If no button appears, you cannot download or save the media. Photograph by Bates Littlehales, National Geographic. The largest rivers can be thousands of miles long. Sea Otters Facts and Photos. © 1996 - 2021 National Geographic Society. The mammal is found all throughout the waterways and coasts of North America. Terms of Service |  In the winter, otters have found the easiest and perhaps most fun way to get around is by sliding. Nilsson (1980) reviewed the status of otters … Rivers that overflow their banks also deposit sediment in the surrounding flood plain. Also called hydroelectric energy or hydroelectric power. It is known as the common otter or northern river otter. 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. Teach your students about the Earth’s rivers and streams with the resources in this collection. Of that, only about 1.2 percent can be used as drinking water; the rest is locked up in glaciers, ice caps, and permafrost, or buried deep in the ground. Sep 30, 2011 - Learn the purpose of the playful otter’s riverside games. The Colorado river flowing through the Grand Canyon. Soon, she'll send him on his way. They generally live along rivers, as their name implies, but they're also found near streams and lakes. A river is a ribbon-like body of water that flows downhill from the force of gravity. Fast-flowing rivers carry pebbles, sand, and silt. © 1996 - 2021 National Geographic Society. Code of Ethics. This semiaquatic mammal has the weight of 11 to 30.9 lb or 5 to 14 kilograms. Rivers are found on every continent and on nearly every kind of land. Gina Borgia, National Geographic Society For fun he likes to chew his Frisbee and climb in and out of his plastic playhouse. community and interactions of living and nonliving things in an area. River otters are aquatic mammals. Washington, DC 20036, National Geographic Society is a 501 (c)(3) organization. Giant river otters check out the scenery in Kapoeri Creek, Suriname. Monitoring the health of rivers, lakes, and streams is important work that is conducted by scientists called limnologists. This source is called a headwater. A river is a large body of fresh, flowing water. Its diet includes birds, small rodents, frogs, crabs, and fish. The North American river otter's clawed, webbed feet are useful on land and in the water. A river can be wide and deep, or shallow enough for a person to wade across. The headwater can come from rainfall or snowmelt in mountains, but it can also bubble up from groundwater or form at the edge of a lake or large pond. To crack open hard-shelled prey, the otters smash them on stone anvils. Rivers only hold a small amount of the Earth’s water, but they have always been vital to human life, carrying freshwater to people and animals all over the world. Earth Science, Climatology, Geology, Geography. From each river’s source, the water meanders through the landscape meeting up with other streams and shaping civilization as we know it. This can occur when there is a large amount of rain, rapid snow or ice melt, a blast of water onto a coastline during a storm, or the failure of manmade infrastructures, such as dams or levees. River otters eat aquatic animals, which are animals that live in the water, like crabs and catfish. If a media asset is downloadable, a download button appears in the corner of the media viewer. 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. Using archaeology, a new study… more Sea otters can eat up to 75 mussels per hour. Each of these uses can affect the health of a river and its surrounding ecosystems. Collectively, scientists estimate that all the rivers in the world carry about 3.6 billion metric tons (four billion tons) of salt from land to the ocean each year. River otters are in their elements. Sea otters can eat up to 75 mussels per hour. Only about three percent of Earth’s water is freshwater. The river otter is protected and insulated by a thick, water-repellent coat of fur. For this reason, some of the most biodiverse habitats on our planet can be found around rivers. I am going to offer some of the most interesting and rarely known river otter facts and that includes river otter habitat, diet, reproduction, and behavior. mouth of a river where the river's current meets the sea's tide. Washington, DC 20036, National Geographic Society is a 501 (c)(3) organization. Prior to settlement of North America by Europeans, otters were widespread among aquatic habitats throughout most of the continent (Hall 1981). Otters prefer water bordered by … Photograph by Bates Littlehales, National Geographic. Learn all about them with our fascinating facts about rivers! In Egypt, for example, the Nile River and its adjacent delta helped give rise to the Egyptian empire that built the pyramids. For information on user permissions, please read our Terms of Service. Females retreat to their underground dens and deliver litters of one to six young. But it's not frozen yet, so they'll feed here while they can. "But he still likes to suck his tail and toes like a baby!" People also call it North American river otter. 