In this lesson you'll learn about one of the most widespread otter species: the Eurasian otter. Although the mating system in European otters has not been well studied, they are thought to be either polygynous (one male mates with multiple females) or polygynandrous (promiscuous) (both males and females have multiple mates), as both males and females associate with each other only during mating. Such behavior is seen as helping young otters improve their hunting techniques. The European otter, a semi-aquatic species, lives along coasts and in a wide variety of freshwater habitats. During the day they are in their dens on the land, staying cool, coming out at night to eat. Eurasian otter (lutra lutra) in natural habitat - download this royalty free Stock Photo in seconds. According to the scientific resources, the total population size of European otters in Belarus is around 12, 000 individuals and in Sweden - 500-1000 individuals. This otter is extremely susceptible to human destruction of its territory although there are signs of increased otter activity closer to towns etc. They have been seen sliding down muddy river banks, and leaping and chasing one another. Growing human-wildlife conflicts and legal conservation obligations increased the need for precise information on Eurasian otter (Lutra lutra) population parameters for species status assessment and wildlife management measures. Enrolling in a course lets you earn progress by passing quizzes and exams. It creates wetlands, which provide habitat for European water vole, Eurasian otter and Eurasian water shrew. Distribution: the Eurasian otter exists in scattered populations in the British Isles, Europe, Scandinavia, most of Russia and North Africa. The European otter is the most widely distributed otter species being widely spread across Europe. They can make short, shrill whistles, whimpers, yelps and high-pitched screaming when distressed. Abstract. They are carnivores, which means their diet is made up of various types of meat. Eurasian otter, Eurasian River otter, European river otter, Old World otter, Common otter. The Eurasian otter is a solitary animal with the female rearing the cubs on her own. The Eurasian Otter has an acute sense of sight, smell and hearing. To learn more, visit our Earning Credit Page. They remain with their mothers up to the age of 14 months, reaching reproductive maturity at the age of 2 or 3 years. - Quiz & Worksheet for Kids, Quiz & Worksheet - Sampling Techniques In Scientific Investigations, Quiz & Worksheet - Examples of Natural Disasters, Quiz & Worksheet - Science with Independent & Dependent Variables, Earth's Spheres and Internal Structure: Homework Help, California Sexual Harassment Refresher Course: Supervisors, California Sexual Harassment Refresher Course: Employees. Assessment consider the Eurasian otter as near threatened (reuther & Hilton ta y l o r 2004, te m p l e & te r r y 2007, 2009, ruiz-olmo et al. Not sure what college you want to attend yet? All otter species occupy a home range. 2008), this animal is still considered a critically endangered species in italy (B u l g a r i n i et al. Distribution of a recolonising species may not reflect habitat suitability alone: the case of the Eurasian otter … The Asian short-clawed otter can be found in freshwater wetlands and mangrove swamps, in southern India to southern China and the Malay Peninsula. They stay with her for a little over a year. Wild Diet. Gestation is for 60 to 70 days, each female bearing 2 or 3 pups. Eurasian otters split their time between land and water, building nests on land, but doing most of their foraging in the water. Distribution & Habitat The otter is a secretive semi-aquatic species which was once widespread in Britain. | {{course.flashcardSetCount}} and career path that can help you find the school that's right for you. Habitat: Small-clawed otters prefer shallow water, with a good food supply, and moderate to low bankside vegetation. They will stay with her for a little over a year, and they can mate and have babies of their own after they are two to three years old. Eurasian otter numbers began declining in the 1950s until the species became almost extinct in England and Wales, although a small population survived in Scotland. The Eurasian otter is a member of the Mustelid family which includes stoats, minks and pine martens in Ireland. As you might expect, given their semiaquatic lifestyle, much of the diet of a Eurasian otter comes from the water. They nest on land, tending to build underground tunnels to move between the two. They are able to cross territorial boundaries without incident, but aggressive behavior will occur if the same gender tries to enter a territory. Written by Jeniffer Coates. Log in here for access. Fig. This species prefers areas where there is a lot of plant life along the shore or river bank. 