The Asian short-clawed otter can be found in freshwater wetlands and mangrove swamps, in southern India to southern China and the Malay Peninsula. In some areas, a female Alaska se… for females. Habitat: mainly the area around freshwater lakes, rivers, some coasts - as long as they are undisturbed and there is plenty of cover. Get the unbiased info you need to find the right school. The Eurasian otter is one of the most widespread mammal species. They make use of freshwater and peat swamp forests, rice fields, lakes, streams, reservoirs, canals, drainage ditches, rice paddies, mangroves, tidal pools, and along the coastline. They will breed any time during the year, most likely determined by the individual’s physiological state and reproductive maturity. Eurasian otter, Eurasian River otter, European river otter, Old World otter, Common otter. It is a European branch of the weasel or Mustelidae family. They have around 15 different calls, and use scent markings to stake out territory, among other things. (MacDonald, 1984) Biogeographic Regions; palearctic. Due to having large lungs and being able to slow down their heartbeat, otters can stay underwater for as long as four minutes. In the wild, assuming they live out their full natural lives, they might live to be around 17 years old. The Eurasian otter is a solitary animal with the female rearing the cubs on her own. Its streamlined shape and webbed feet make it an agile swimmer. The Eurasian otter was known to inhabit rivers there long before the disaster and was consistently recorded thereafter but no species-focused survey was attempted. To learn more, visit our Earning Credit Page. Despite being such a lovable carnivore, the Eurasian Otter is classified as “Near Threatened” by the IUCN due to a declining population over the last 40 years. 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. Otters are found on every single continent in the world except for Australia and Antarctica. 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. They are nocturnal, so most foraging is done at night. {{courseNav.course.topics.length}} chapters | Spanish Grammar: Describing People and Things Using the Imperfect and Preterite, Talking About Days and Dates in Spanish Grammar, Describing People in Spanish: Practice Comprehension Activity, Quiz & Worksheet - Employee Rights to Privacy & Safety, Flashcards - Real Estate Marketing Basics, Flashcards - Promotional Marketing in Real Estate, Microbiology Syllabus Resource & Lesson Plans, Intro to Physics for Teachers: Professional Development, Introduction to Computing: Certificate Program, Mixed Numbers & Improper Fractions Lesson Plans & Activities, Quiz & Worksheet - Completing Division Sentences, Quiz & Worksheet - Adding Two Numbers Up to Three Digits, Quiz & Worksheet - Silicate vs. Non-silicate Minerals, Police-Community Relations: Importance & Comparisons, Freedom from Unreasonable Search and Seizure: Definition & Amendment, SAT Subject Tests: Registration & Test Dates, Tech and Engineering - Questions & Answers, Health and Medicine - Questions & Answers, Working Scholars® Bringing Tuition-Free College to the Community. Because otters eat mainly fish, you’ll generally find them in areas where there are plenty of this food source. Home ranges vary in size with species, location, and resource distribution, and are generally larger for males Straight line lengths for Eurasian otter home ranges in Sweden average about 15 km (9.3 mi.) - 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. © copyright 2003-2021 Study.com. That of the female is smaller, occupying about 7 km. Although methodological concerns exist, scat … They live near water, including streams, swamps, lakes, and the ocean. However, sometimes they form loosely knit groups numbering as many as six animals. The elusive otter is one of our top predators, feeding mainly on fish (particularly eels and salmonids), waterbirds, amphibians and crustaceans. 1998). The eyes are placed high on the head so that it can see when the rest of the body is below water. The Eurasian otter is a solitary animal with the female rearing the cubs on her own. - Formation, Origin & Formula, Soil Contamination: Treatment, Phytoremediation & Bioremediation, Soil Contamination: Definition, Sources & Prevention, Quiz & Worksheet - Textual & Non-Textual Scientific Presentations, What is a Constant in Science? In this lesson you'll learn about one of the most widespread otter species: the Eurasian otter. Those living on the coast are susceptible to oil spills. 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