Bobcats, alligators, coyotes, raptors, and other large predators will sometimes prey on North American river otters. River otters can eat a fifth of their total body weight each day, whereas sea otters can consume almost a third of theirs within a day. Today though, otters have … But you can bank on the fact that there is an otter somewhere in a river near you if you live in Britain - a remarkable success story for a species driven to extinction in many parts of the country just decades ago. A member of the weasel family, the North American River Otter has a long body with short but strong legs. Males are larger in size than females (see photos). The North American River Otter is an animal with a very high metabolism, so it must eat quite often. Otter Diet: Otters live near water because it provides them with everything they need—including food. The average lifespan of the North American River Otter is about 8-9 years in the wild, although they can live much longer in captivity. Otters eat from 15% to 25% of their body weight each day. They are carnivorous, and most species eat a variety of fish, amphibians, shellfish, crabs, and other aquatic creatures. While otters are mostly carnivores, they will eat the corn that is used to fish for trout, especially along rivers that are stocked with hatchery fish. Speaking of swimming, the North American River Otter is top in its class. It is known as the common otter or northern river otter. By Staff Writer Last Updated Apr 2, 2020 3:00:50 AM ET. 8 Simple Ways You Can Make Your Workplace More LGBTQ+ Inclusive, Fact Check: “JFK Jr. Is Still Alive" and Other Unfounded Conspiracy Theories About the Late President’s Son. To unlock this lesson you must be a Study.com Member. The den will often have many entrances and exits. Giant ottters are very sociable animals and often live in groups of … Methods of Collecting Food. However, otters differ from similar species like beavers, muskrats, and nutria that feed on plants. Sea otters have a high metabolic rate (that is, they use a high amount of energy) that is 2-3 times that of other mammals their size. Reports now state that otters inhabit every county in the UK – great news for the otter! All rights reserved. The North American River Otter is quite versatile, making its home in lakes, swamps, ponds and marshes, in addition to rivers. As you may guess from its name, the North American River Otter is a species of otter found in and near waterways of North America. They’re often seen in coastal areas near the mouths of rivers and creeks. Did you know… We have over 220 college River otters' main source of food is fish, but otters are opportunists by nature and will eat a wide variety of foods. The otter is a fish hunter, though it happily eats waterbirds, amphibians and crustaceans too, including American signal crayfish. {{courseNav.course.mDynamicIntFields.lessonCount}} lessons Sociology 110: Cultural Studies & Diversity in the U.S. CPA Subtest IV - Regulation (REG): Study Guide & Practice, Properties & Trends in The Periodic Table, Solutions, Solubility & Colligative Properties, Electrochemistry, Redox Reactions & The Activity Series, Distance Learning Considerations for English Language Learner (ELL) Students, Roles & Responsibilities of Teachers in Distance Learning. They’re often found in … How Does the 25th Amendment Work — and When Should It Be Enacted? With the ability to smell concentrations of fish and their high metabolisms, otters spend most of their time hunting for their next meal. The otter is hunted by coyotes, raptors, bobcats and alligators, and typically lives to be 8-9 years old in the wild. The Eurasian otter (Lutra lutra), also known as the European otter, Eurasian river otter, common otter, and Old World otter, is a semiaquatic mammal native to Eurasia.The most widely distributed member of the otter subfamily (Lutrinae) of the weasel family (Mustelidae), it is found in the waterways and coasts of Europe, many parts of Asia, and parts of northern Africa. credit by exam that is accepted by over 1,500 colleges and universities. It is around 3-4 feet in length, weighing around 11-30 pounds. River otters prefer larger fish due to ease of capture; larger prey gives river otters more energy as well. Sea otters eat about 25% to 30% of their weight. Otters are meat eaters. Those that have offspring may hunt more because it takes a great deal of milk to feed their young. River otters eat 15% to 20% of their total body weight each day. 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Howard, How to Pass the Living Environment Regents Exam, How to Write a Personal Statement for Law School, Tech and Engineering - Questions & Answers, Health and Medicine - Questions & Answers, Working Scholars® Bringing Tuition-Free College to the Community. Get access risk-free for 30 days, All otters are expert hunters that eat fish, crustaceans, and other critters. The North American River Otter is a playful, semi-aquatic mammal found in waterways of North America. Sea otters eat about 20-30% of their body weight each day. Join us to learn more about a day in the life of this lively otter. They generally forage in the water, but they can also hunt on land. As aquatic mammals, otters spend most of their time in the water. They enjoy carp, sunfish, minnows, suckers, sculpin and salmonids such as trout and salmon. courses that prepare you to earn Earn Transferable Credit & Get your Degree. Soon the babies are just as at home in the water as the adults. They eat mostly aquatic organisms such as frogs, fish, turtles, insects, and some small mammals. As long as there is plenty of food, most any body of water will do for these otters. Create your account, Already registered? Sea otters eat a wide range of marine animals, including mussels, clams, urchins, abalone, crabs, snails and about 40 other marine species, equaling approximately 25 percent of their weight in food each day, according to Defenders of Wildlife. The North American River Otter is a playful, semi-aquatic mammal found in rivers, lakes, ponds and marshes of North America. What Do Otters Eat Regularly? Tag: what do River Otters eat? All other trademarks and copyrights are the property of their respective owners. © copyright 2003-2021 Study.com. Its dark brown fur is smooth and water repellent, an important trait for a fast-swimming mammal. They will feed on fish, invertebrates, frogs, clams, crayfish, and small mammals or birds. 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