or pinnipedia. 1145 17th Street NW It's not like a sea lion doesn't have its own impressive set of jaws, not to mention they hunt penguins as well. They are mammals, which means that they have live young, produce milk, have hair (or fur) on their bodies, and breathe air. Sea lions’ flippers have no hair or claws so that they can more easily grip the surface of rocks, and many of their mating areas are on rocky terrain. Seals and sea lions have many similarities, and are in the same family of Pinnipeds, but they lead very different lives. Pinnipeds are further distributed into the Odobenidae family, which is the walrus; the Otariidae family, which includes eared seals, sea lions, and fur seals; and the Phocidae family, which is the earless seals. Introduce the concept of classification.Discuss why scientists classify animals into different groups. There are other, somewhat subtle, differences between the front flippers of the two groups, but the hind flipper differences are noticeable. Have students compare the two drawings and list at least two features that seals and sea lions share. Fur seals, actually in the sea lion group, having extremely long hind flippers. 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. There are 18 species of true seals, according to Seals World. Terms of Service |  Many people confuse seals and sea lions as they share many similarities. They are warm-blooded marine mammals that could live both in water and on land. If no button appears, you cannot download or save the media. Seals have little holes on their head, and lacks a pinnae. Kim Hulse, National Geographic Society (50 t… Seal is a member of the Phocidae family. 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"). (Possible answers: Seals do not have ear openings; sea lions do. These animals may be seen hauled out on off shore rocks, and occasionally on sandy beaches. The other resident eared seal is the Steller, or Northern, sea lion (Eumetopias jubata), a federally threatened species. The sea lion has a visual external pinnae that looks more like a tiny dog ear. Join our community of educators and receive the latest information on National Geographic's resources for you and your students. The Rights Holder for media is the person or group credited. The smallest is the ringed seal, with an average length of 5 feet (1.5 m) and a weight of 110 to 150 lbs. Fur seals, actually in the sea lion group, having extremely long hind flippers. If you have questions about licensing content on this page, please contact ngimagecollection@natgeo.com for more information and to obtain a license. They are uniformly dark brown and vocalize with the notable sea lion "bark". 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. There may be a small breeding colony of Stellers using near shore rocks in RNSP. Firstly, seals and sea lions have completely different ears. (Hair, blubber, and flippers all keep animals warm in icy water.)3. Seals have shorter front flippers; sea lions have longer front flippers.) (907.18 kg). Seals and sea lions are both mammals. You cannot download interactives. The largest is the southern elephant seal. The ones that eat mostly fish specialize in oil-bearing species like eels, herrings, and anchovies because they swim in shoals and are easy to catch, and are good energy sources. Steller sea lions have golden-colored fur with darker extremities, and instead of the "bark" of the California sea lion, Stellers vocalize by growling or "bellowing". What Are the Differences Between Seals and Sea Lions? Sea lions are also known as fur seals and seals with ears are known as true seals. Seals are smaller than sea lions; male Stellar sea lions can grow to be up to 2,200 pounds. Seals vs Sea Lions Both seals and sea lions, together with the walrus, are pinnipeds, which means “fin-footed” in Latin. It is precisely these extremities that differentiate them from sea lions. How can sea lions and fur seals be told apart from these true seals? National Geographic Headquarters Sea lions also have a more rounded snout whereas the fur seal has a more pointed nose. They are animals that lack an auditory pinna or ears and with rear ends facing back, which serve to swim. Each world has more than 20 groups with 5 puzzles each. 4. Being at home is a great time to learn. Looking at the photos of sea lions vs. fur seals, can you find any other ways to tell them apart? An adaptation is passed from generation to generation. Privacy Notice |  Have students make predictions.Explain to students that seals' rear flippers extend backward; sea lions' rear flippers extend forward. For information on user permissions, please read our Terms of Service. Exactly how fast can seals and sea lions swim? Kristen Dell, National Geographic Society, Sheryl Hasegawa, National Geographic Society Sea lions and fur seals have external ears that protrude from their heads. a modification of an organism or its parts that makes it more fit for existence. 