african clawless otter habitat

The African clawless otter lives in dens, or cave-like shelters. On land, African clawless otters take shelter in underground burrows, under rocks, roots, or dense … | {{course.flashcardSetCount}} These otters prefer shallow water with thick reed beds, which are home to several favorable prey such as crab and fish. In fact, it can be found in nearly every country across the African continent, including Southern, Eastern, and Western countries. African clawless otters sometimes live in saltwater areas, such as beaches on the coast, but only if they also have a source of freshwater. {{courseNav.course.mDynamicIntFields.lessonCount}} lessons The Cape clawless otter inhabits the areas of higher rainfall on the eastern coastline of South Africa. credit-by-exam regardless of age or education level. We can help you reset your password using the email address linked to your BioOne Complete account. Africa. African clawless otters can be found anywhere from open coastal plains, to semiarid regions, to densely forested areas. Create a new folder below. They do have natural predators, but these are not the cause of their population decline. Not sure what college you want to attend yet? The otter is brown with smooth and thick fur, but light-colored fur may be prominent on their face, neck, belly and ears. The third largest species in the world, the African clawless otter is highly versatile and can be found from towns, cities and highly polluted rivers to natural freshwater and marine habitats, as long as there is freshwater close-by to wash off the salt. Enrolling in a course lets you earn progress by passing quizzes and exams. Interestingly, the offspring are considered mature after about 1 year. However, it is declining, and so they are listed as near-threatened. and career path that can help you find the school that's right for you. River otters (genus Lutra) inhabit all types of inland waterways, as well as estuaries and marine coves. Translations are not retained in our system. Create an account to start this course today. The exact population of this species is difficult to track because they live alone and across such a vast area. Variations in the predatory behaviour of the clawless otter. In freshwater habitats, not all otters had trout in their isotopic niche, although this prey item was abundantly available in the study area. African clawless otter is a mammal that belongs to the weasel family. This species is semi-aquatic, meaning it splits its time between water and land. As with most animals, their lifespan in captivity is longer. Spotted-necked Otter is common in Lake Tele but no evidence for the rest of the country The Congo Clawless is rare but found in the Likouala,Cuvette and Virunga volcanoes regions. Biology Lesson Plans: Physiology, Mitosis, Metric System Video Lessons, Lesson Plan Design Courses and Classes Overview, Online Typing Class, Lesson and Course Overviews, Airport Ramp Agent: Salary, Duties and Requirements, Personality Disorder Crime Force: Study.com Academy Sneak Peek. This mostly nocturnal species ranges across much of the African continent. Otters are usually found no more than a few hundred meters from water. Most species are entirely dependent on aquatic habitats for food. However, they usually stay within a much smaller section of this. Th… All rights reserved. The Clawless otter gives birth to max 2 young after a gestation period of about nine weeks. Species: Congo Clawless and Spotted-necked Otter. {{courseNav.course.topics.length}} chapters | Earn Transferable Credit & Get your Degree. Rowe-Rowe, D. T. (1977c). Get access risk-free for 30 days, To learn more, visit our Earning Credit Page. They spend a great deal of their time laying around in the sun or even in t… Your use of this feature and the translations is subject to all use restrictions contained in the Terms and Conditions of Use of the BioOne website. You currently do not have any folders to save your paper to! Neither BioOne nor the owners and publishers of the content make, and they explicitly disclaim, any express or implied representations or warranties of any kind, including, without limitation, representations and warranties as to the functionality of the translation feature or the accuracy or completeness of the translations. Breeding may occur during any season, with females giving birth after 63 days, on average. More aquatic than other otters from Africa, its fully webbed paws have sharp, well-developed claws. Contact, Password Requirements: Minimum 8 characters, must include as least one uppercase, one lowercase letter, and one number or permitted symbol, South African Journal of Wildlife Research, Access Institutional Sign In via Shibboleth or OpenAthens, https://doi.org/10.3957/0379-4369-37.1.61. Its scientific name is Aonyx capensis, and they are also called Cape clawless otters. Cape clawless otters, Aonyx capensis, are widely distributed in South Africa, as elsewhere on the continent. Asian Small-Clawed Otter: Habitat, Breeding & Adaptations, Over 83,000 lessons in all major subjects, {{courseNav.course.mDynamicIntFields.lessonCount}}, Eurasian Otter: Habitat, Diet, Lifespan & Facts, Hairy-Nosed Otter: Habitat, Breeding & Population, Spotted-Necked Otter: Habitat, Diet, Lifespan & Facts, Smooth-Coated Otter: Habitat, Adaptations & Facts, North American River Otter: Habitat, Diet, Predators & Facts, Southern River Otter: Habitat, Population & Adaptations, European Mink: Facts, Habitat, Adaptations & Population, What is a Mongoose? It does have small claws on its back feet, which are webbed and used to groom itself. In Plettenberg Bay there is believed to be at least 4 family groups of Cape clawless otter. Lauren has taught intermediate reading in an English Language Institute, and she has her Master's degree in Linguistics. Their habitat ranges can be anywhere