Sea lions are very vocal in comparison to seals, capable of making a wide range of barking and grunting noises. "This is very weird because it's hair and feathers, mammals and birds," he … This activity targets the following skills: The resources are also available at the top of the page. While they are often food for sharks, they are also deadly predators, especially in the cold climates like Antarctica. New Zealand examples include the leopard seal and southern elephant seal. Have students compare the two drawings and list at least two features that seals and sea lions share. for arguing that human beings necessarily always act in their own self-interest. Taxonomy enables scientists to make sense of the millions of kinds of living things and see how they are related. 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Cahill, Middle School Science Coordinator, The Potomac School, McLean, VA, Special thanks to the National Geographic Museum, adapted from National Geographic “Crittercam Educator Activities”. Introduce the concept of classification.Discuss why scientists classify animals into different groups. All are carnivores that hunt at sea — often for fish and squid — and breed on land; mostly in large, noisy colonies. If you have ever seen an 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. There are 18 species of true seals, according to Seals World. You cannot download interactives. Which will dominate in a confrontation? 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. For the seal, see Leopard Seal. How can you tell the two apart? 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. Start learning with a free trial at https://skl.sh/tierzoo7Check out Mike's video here! Sea lions and seals are both part of the group known as pinnipeds. By contrast, seals flop and scoot around on their stomachs while on land and don’t have noticeable ear flaps. Seals, sea lions and walruses are marine mammals and belong to the order pinnipedia. The family otariidae contains 14 species, including the fur seals and sea lions. Have students make predictions.Explain to students that seals' rear flippers extend backward; sea lions' rear flippers extend forward. The pinniped suborder has 33 species in three families. 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. PLA22-21 The Antarctic Peninsula Basecamp cruise offers you a myriad of ways to explore and enjoy the Antarctic Region. 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. In the case of sea lions, the males can be almost four times larger than females when adults. And, It eats the dead seal. A sea lion’s ability to vocalize also helps a mother find her own pup in a thick crowd of other sea lion pups. We love feedback :-) and want your input on how to make Science Trends even better. Sea lions also have a more rounded snout whereas the fur seal has a more pointed nose. The Galapagos fur seal belongs to a genus of fur seals called Arctocephalus (or Arctophoca), meaning bear-headed. Seals are quieter, vocalizing via soft grunts. 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). Third, sea lions are noisy. 4. 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. However, they are not nearly as innocent as you’d like to believe. When you reach out to him or her, you will need the page title, URL, and the date you accessed the resource. National Geographic Headquarters True seals don’t have visible ear flaps, though animals like fur seals are sometimes called referred to as eared seals. There are 33 species of pinnipeds, divided into three families. Its only natural predator is the killer whale. 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 heads and front flippers are extremely large in comparison to other phocids. Let’s sort out the taxonomy first. 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. The ringed seal is … 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. Sea lions need to eat quite a bit of meat every day to thrive, sometimes consuming up to 50 pounds of squid or fish in a single day. Leopard seals are second only amongst seal species to elephant seals in terms of size. Kristen Dell, National Geographic Society, Sheryl Hasegawa, National Geographic Society Seals and sea lions have many similarities, and are in the same family of Pinnipeds, but they lead very different lives. Distribute the worksheet and have students identify similarities. Want to know more? 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. Sea lions are part of the family Otariidae, along with fur seals. Give each student a copy of the worksheet Seals and Sea Lions: Compare and Contrast. Behind the Scenes of Our January 2021 Special Issue, ‘2020: The Year in Pictures’ Seals lack an external ear flap whereas sea lions have an external ear flap that is visible. Then, The orca and leopard seal both swim back into the sea. New Zealand examples are the New Zealand fur seal and New Zealand sea lion. 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. Dr. Mike Heithaus and others try to tranquillize a lion. 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. They are more mobile on land than true seals, though they can’t swim for as long as true seals can. New Zealand examples are the New Zealand fur seal and New Zealand sea lion. Privacy Notice | Seals, like the gray seal and harbor seal, typically have shorter flippers than their sea lion cousins. '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. Sea lions range mainly from light to dark brown, with a streamlined body. Source: Leopard Seal Hunting Gentoo Penguins, Richard Sidey Seals and sea lions are often portrayed as innocent puppy dogs of the sea. She or he will best know the preferred format. We help hundreds of thousands of people every month learn about the world we live in and the latest scientific breakthroughs. Have students use the National Geographic Animals site to research what California sea lions eat, where they find food, and how they eat it. "Remember dumplings, I know where you live." The pup can recognize its mother by her distinct vocalization, and it likewise has its own unique vocalization that the mother can recognize. Don’t say goodbye. Science Trends is a popular source of science news and education around the world. Distribute the worksheet and have students identify similarities. The sea lion definitely has the weight advantage. However, the leopard seal has those predator jaws and is used to killing penguins and other seals. Males measure about 20 feet long (6 meters), while females are about half as long. Although they feed in the sea, they surface for air. * The leopard seal is a couple of feet longer. Also, sea lions are just plain noisy, whereas seals are a bit quieter. California sea lions are the "trained seal" of marine parks and circuses. © 1996 - 2021 National Geographic Society. Sea lions who make their homes in warmer, tropical waters like the South American sea lion, tend to be smaller than those which make their home in colder waters. The Galapagos fur seal and the Galapagos sea lion are actually quite closely related, and come from the same family: “Otariidae” which means “eared seal”. And seals are both part of everyday life even better with a free trial at https: out... Ear flaps and are better adapted to swimming for long periods than sea lions ; male Stellar sea.! A sagittal crest, leopard seal vs sea lion Northern, sea lions are very vocal in to... 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