6 TEACHER'S GUIDE Scout and Voyager Vol. The North American river otter (Lontra canadensis), also known as the northern river otter or common otter, is a semiaquatic mammal endemic to the North American continent found in and along its waterways and coasts. The river otter also called northern river otter belongs to the family of Mustelidae. However, rivers still carry and distribute important salts and nutrients to support plant and animal life. The habitats that freshwater ecosystems provide consist of lakes, rivers, ponds, wetlands, streams, and springs. But he must learn to fend for himself. power generated by moving water converted to electricity. The water that flows in rivers is fresh, meaning that it contains less than one percent salt. If a media asset is downloadable, a download button appears in the corner of the media viewer. Can River Otter Fight Back Against Coyote?|National Geographic 19 No. These otters have brown-to-gray fur, and their undersides are a lighter, silvery shade. North American River Otters Pictures And Facts - National Geographic Posted by Unknown | at 00:31 No comments. Now Charlie is acting like a normal river otter: He swims and dives in his pool instead of just floating on the surface. If you have questions about how to cite anything on our website in your project or classroom presentation, please contact your teacher. Jeanna Sullivan, National Geographic Society, Sarah Appleton, National Geographic Society Sustainability Policy |  While river otters mostly live off fish, crayfish and crabs, sea otters have a more interesting method of sustaining themselves. She or he will best know the preferred format. You cannot download interactives. Sea otters are known for their remarkable ability to use rocks to smash open shellfish to fill their stomachs. The Rights Holder for media is the person or group credited. Scientists know river otters use their eyesight and whiskers to hunt underwater. About National Geographic Society The National Geographic Society is a global nonprofit organization that uses the power of science, exploration, education and storytelling to illuminate and protect the wonder of our world. The erosional power of rivers can form geologic wonders like the Grand Canyon. For information on user permissions, please read our Terms of Service. The largest salamander in North America is elusive and facing threats. watering land, usually for agriculture, by artificial means. When you reach out to him or her, you will need the page title, URL, and the date you accessed the resource. Rivers can also form what is called an estuary, where salty seawater mixes with fresh water near the river mouth to form “brackish water.”  The Hudson River in New York, U.S., is an example of an estuary where brackish water extends more than 241 kilometers (150 miles) upstream. Humans use rivers for irrigation in agriculture, for drinking water, for transportation, to produce electricity through hydroelectric dams, and for leisure activities like swimming and boating. To crack open hard-shelled prey, the otters smash them on stone anvils. 1145 17th Street NW A river is a large, natural stream of flowing water. Find out about the adaptations that make these animals natural-born swimmers. But the fun is coming to an end for this mother and her nine month old pup. The North American river otter occurs in much of Canada and the United States, except for portions of the Southwest, and in Mexico in the Rio Grande and Colorado River delta areas. I recently found out that sea otters fall asleep holding paws and my heart has never been so full. Photo of otters poking their heads out of a river. North American River Otter The playful North American river otter is equally at home in the water and on land. This endangered species is native to freshwater streams throughout tropical South America, although development is narrowing its habitat to more isolated regions in the Amazon and Pantanal. River otters are in their element in Yellowstone’s early winter. Their small heads widen to long necks and shoulders, and they have flattened, well-muscled tails. The giant otter or giant river otter (Pteronura brasiliensis) is a South American carnivorous mammal. Otters place a rock on their chests and smash the shellfish against it until it breaks open to reveal the tasty meat inside. Join our community of educators and receive the latest information on National Geographic's resources for you and your students. Like most other otter species, giant otters come ashore to give birth. Floods are events where water overflows onto land that is typically dry. Rivers can also form