from three square miles, up to as much as 34 square miles. They can be found in a variety of habitats, including mangroves, beaches, and even desert-like areas. Rowan K. Jordaan, Michael J. Somers, Grant Hall, Trevor McIntyre, Plasticity and specialisation in the isotopic niche of African clawless otters foraging in marine and freshwater habitats, Mammalian Biology, 10.1016/j.mambio.2019.07.006, (2019). - Anatomy, Family & Diet, Baikal Seal: Habitat, Adaptations, Predators & Facts, Ringed Seal: Habitat, Population & Adaptations, Signs, Symptoms & Causes of Bloat in Dogs, Biological and Biomedical They also occasionally use existing natural dens made of plants, roots, or rocks. courses that prepare you to earn Aonyx is the older name, so the Asian small-clawed otter is now Aonyx cinereus. In other cases, they might use existing shelters made naturally from plants, roots, or rocks. Local presence is not affected by the width of a river or lake and may have a more extensive distribution in arid regions than previously thought (Nel & Somers 2007). This species inhabits a wide variety of freshwater habitats, such as streams, rivers, lakes and estuaries, as well as marine habitats, including … African clawless otters are primarily aquatic and reside near perennial and episodic springs or rivers. This otter occurs from South Africa northwards to Ethiopia and Senegal, but is absent from the central rainforest areas. It can be found in the sub-Saharan Africa (except in the Congo). They occur in a wide variety of environments and most aquatic habitats, from freshwater lakes to the marine littoral,and even in episodic rivers in arid areas,provided freshwater sources are adequate and sufficient food is available. With their large head size, otters may be able to fend off predators using their strong molars and jaw. Habitat. Prey capture and feeding behaviour of South African otters. Abstract We radio‐tracked seven Cape clawless otters (Aonyx capensis) (Schinz, 1821) in two rivers in the Western Cape Province, South Africa, providing data on their habitat selection. Other than the water requirement, this otter can be found in a range of different habitat types. 5 Table 1. It is believed to spend much more time on land than other otters. Get the unbiased info you need to find the right school. Evidence of presence in given localities and habitats, distributed over a large area of the Northern, Western, and Eastern Cape provinces, was deduced from signs (faecal deposits or distinctive tracks) on land. All other trademarks and copyrights are the property of their respective owners. In freshwater habitats, not all otters had trout in their isotopic niche, although this prey item was abundantly available in the study area. Anyone can earn The isotopic niche of African clawless otters in a coastal habitat overlapped substantially with previous reports on otter diet, but illustrated that otters eat more shark and molluscs than previously estimated. Accepting the inherent pitfalls of this approach we nevertheless feel using it is acceptable for a first approximation of habitat preferences over a large geographical area. Visit the Kingdom Animalia: Study Guide & Review page to learn more. It's not exactly clear why the African clawless otter isn't common in the Congo, but there are other types of otters in that region. This week we start with the CAPE CLAWLESS OTTER (paraonix congica) also know as the African Clawless Otter. 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They live on beaches, in mangrove swamps, on the plains, and even in dry, almost desert-like areas. Cape clawless otters, Aonyx capensis, are widely distributed in South Africa, as elsewhere on the continent. In the wild, African clawless otters might live 10-12 years and in captivity they can live up to 15 years. Jan A. J. Nel, Michael J. Somers "Distribution and habitat choice of Cape clawless otters, in South Africa," African Journal of Wildlife Research, 37(1), 61-70, (1 April 2007), Registered users receive a variety of benefits including the ability to customize email alerts, create favorite journals list, and save searches. However, their main threat comes from humans. first two years of college and save thousands off your degree. The Congo clawless otter (Aonyx congicus) is a type of otter.It is also called the Cameroon clawless otter.. You can test out of the They can be seen in a variety of habitats; from semi-arid, open plains to rainforests. The African clawless otter is Africa’s most widely distributed otter, from Senegal, through most parts of West Africa as far as Ethiopia, and in the south to South Africa. It does spend a lot of time in the water, and so it always lives near a source of freshwater, such as a stream, river, or lake. Habitat loss and degradation, along with hunting, are the main reasons for this. Otter litters may range from 1-5 pups. They also spend a great deal of time in the water in order to stay cool. In southern Chile the marine otter is found almost exclusively along exposed rocky seashores; farther north it may inhabit estuaries and fresh water. Giant otters (genus Pteronura) are found mainly in slow-moving rivers and creeks within forests, swamps, and marshes. They demonstrate a high climatic and trophic adaptability, occurring from tropical coastal wetlands up to mountain streams. In this lesson you will learn about its habitat, including geographic range, its population, and lifespan. They make dens by digging holes that can be up to six feet deep, extending from the surface down below water level. Food ecology of otters in Natal, South Africa. As you might expect, the African clawless otter lives in Africa. Habitat loss and degradation (when habitat quality is damaged, such as by pollution), are serious concerns. In addition, they have dexterous hands which are used to search for food, grab prey and turn