Seals vs. Sea Lions. 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”. 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. a modification of an organism or its parts that makes it more fit for existence. If no button appears, you cannot download or save the media. It is classified as earless pinnipeds and is closely related to sea lion and walrus. 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. Program. Exactly how fast can seals and sea lions swim? Tell students that the science of classifying organisms into different groups is taxonomy. They are warm-blooded marine mammals that could live both in water and on land. The smallest is the ringed seal, with an average length of 5 feet (1.5 m) and a weight of 110 to 150 lbs. Then ask them to compare how each animal uses its flippers on land and in water. 1. Pinnipeds are a widely distributed and diverse group of fin-footed semiaquatic marine mammals. Seals and sea lions share adaptations for living in the sea—including blubber, flippers, and streamlined bodies. When seals and sea lions share our shores, we need to give them space, especially mothers with pups. Seals have little holes on their head, and lacks a pinnae. Steller males are massive, the largest of the eared seals, weighing in at 1,200 lbs (0.5 metric ton) or greater. For information on user permissions, please read our Terms of Service. They are often seen bobbing in the surf, checking out the shoreline. Seals vs. Sea Lions. It has many crosswords divided into different worlds and groups. 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. Sea lions can reach speeds of 25-30 mph! Steller Sea Lions. 11 Jul, 2018 Seals and sea lions are found in many of America’s national marine sanctuaries. Steller sea lions (Eumetopias jubatus) were once abundant and commonly seen at Point Lobos as recently as the 1950’s. Students use observation skills to determine taxonomic differences between seals and sea lions. 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. Both types of seals, sea lions and walruses are all considered to be in the suborder Pinnipedia, which is usually translated as \"fin-footed\" or \"feather-footed.\" Pinnipeds (within the order Carnivora) consist of three families. Any interactives on this page can only be played while you are visiting our website. 1111 Second Street 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. 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"). Have students write a paragraph summarizing the information they find. 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. animal with hair that gives birth to live offspring. 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. 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". 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. Watch and discuss the video.Show students the video of leopard seals. In and around Redwood National and State Parks, the most commonly seen eared seal is the California sea lion (Zalophus californianus). 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. 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. (Hair, blubber, and flippers all keep animals warm in icy water.)3. Each world has more than 20 groups with 5 puzzles each. 4. 95531. Seals vs Sea Lions Both seals and sea lions, together with the walrus, are pinnipeds, which means “fin-footed” in Latin. As horrible as it is, but one really easy way to tell them apart comes to us courtesy of the Discovery Channel. Show them the photo gallery of harbor seals, leopard seals, and California sea lions.2. Usually there's only one subadult animal at a time hauled out on a sandy beach undergoing its annual molt. 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. 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. Seals belong to family Phocidae. 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. This activity targets the following skills: The resources are also available at the top of the page. The sea lion's hind flippers are stronger and more flexible. Taxonomic discussions tend to be a bit muddled as scientists strive to classify all the different species on the planet. They are animals that lack an auditory pinna or ears and with rear ends facing back, which serve to swim. © 1996 - 2020 National Geographic Society. So, unlike fur seals and sea lions, the true seals … Discuss how these features relate to swimming in cold water. When sea lions swim, they propel themselves through the water using their front flippers. 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. Seals and sea lions are both mammals. Gray seals clock in at about 14-23 mph. Males measure about 20 feet long (6 meters), while females are about half as long. (50 t… 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. Taxonomy enables scientists to make sense of the millions of kinds of living things and see how they are related. Being at home is a great time to learn. The first difference between the seals and sea lions that we will discuss is the shape of their bodies and front fore flippers. In and around RNSP, there are two seal species to be found, the harbor seal (Phoca vitulina), and northern elephant seal (Mirounga angustirotris). Despite the similarities of outward appearance, true seals and sea lions have some noticeable differences, due to convergent evolution. They are mammals, which means that they have live young, produce milk, have hair (or fur) on their bodies, and breathe air. Seals swim using the sculling movement of their hind flippers. There are 18 species of true seals, according to Seals World. This lists the logos of programs or partners of NG Education which have provided or contributed the content on this page. 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. The other resident eared seal is the Steller, or Northern, sea lion (Eumetopias jubata), a federally threatened species. There may be a small breeding colony of Stellers using near shore rocks in RNSP. This is why scientists refer to species in the family Otariidae as eared seals. At first glance, they may look fairly similar. Seals lack an external ear flap whereas sea lions have an external ear flap that is visible. Some of the worlds are: Planet Earth, Under The Sea, Inventions, Seasons, Circus, Transports and ...Continue reading ‘Seals and sea lions’ » 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. 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. There are other, somewhat subtle, differences between the front flippers of the two groups, but the hind flipper differences are noticeable. They are actually different animal families under the order “pinniped,” which means “fin-footed” in Latin. It's not like a sea lion doesn't have its own impressive set of jaws, not to mention they hunt penguins as well. Introduce the concept of classification.Discuss why scientists classify animals into different groups. Have students identify differences.Have students find at least two features that differ in seals and sea lions. Discuss how this movement relates to the animals' vulnerability to predators like polar bears and sharks. Females are much smaller. You cannot download interactives. Many people confuse seals and sea lions as they share many similarities. Text on this page is printable and can be used according to our Terms of Service. 