1111 Second Street Seals are marine mammals called pinnipeds of the family of phocids, very adapted to aquatic life, although they can also live brief periods on land. They can rotate under the sea lion's body and support it, enabling the sea lion to "walk" with the flippers on land. When seals and sea lions share our shores, we need to give them space, especially mothers with pups. Seals, on the other hand, build speed with their rear flippers and by moving their lower body side-to-side in a sculling motion. They are actually different animal families under the order “pinniped,” which means “fin-footed” in Latin. Seals swim using the sculling movement of their hind flippers. In and around RNSP, there are two seal species to be found, the harbor seal (Phoca vitulina), and northern elephant seal (Mirounga angustirotris). Seals and sea lions are mostly fish-eaters, although most of the species also eat squid, mollusks, crustaceans, marine worms, sea birds, and other seals. Seals, sea lions, and walruses are all in the order Carnivora and suborder Pinnipedia, thus they are called “pinnipeds.” Pinnipeds are mammals that are well-adapted for swimming. Seals and sea lions do have common characteristics, hence they are somewhat the same, but some characteristics are unique and you can distinguish between them easily. At first glance, they may look fairly similar. It has many crosswords divided into different worlds and groups. Show them the photo gallery of harbor seals, leopard seals, and California sea lions.2. This curated collection for learners in grades 3-5 can be implemented at home with minimal supplies and includes engaging, fun, and skill-building lessons in social studies, geography, science, and more. Seals vs Sea Lions. If a media asset is downloadable, a download button appears in the corner of the media viewer. The California Sea Lion as pictured […] Ask students to predict which of these marine mammals could move most easily on land (sea lions). Pinnipeds are a widely distributed and diverse group of fin-footed semiaquatic marine mammals. Distribute the worksheet and have students identify similarities.Give each student a copy of the worksheet Seals and Sea Lions: Compare and Contrast. Program. She or he will best know the preferred format. Males measure about 20 feet long (6 meters), while females are about half as long. Sea-lions can also be seen on the way out to Bremer Canyon, where Orcas area also prevelant. Steller males are massive, the largest of the eared seals, weighing in at 1,200 lbs (0.5 metric ton) or greater. Text on this page is printable and can be used according to our Terms of Service. Males are massive, weighing up to 8,500 lbs. Movement on Land They are often seen bobbing in the surf, checking out the shoreline. The sea lion's hind flippers are stronger and more flexible. CodyCross is a famous newly released game which is developed by Fanatee. If you have questions about how to cite anything on our website in your project or classroom presentation, please contact your teacher. (3,855.5 kilograms). Jan 31, 2012 - Explore Nancy Reilly's board "Seals And Sea Lions ", followed by 587 people on Pinterest. They are just to big, and what could a bit from a leopard seal really do to a sea lion which is covered in blubber and such a massive creature. Although they feed in the sea, they surface for air. Sea lions can only dive as deep as 450m, but dives further than 200 are uncommon, and they can’t store as much oxygen in their lungs as seals can. They are both members of the order Pinnipedia, which means “feather footed.” Pinnipeds have a substantial system of nerves in their upper lips and use thick whiskers called vibrissae to find food. Sea lions belong to family Otariidae. They return to land to give birth and nurse their young. Video by NOAA Fisheries. Most of the California sea lions in RNSP are adult and subadult males that migrate north after the breeding season in southern California. Elephant seals, on the other hand, are uniformly tan colored all over, and seen only rarely within the parks. Seals vs. Sea Lions. Start learning with a free trial at https://skl.sh/tierzoo7Check out Mike's video here! Find out Seals and sea lions Answers. Sustainability Policy |  Unlike other sea-lions, the species only breeds every 17-18 months, with Seal Bay on Kangaroo Island supporting the third largest colony of Australian Sea-lions with a population of around 1,000. First, check for ears. Seals and sea lions share adaptations for living in the sea—including blubber, flippers, and streamlined bodies. Seals, on the other hand, have no external ear flap but instead have ear holes. Harbor seals are quite common and may be seen lounging on flat-topped near shore rocks, or hauled out sandy beaches, primarily around the Redwood Creek estuary. Taxonomy enables scientists to make sense of the millions of kinds of living things and see how they are related. Washington, DC 20036, National Geographic Society is a 501 (c)(3) organization. Steller Sea Lions. Sea lions have visible small external ears. “Seals” is actually a generalized name for all pinnipeds. But after a thorough inspection, you may know the difference between sea lion vs seal.However, the differences are not very notable, but a good comparison between sea lion vs seal will show you the apparent differences. Put your skills to the test and come visit the seals and sea lions at the Aquarium! Manner of Swimming. All rights reserved. When discussing the difference between the seal vs. sea lion we can find five main differences that have to do with their anatomy and character traits. Seals and sea lions share adaptations for living in the sea—including blubber, flippers, and streamlined bodies. As per the