over rocks. They love to play too so you can find them using logs and other items in their environment to have fun with. As you might expect, the African clawless otter lives in Africa. Logs, branches, and loose foliage greatly appeal to the otter as this provides shelter, shade, and great rolling opportunities. This will count as one of your downloads. Habitat. It is a small otter and found only in the mid-part of Africa, in the tropical belt. This species is semi-aquatic, meaning it splits its time between water and land. Log in or sign up to add this lesson to a Custom Course. Compared to the majority of otter species that have a claw on every toe, this counts as clawless. study credit by exam that is accepted by over 1,500 colleges and universities. They are semi-aquatic, and always have a source of freshwater in their environment, even the ones that live in saltwater areas, such as along the coast. Cape clawless otters, Aonyx capensis, are widely distributed in South Africa, as elsewhere on the continent.They occur in a wide variety of environments and most aquatic habitats, from freshwater lakes to the marine littoral,and even in episodic rivers in arid areas,provided freshwater sources are adequate and sufficient food is available. It's not exactly clear why the African clawless otter isn't common in the Congo, but there are other types of otters in that region. The Cape clawless otter, also known as the African clawless otter, is one of two otter species to occur in South Africa. Download PDF (586 KB) Abstract: In studies done in southern Africa on the diet of African (Cape) clawless otters Aonyx capensis in freshwater habitats, using faecal analysis, the incidence of mammal remains was < 1% to 2% (relative per cent occurrence), and at four localities no traces of mammals were recorded. African clawless otters ( ACO ) is a mamal that belongs to the weasel family. Rowe-Rowe, D. T. (1977b). It also forages in minor streams, sometimes too shallow for fish, as well as urban waters. It does spend a lot of time in the water, … In fact, it can be found in nearly every country across the African continent, including Southern, Eastern, and Western countries. Despite its name, this species is not completely clawless. An institutional or society member subscription is required to view non-Open Access content. There are 13 extant species of otter around the world, one of which is native to the UK. It is found in sub Sahara Africa, … habitats (Mason and Macdonald, 1986). 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You have requested a machine translation of selected content from our databases. © copyright 2003-2021 Study.com. The dens are typically close to freshwater or not far from a shore. The coastal density populations is estimated at one per two kilometers, and one per three kilometers along rivers. They occur in a wide variety of environments and most aquatic habitats, fromfreshwaterlakestothemarinelittoral,andeveninepisodicriversinaridareas,provided freshwater sources are adequate and sufficient food is available. Results point to areas with dense reed beds and a rocky substrate on banks being used most intensively, probably on account of a localized high food biomass. The only area where it is not found is in the Congo basin, which is in Central Africa. The scientific name for this species is Aonyx capensis, and it is also called the Cape clawless otter. The only area where it is not found is in the Congo basin, which is in Central Africa. Lammergeyer 23: 13-21. 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How Do I Use Study.com's Assign Lesson Feature? On January 17th 2002 Mount Nyiragongo, ju… To unlock this lesson you must be a Study.com Member. It is widely-distributed across South Africa and the second largest freshwater otter species in the world, reaching between 113 and 163 cm in length and weighing between 12 and 21 kg. Since they have predators on land including Nile crocodiles and eagles they tend to find it safer to be in the water. The Cape clawless otter, Aonyx capensis, is the most widely distributed otter species in southern Africa and persists in human-modified habitats, including large cities. - 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. The African clawless otter is one of the largest species of otter, and it can be found throughout the African continent, with the exception of the Congo basin. Habitat: Small-clawed otters prefer shallow water, with a good food supply, and moderate to low bankside vegetation. They occur in a wide variety of environments and most aquatic habitats, from freshwater lakes to the marine littoral,and even in episodic rivers in arid areas,provided freshwater sources are adequate and sufficient food is available. Otters are carnivorous mustelids in the Lutrinae subfamily. Surviving mostly in southern Africa, the otters live in areas surrounding permanent bodies of water, usually surrounded by some form of foliage. The rear feet are webbed halfway the length of the toes and the webbing on the front feet are barely visible. Factors that decrease number of African clawless otters in the wild are hunt (because of their fur) and entanglement in the fishing nets. When you think about Africa, what animals first come to mind? There they can live to be around 15 years old. What is the Difference Between Blended Learning & Distance Learning? Its long hairy tail ends in a point and is flattened horizontally. imaginable degree, area of You can see their little tracks and sometimes them around camps close to rivers as well as on Kruger Safaris near dams and rivers. Cape Clawless Otters occur in all major drainage systems in both summer and winter rainfall regions between the 50 mm and 1,250 mm isohyets (Nel & Somers 2007). Received 20th September 2018, accepted 2nd October 2018.

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