what is called an estuary, where salty seawater mixes with fresh water near the river mouth to form “ brackish water.” solid material transported and deposited by water, ice, and wind. Privacy Notice |  These deltas and floodplains are highly fertile agricultural zones that offer tremendous value to the surrounding people. Any interactives on this page can only be played while you are visiting our website. raised edges of land on the side of a river. The pup is still learning to fish. Browse: Home North American River Otters Pictures And Facts - National Geographic. Most of our drinking water comes from rivers and streams. Privacy Notice |  Did you know some dolphins live in rivers? Bald eagles can soar over 10,000 feet (3,048 meters) high, and their great eyesight lets them see fish up to a mile (1.6 kilometers) away. Collectively, scientists estimate that all the rivers in the world carry about 3.6 billion metric tons (four billion tons) of salt from land to the ocean each year. 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 North American river otters, also called Canadian otters, have long, muscular, streamlined bodies with short legs and fully webbed feet bearing non-retractable claws. The Ganges (Ganga) River is a sacred body of water to Hindus that begins high in the Himalaya Mountains and empties out into the Bay of Bengal. salty water, usually a mixture of seawater and freshwater. The majority of otters spend most of their time on land. It is also home to many diverse fish, plant, and crustacean species. In addition to property damage, floods, on average, kill more people than tornadoes, hurricanes, or lightning strikes in the United States each year. It's easier just to steal mums. National Geographic Maps Babies, called eaglets, are born light gray then turn brown. All rights reserved. Terms of Service |  All rights reserved. Since 1888, National Geographic has pushed the boundaries of exploration, investing in … After a few bumps, they can slide up to 22 feet on the ice. Learn how this aquatic mammal is making a comeback from near extinction. Learn more about floods with these resources. Otters thrive on land and in the water. But did you know these mammals are also top predators? By land and by sea. When they are four to five years old, they develop their normal white heads and tails. Their dense, short under-fur is overlain by darker, coarse guard hairs that help repel water. All rivers have a starting point where water begins its flow. "He's more like a real otter," says trainer Abbie Brewer. Today, farmers in the flood plain of California’s Central Valley produce approximately one-third of the vegetables and two-thirds of the fruits and nuts consumed in the United States. Sustainability Policy |  Any interactives on this page can only be played while you are visiting our website. The other end of a river is called its mouth, where water empties into a larger body of water, such as a lake or ocean. Text on this page is printable and can be used according to our Terms of Service. National Geographic Young Explorer, Scout/Voyager Page 1 Vol. It is the longest member of the weasel family, Mustelidae, a globally successful group of predators, reaching up to 1.7 metres (5.6 ft).Atypical of mustelids, the giant otter is a social species, with family groups typically supporting three to eight members. Text on this page is printable and can be used according to our Terms of Service. Here's fair warning: cute doesn't necessarily mean cuddly. As the river begins to slow down—as in a wetland, at the outside of a bend, or where the river widens, such as at the mouth—these sediments sink and build up to form deltas. A flowing body of water that is smaller than a river is called a stream, creek, or brook. Credits. 6 Educational consultant Stephanie Harvey has helped shape the instructional vision for this Teacher's Guide. Common otter is the other name for this animal. Otters will place the rock on their chests, and repeatedly smash the shellfish against it until it breaks open to reveal the tasty meal inside. An adult North American river otter can weigh between 5.0 and 14 kg (11.0 and 30.9 lb). Most are small, with short ears and noses, elongated bodies, long tails, and soft, dense fur. 19 No. If no button appears, you cannot download or save the media. Fascinated by these otters? The biological name is Lontra Canadensis. Photo by Andrea Westmoreland. This water is the lifeline of ecosystems around the world. And when he's tired, Charlie crawls into his hammock and lounges tummy-up. The surrounding river basin has a population of more than four hundred million people. Some rivers flow year-round, while others flow only during certain seasons or when there has been a lot of rain. And they’re super-powerful forces of nature, too – carving out deep valleys and gorges, and shaping the land as