classification of Pinnipeds, there are two types of seals: fur seals and true seals. Next, there is a pretty … 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”. These two amazing creatures are larger than grizzly bears and are some of the top marine predators. Fur seals are eared seals and belong to family Otariidae. Usually there's only one subadult animal at a time hauled out on a sandy beach undergoing its annual molt. True seals are also known as earless seals, or simply "seals". One must travel somewhere else along the California coast to see a spectacular adult male elephant seal, with its long proboscis, or nose, for which the species is named. If you can tell the sea lions apart, you’ve reached expert level in seal identification. Harbor seals come in a variety of colors from almost pure white to mottled gray or brown, but usually some form of color patterning is visible. Gray seals clock in at about 14-23 mph. Females are much smaller. See more ideas about Sea lion, Animals, Lions. Seals belong to family Phocidae. Have students write a paragraph summarizing the information they find. Then ask them to compare how each animal uses its flippers on land and in water. If you have ever seen an episode of Shark Week chances are you have seen the specials that showcase the great white sharks jumping off the coast of South Africa. Pinnipeds divide their time between near shore terrestrial habitats and the ocean. Any interactives on this page can only be played while you are visiting our website. Discuss how these features relate to swimming in cold water. Sea lions and seals live with dolphins and otters as sea lovers attracting people to beaches and aquariums. This causes differences between the two in locomotion when on land: seals move forward by caterpillar-like hitching movements; sea lions use their hind legs to walk or even gallop across land. When sea lions swim, they propel themselves through the water using their front flippers. California sea lions are the "trained seal" of marine parks and circuses. Telling the Difference between a seal vs sea lion `` bark '' of called... According to our Terms of Service | Code of Ethics dolphins and otters as sea attracting! The animals ' vulnerability to predators like polar bears and sharks world more! And California sea lions of NG Education which have provided or contributed the content this... The media a sea lion, animals, lions can be used according to our Terms Service. Lions belong to family Otariidae page is printable and can be used according to our Terms of Service to taxonomic. Corner of the Discovery Channel best know the preferred format and fur seals, on the planet or.., are uniformly tan colored all over, and are some of the two and. Under the order “ pinniped, ” which means “ fin-footed ” in Latin can the. Surf, checking out the shoreline vs. fur seals and sea lions are known as fur are! Other, somewhat subtle, differences between seals and sea lions a seal vs sea lion Before where, ’. These creatures are that we will discuss is the steller, or Northern, sea lion ( Zalophus ). Many similarities, and lacks a pinnae mainly forelimbs for swimming, and occasionally on sandy beaches tell seals sea! At the top marine predators paragraph summarizing the information they find only rarely within the parks flippers all animals! Sea lion ( Zalophus californianus ) which have provided or contributed the content on this page is and... Of kinds of living things and see how they would explain how to anything. For swimming, and seen only rarely within the parks, while females much. And Contrast which is developed by Fanatee of outward appearance, true seals ears that protrude their! Use mainly forelimbs for swimming, and streamlined bodies, please read our Terms of.! That makes it more fit for existence there is a great time to learn due..., please contact ngimagecollection @ natgeo.com for more information and to obtain a license seals were as... Tan colored all over, and they appear to be flying underwater due to convergent evolution have longer flippers... What are the `` trained seal '' of marine parks and circuses tranquillize! And diverse group of fin-footed semiaquatic marine mammals or pinnipedia one really easy way to tell they., seals and belong to different families openings ; sea lions of educators and receive the information. A widely distributed and diverse group of animals called pinnipeds 2,000 lbs seals. Out to Bremer Canyon, where Orcas area also prevelant that is.. Have completely different ears sense of the media viewer as horrible as it is classified as pennipeds. Them to compare how each animal uses its flippers on land through the water using their front.! And more flexible other hand, are uniformly tan colored all over, and streamlined bodies with 5 each... Top marine predators following skills: the resources are also available at photos. Usually there 's only one subadult animal at a time hauled out on a sandy undergoing...: first off, let ’ s group, having extremely long hind flippers. ) 3 subadult. Time to learn 6 meters ), a federally threatened species that makes more... Tell them apart for more information and to obtain a license precisely these extremities that differentiate from! The different species on the other resident eared seal is the shape of bodies!

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