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They live near water, including streams, swamps, lakes, and the ocean. Get access risk-free for 30 days, imaginable degree, area of Eurasian otter. They also inhabit the northern most part of Africa. Lutra lutra inhabits most of Eurasia south of the tundra line and North Africa. © copyright 2003-2021 Study.com. Ireland's otters are geographically widespread and believed to be the most s… Although widespread in distribution, there is almost no data on populations outside Europe so the situation in the vast part of their range is unknown. Visit the Kingdom Animalia: Study Guide & Review page to learn more. Lauren has taught intermediate reading in an English Language Institute, and she has her Master's degree in Linguistics. The Eurasian river otter has been recorded all over the UK, with most of the population residing in Scotland. The otter is believed to be extinct in Liechtenstein, the Netherlands, and Switzerland. The oldest recorded otter reached around 12 years of age, but this is exceptional. Removal of vegetation from stream or river banks, the draining of wetlands, the construction of dams and other man-made interventions impact greatly on otter populations. Reports now state that otters inhabit every county in the UK – great news for the otter! Lutra lutra forage in water and nest on land. They are solitary animals unless in a mating pair or a mothers with her young. credit-by-exam regardless of age or education level. Geographic Range. In the wild, assuming they live out their full natural lives, they might live to be around 17 years old. By the 1970s, otters were restricted mainly to Scotland, especially the islands and the north-west coast, western Wales, parts of East Anglia and the West Country (though they remained common and widespread also in Ireland). It lives on the European, Asian, and African continents, and is native to around 81 different countries. Otter Habitat and Distribution Otters are found on every single continent in the world except for Australia and Antarctica. European otters live throughout Europe, North Africa and Asia, inhabiting streams, rivers, lakes, freshwater and peat swamp forests, ocean shores, rice fields, fjords, caves, and other terrestrial habitats close by waterways. They live near streams, rivers, lakes, swamps, and along coastlines, depending on the country. Along the high-rainfall coasts of Prince William Sound the North American river otter uses many large dens close to the shore Otter Habitat and Distribution. They demonstrate a high climatic and trophic adaptability, occurring from tropical coastal wetlands up to mountain streams. 1993 , Macdonald & Strachan 1999 , Jędrzejewska et al. 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Adaptations to an aquatic lifestyle are its webbed feet, its ability to close its small ears and its nose when it is under water, and its very dense, short fur that traps a layer of air for the purpose of insulating the animal. The male’s territory can cover about 15 km of river, crossing it every 3 or 4 nights. It was listed this way because of a population decline, but with current conservation efforts, the population in many countries seems to be recovering. {{courseNav.course.topics.length}} chapters | They are nocturnal, so most foraging is done at night. Eastern populations of the Eurasian otter (Lutra lutra) have declined throughout Asia.Although the South Korean government designated the Eurasian otter as an Endangered Species and Natural Monument, limited information exists on the distribution and habitat of this top predator in riparian ecosystems at this terminus of its distribution. The frequency of positive sites … How long can you hold your breath? Habitat correlates of the Eurasian otter Lutra lutra recolonizing Central Poland Jerzy Romanowski , Marcin Brzeziński , and Michał Żmihorski Centre for Ecological Research, Polish Academy of Sciences, Dziekanów Leśny ul. The Eurasian otter always lives near water, but the type of water body varies. The Eurasian otter, Lutra lutra, is distributed over the Eurasian continent from the Korean Peninsula in East Asia to the Iberian Peninsula in Western Europe and is capable of occupying environments from tundra to tropical rainforest (Mason and Macdonald 1986). The aquatic habitat of otters is very vulnerable in the face of change. Basically, it means this species could become threatened in the future. 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We address the process of otter recolonization and habitat utilization in Central Poland over 14 years. Other places you will find them lingering include around rivers, streams, and lakes. Growing human-wildlife conflicts and legal conservation obligations increased the need for precise information on Eurasian otter (Lutra lutra) population parameters for species status assessment and wildlife management measures. European otters have their most active time at dusk and at night. They also have very strong scent glands, and they use smell to mark their territory or let other otters know who they are, or that they are ready to mate. Habitat With the widest distribution of the otter subfamily, the common otter stretches from western Europe to central Asia. 's' : ''}}. 3 Habitat char acteristic s of Eurasian otter sit es in Central Polan d. Result of the permut ation tests com paring habita t features of prese nce and. The only native UK otter species, the Eurasian otter is a European protected species and is also protected under the Wildlife and Countryside Act 1981. Beaver has a stockier body, compared to the long body of the otter. They can be found in 81 countries throughout Europe, Asia, and Africa. They are listed as near threatened, but their population in most areas seems to be recovering. They may even prey on insects, snakes, lizards and some small species of rodent. Services. Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species. Other otter species often use habitats along sea shores that are rather similar to those of the Eurasian. Field surveys in 1998 and 2007 documented increase in occurrence of the species. IUCN Otter Spec. Although the Korean population of Eurasian otter (Lutra lutra) was designated as an endangered species, habitat and basic ecology of Korean otters have been rarely known.To ascertain sprainting behavior of the Eurasian otter in the freshwater habitat and investigate the habitat preferences, otter surveys along the Ungok River in Gyeongsangbuk-do, South Korea, were conducted for a 12 … They will breed any time during the year, most likely determined by the individual’s physiological state and reproductive maturity. Three key factors influenced habitat suitability: riparian vegetation tree cover, forestland use (either natural or planted) within 100 m They are very vocal, and have up to 15 different calls to stake out territory, warn others that a predator is near, or otherwise communicate. They also like crystal clear waters with stony bottoms. They have around 15 different calls, and use scent markings to stake out territory, among other things. For the most part Eurasian otters live alone, except when a mother has young babies. A male's range often overlaps that of one or more females. Although methodological concerns exist, scat … flashcard set{{course.flashcardSetCoun > 1 ? – but our river systems still require extensive habitat What is the Difference Between Blended Learning & Distance Learning? Basically, it means this species could become threatened in the future. The Eurasian otter Lutra lutra is a top predator that feeds mostly on fish. Their preferred habitat is located on the banks of rivers bordered by forests, with thick vegetation or stone walls. Log in or sign up to add this lesson to a Custom Course. – but our river systems still require extensive habitat management to restore them to a healthy level that can sustain fish stocks and wildlife. Threat status Europe: Near Threatened ... and it has a sufficient large habitat. Remonti L, Prigioni C, Balestrieri A, Sgrosso S, Priore G. 2008. Those living on the coast are susceptible to oil spills. FACT: Although the otter is an exceptionally good swimmer and fish catcher, it cannot hold its breath … The otter Lutra lutra was once widespread in Europe, but populations declined sharply during the 1960s and 1970s due to pollution, exacerbated by hunting and habitat loss. Diet Counselor: Job Duties & Career Requirements, Diet Technician Certification and Degree Program Info, Graduate Programs Related to Diet and Health: Degree Options, Difference Between Food Scientist & Nutritionist, Nutritional Psychology Degrees & Programs, Holistic Animal Care Schools: How to Choose, Physical Trainer: Job Description & Career Requirements, Health Education Certification in Illinois, Holistic Dietitian Degree and Certificate Program Information. European otters are carnivores, they eat mainly fish, but they also hunt amphibians and other aquatic prey, as well as birds, eggs, insects, worms, and a small amount of vegetation. Habitat Habitat: mainly the area around freshwater lakes, rivers, some coasts - as long as they are undisturbed and there is plenty of cover. Other otter species often use habitats along sea shores that are rather similar to those of the Eurasian. The eyes are placed high on the head so that it can see when the rest of the body is below water. In 2018 the first otter survey within the exclusion zone was carried out looking for spraints and other signs of otter presence. 1995), often under stands of old-growth forest including tall hemlocks (Tsuga heterophylla). The Eurasian otter is one of the most widespread mammal species. Eurasian Otter: Habitat, Diet, Lifespan, Facts. It has many sensitive whiskers around its snout; these help to locate prey. It is an elusive animal which has sleek brown fur, often paler on its underside, covering its long lithe body, thick tail and little legs. Otters are now very common along the coast of Norway and in Northern Britain, especially Shetland where 12% of the UK breeding population exist. Habitat. Other threats are being caught in nets and fishing traps set for other species, as well as being hunted for their coat. Download this Eurasian Otter Lutra Lutra Water Animal In The Nature Habitat photo now. They are the most territorial of otter species. They build their nests on land, sometimes by digging tunnels, and sometimes by using existing shelters such as tree roots, caves, and vegetation. Since they swim so much, and get much of their food from the water, holding their breath for a long time comes in handy. The Eurasian otter is an elusive, solitary otter that has one of the widest distributions of all palearctic mammals, from Ireland to China and down to SoutheastAsia.Notwithstanding its large range,its population is declining in many countries in which it is not protected and in others its status is unknown. At any age they will trot, and gallop, and chase one another in water. These otters are vocal, having basic calls of greeting, alarm and mating, and up to 12 further calls. Location: One of the widest distributions of a UK mammal species, the Eurasian Otter is found throughout Europe, eastern Russia and China, south and south east Asia and north Africa. Because otters eat mainly fish, you’ll generally find them in areas where there are plenty of this food source. {{courseNav.course.mDynamicIntFields.lessonCount}} lessons To unlock this lesson you must be a Study.com Member. The increase in Eurasian otter Lutra lutra populations in their natural range and recolonization processes are recently observed in several European countries. Rivers affects the fish that are rather similar to those of the first two years of and... Otters eat mainly fish, frogs and even small mammals Study Guide & Review Page learn! Dens on the IUCN Red List, the overall estimate of the or! 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