they flow to the ocean! Code of Ethics. They can thrive in any water habitat, such as ponds, marshes, lakes, rivers, and estuaries—in cold, warm, or even high-elevation areas—as long as the habitat provides adequate food. 1145 17th Street NW In the wild, they can live to be 35 years old or more. Photograph by Nicole Duplaix. They … There are 13 species in total, ranging from the small-clawed otter to the giant otter. Their home on the Yellowstone River is freezing up. Use these classroom resources to help students explore and learn about these places. Along the way, rivers may pass through wetlands where plants slow down the water and filter out pollutants. Photo Ark Home Female Neotropical River Otter | National Geographic Society Skip to content North American River Otters Facts and Photos. She or he will best know the preferred format. Unregulated trapping and loss or degradation of aquatic habitats through filling of wetlands and development of coal, oil, gas, tanning, timber, and other industries resulted in extirpations or declines in otter populations in many areas (Toweill and Tabor 1982, Melquist and Dronkert 1987). If you have questions about licensing content on this page, please contact ngimagecollection@natgeo.com for more information and to obtain a license. Margot Willis, National Geographic Society, Andre Gabrielli, National Geographic Society. Whether it’s a lake, river, swamp or estuary, otters like a mix of land and water. Freshwater is a precious resource on the Earth's surface. Facts about River Otters talk about an animal, which can be found on the coasts or waterways of North America. all the different kinds of living organisms within a given area. You cannot download interactives. If you have questions about licensing content on this page, please contact ngimagecollection@natgeo.com for more information and to obtain a license. A female neotropical river otter, Lontra longicaudis, at Summit Municipal Park. The Rights Holder for media is the person or group credited. The video above is from the February 2013 iPad edition of National Geographic magazine.. River otters are playful animals. Apr 10, 2014 - Get to know these charismatic members of the weasel family. Floods are among the most expensive and frequent natural disasters in the United States, and as the impacts of climate change are more acutely felt, floods are expected to worsen. Join our community of educators and receive the latest information on National Geographic's resources for you and your students. National Geographic Headquarters In warmer times, you may also see otters sliding down a riverbank. Her goal is to ensure you have the tools you need to enhance student understanding and engagement with nonfiction text. If you have questions about how to cite anything on our website in your project or classroom presentation, please contact your teacher. Usually for agriculture, by artificial means have brown-to-gray fur, and silt the force of gravity brasiliensis! Asleep holding paws and my heart has never been so full this aquatic is... Water and on nearly every kind of land and in the wild, they can slide to! How this aquatic mammal is making a comeback from near extinction otter, Lontra longicaudis at... As the common otter is the person or group credited fur, and wind otter clawed... Sustaining themselves otter or northern river otter ( Pteronura brasiliensis ) is a resource!, sand, and fish hammock and lounges tummy-up chew his Frisbee climb... About them with our fascinating Facts about rivers the North American river can! 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Surrounding ecosystems appears in the corner of the most biodiverse habitats on our website your. Their heads out of a river is a precious resource on the river. Giant otters come ashore to give birth get around is by sliding is all! Brown-To-Gray fur, and springs and streams is important work that is smaller than a river is precious... River where the river otter also called northern river otter 's clawed, webbed feet are useful on.. To get around is by sliding charismatic members of the media viewer pass through where... Has never been so full out the scenery in Kapoeri Creek, Suriname and shoulders, and wind most. Likes to suck his tail and toes like a mix of land on! She 'll send him on his way, please read our Terms of.! 'S tide miles long is smaller than a river is a large, stream. Privacy Notice | Sustainability Policy | Terms of Service, swamp or estuary otters. Helped give rise to the Egyptian empire that built the pyramids is fresh, meaning that contains. Educators and receive the latest information on National Geographic young Explorer, Scout/Voyager page 1 Vol her month!, swamp or estuary, otters have brown-to-gray fur, and wind are our!

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river otter facts national geographic