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. 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. These two amazing creatures are larger than grizzly bears and are some of the top marine predators. Terms of Service |  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. Fur seals, actually in the sea lion group, having extremely long hind flippers. Although they feed in the sea, they surface for air. Start learning with a free trial at https://skl.sh/tierzoo7Check out Mike's video here! CodyCross is a famous newly released game which is developed by Fanatee. (3,855.5 kilograms). If you have questions about how to cite anything on our website in your project or classroom presentation, please contact your teacher. Sea lions belong to family Otariidae. Ask students to think of an example of two animals that look similar but belong to different families. But seals and sea lions belong to different families. Seals vs Sea Lions. Manner of Swimming. Seals and sea lions share adaptations for living in the sea—including blubber, flippers, and streamlined bodies. The seals are classified as earless pennipeds while the sea lions are classified as eared pennipeds. Fur seals are eared seals and belong to family Otariidae. Seals were tagged as earless since they do not have ear flaps. 1145 17th Street NW The breakdown of these families looks something like this: Sea-lions can also be seen on the way out to Bremer Canyon, where Orcas area also prevelant. Seals, on the other hand, build speed with their rear flippers and by moving their lower body side-to-side in a sculling motion. California sea lions are the "trained seal" of marine parks and circuses. Code of Ethics. They return to land to give birth and nurse their young. When you reach out to him or her, you will need the page title, URL, and the date you accessed the resource. Ask students to predict which of these marine mammals could move most easily on land (sea lions). Although they feed in the sea, they surface for air. Telling the Difference Between a Seal vs Sea Lion Before where, you should understand who these creatures are that we're talking about. Sea lions and fur seals have external ears that protrude from their heads. 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. She or he will best know the preferred format. The Rights Holder for media is the person or group credited. Males are massive, weighing up to 8,500 lbs. It is precisely these extremities that differentiate them from sea lions. Female mammals produce milk to feed their offspring. 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. Join our community of educators and receive the latest information on National Geographic's resources for you and your students. They usually have a streamlined barrel shape and four flippers at the end of each limb. 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. Sea lions use mainly forelimbs for swimming, and they appear to be flying underwater. External Ear. Pinnipeds divide their time between near shore terrestrial habitats and the ocean. Movement on Land The largest is the southern elephant seal. “Seals” is actually a generalized name for all pinnipeds. As per the classification of Pinnipeds, there are two types of seals: fur seals and true seals. Most of the California sea lions in RNSP are adult and subadult males that migrate north after the breeding season in southern California. An adaptation is passed from generation to generation. 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. Seals and sea lions have many similarities, and are in the same family of Pinnipeds, but they lead very different lives. If you have questions about licensing content on this page, please contact ngimagecollection@natgeo.com for more information and to obtain a license. They can rotate under the sea lion's body and support it, enabling the sea lion to "walk" with the flippers on land. The California Sea Lion as pictured […] 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. Kristen Dell, National Geographic Society, Sheryl Hasegawa, National Geographic Society Crescent City, CA Sea lions are also known as fur seals and seals with ears are known as true seals. Kim Hulse, National Geographic Society Fur seals are occasionally seen off the RNSP coastline farther out to sea, however, they do not come ashore here, and breed in the far northern Pacific. Sea lions have visible small external ears. Next, there is a pretty … Have students make predictions.Explain to students that seals' rear flippers extend backward; sea lions' rear flippers extend forward. Video by NOAA Fisheries. The sea lion has a visual external pinnae that looks more like a tiny dog ear. Jan 31, 2012 - Explore Nancy Reilly's board "Seals And Sea Lions ", followed by 587 people on Pinterest. Females are much smaller, but still weigh more than a car at 2,000 lbs. They return to land to give birth and nurse their young. Seals do not have external ears. 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. Elephant seals, on the other hand, are uniformly tan colored all over, and seen only rarely within the parks. Privacy Notice |  How can sea lions and fur seals be told apart from these true seals? (907.18 kg). Seals and sea lions are members of the pinniped family and the Oregon Coast is home to Harbor Seals, Steller Sea Lions, California Sea Lions and Northern Elephant Seals, some of which can be seen year-round. Put your skills to the test and come visit the seals and sea lions at the Aquarium! 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. Ask them how they would explain how to tell seals and sea lions apart to someone who has never seen either. First, check for ears. Difference Between Seal and Sea Lion Classification. Dr. Mike Heithaus and others try to tranquillize a lion. Seals and sea-lions, together with the walrus, are in the group of animals called pinnipeds. 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. National Geographic Headquarters Distribute the worksheet and have students identify similarities.Give each student a copy of the worksheet Seals and Sea Lions: Compare and Contrast. All rights reserved. Seals are smaller than sea lions; male Stellar sea lions can grow to be up to 2,200 pounds. Have students use the National Geographic Animals site to research what California sea lions eat, where they find food, and how they eat it. But … Phocidae species can be called earless seals. If you can tell the sea lions apart, you’ve reached expert level in seal identification. America ’ s National marine sanctuaries appearance, true seals visit the seals are eared.. With ears are known seals vs sea lions eared pennipeds the largest of the media resources for and. The way out to Bremer Canyon, where Orcas area also prevelant divide their between. ), while females are much smaller, but one really easy way to tell them they can or! Tell seals and sea seals vs sea lions ``, followed by 587 people on Pinterest people beaches. That could live both in water and on land and in water. ) 3 discuss video.Show. Northern, sea lion Before where, you can tell the sea lions also have a rounded! 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