You will notice that they have extremely long whiskers as well. The river otter is agile in water and on land, in fact there are two different names for a group of otters - a raft of otters if they are in the water, and a romp of otters if they are on land. Its fur is dark-brown on the top and has a lighter cinnamon color on its underside. The giant otter is the biggest, the most dangerous, the deadliest. Southern sea otters (Enhydra lutris nereis), also known as California sea otters, were listed as threatened in 1977 under the Endangered Species Act. Several surveys and studies have been performed on the southern river otter to better understand its declining population numbers to be able to prevent the species from becoming extinct. It has a long body, a flat head with small ears, and a broad muzzle with whiskers. It is also known as neotropical river otter, a long-tailed otter. While it may simply be called the "river otter" in North America (to distinguish it from the sea otter) there are other river otter species throughout the world. Predators Humans are the only known predators of the Southern River Otter. Methods of Collecting Food. North American river otters are semi-aquatic mammals endemic to the U.S. and Canada. There are 13 species of otter found all around the world. It is an endangered species because of poaching, water pollution, and habitat loss. Subspecies There are no subspecies of the Southern River Otter. River otters belong to the weasel family. (41 kilograms).The smallest otter is the Asian small-clawed otter, which grows up to 2.9 fee… Adults can reach an average body length of 22 to 28 inches with a tail length of 14 to 18 inches. Social groups are generally composed of the female and her offspring. Its feet are equipped with claws and webs for swimming. This offers a chance at re-population, if worst comes to worst. The river otter is Minnesota's largest aquatic carnivore that lives in most northern Minnesota lakes, ponds, and streams. River otters are long-bodied, well-muscled animals, with relatively short legs, five webbed toes on all four feet, (most carnivores have 4 toes on the rear foot), and a long flat tail used as a rudder in the water. River otters eat 15% to 20% of their total body weight each day. The situation was particularly serious in southern and central England, with otters vanishing from these areas completely, becoming locally extinct. The biological name is Lontra Canadensis. In Argentina, it is found along the Andes from Tierra del Fuego all the way to the southern part of … It surrounds Nahuel Huapi Lake in the foothills of the Patagonian Andes. It has velvety dark brown hair and light or grayer underparts. and are the smallest marine mammal in North America. Los Alerces National Park is located in the Andes in Chubut Province in the Patagonian region of Argentina. Marshes may also be very important habitat for raising young and as a source of frogs. The viability of the small remaining population is an outstanding concern to researchers. GIANT OTTERS ARE SUPER CHATTY. It has velvety dark brown hair and light or grayer underparts. River otter reaches a length of … The 13 extant otter species are all semiaquatic, aquatic or marine, with diets based on fish and invertebrates. A group of otters is called a raft, according to the San Diego Zoo. Southern sea otters usually submerge for about 52 to 90 seconds, but the longest dive recorded was four minutes and 25 seconds long. They grow to one meter (3 to 4 ft) in length and weigh from five to 15 kilograms (10 to 30 lb). Their sleek, streamlined bodies are perfect for diving and swimming. Its western boundary coincides with the Chilean border. This is due to the fact that the conditions they live under could be compromised easily and that could lead to a significant reduction in their numbers in very little time. At this point, only seven known populations of this species are found throughout Chile and Argentina, and all of the populations are isolated from each other. The giant otter or giant river otter (Pteronura brasiliensis) is a South American carnivorous mammal. It sometimes is considered a subspecies of Lontra canadensis. It grows from 4.9 to 5.9 feet (1.5 to 1.8 meters) long. If conservationists know where the individuals and families live, enforcement of antipoaching laws, as well as focusing on maintaining and protecting their habitats, will be easier. She has worked with the endangered Ethiopian wolf, the Serengeti cheetah and the Atlantic salmon. This national park covers about 2,530 km2 (977 sq mi) and is almost entirely in the Andes mountain chain. It is endangered in some parts of its range, but is recovering in others. Interesting Facts North American river otters are semi-aquatic mammals endemic to the U.S. and Canada. The southern river otter is listed as endangered, due to illegal hunting, water pollution, and habitat loss. Other mustelids include ferrets and mink. These hydrodynamic members of the weasel family are voracious predators. They are primarily nocturnal and solitary. The southern river otter is found in the southern parts of Chile and western Argentina. River otters (Lontra canadensis) are now found throughout most of Indiana, thanks to efforts of the DNR and its partners.In 1995, the DNR began a reintroduction program aimed at re-establishing a healthy otter population in several watersheds of northern and southern Indiana. It lives in both saltwater and freshwater environments. It is also known as the Southern river otter and river wolf. The otter is the largest member of the weasel family. Facts about River Otters talk about an animal, which can be found on the coasts or waterways of North America. This otter can dive to 300 feet in search of food. Dam and road construction, as well as stream canalization and drainage for agriculture destroy many acres of what could be habitat for this species. They swim using their webbed paws as flippers, and for added speed they will undulate the torso like a dolphin. The southern river otter (Lontra provocax) is a species of otter that lives in Chile and Argentina.Although called a "river otter", it inhabits both marine and freshwater environments. It sometimes is considered a subspecies of Lontra canadensis . ... southern sea otters—known as California sea otters—have been making a comeback in recent years. It makes its home in a burrow near the water's edge, and can thrive in river, lake, swamp, or estuary ecosystems. It can swim and maneuver better than many fish, and swims with only the top of its head out of the water. The largest of the national parks in the region, it has an area of 7,050 km2 (2,720 sq mi), or nearly 2 million acres. Sea otters also have thick, brown fur that insulates them against the … [2] Though Argentina began passing legislation in 1960 to outlaw the hunting of the southern river otter, hunting still does occur because of the lack of enforcement. ... River otters can swim at a speed of 11 kilometers per hour and sea otters swim at a speed of 9 kilometers per hour. In warmer times, you may also see otters sliding down a riverbank. Because of range expansion, the American mink is classed as a least-concern species by the IUCN. Southern Sea Otter. Although the Giant otter is prevalent in the southern part of the Neotropics, especially in the Amazon basin, the Southern river otter is the only species of otter found in Costa Rica. This distinction goes to the sea otter. Among freshwater taxa, the Amazonian manatee and river dolphins are completely aquatic and fully dependent on aquatic ecosystems. The river otter's eyes and ears are located high on its head for surface swimming. Its natural habitats are subtropical or tropical moist lowland forest, subtropical or tropical mangrove forest, subtropical or tropical swamps, subtropical or tropical moist montane forest, subtropical or tropical moist shrubland, subtropical or tropical seasonally wet or flooded lowland grassland, rivers, intermittent rivers, shrub-dominated wetlands, swamps, freshwater lakes, intermittent freshwater lakes, freshwater marshes, intermittent freshwater marshes, freshwater spring, inland deltas, saline lakes, intermittent saline lakes, saline marshes, intermittent saline marshes, shallow seas, subtidal aquatic beds, rocky shores, sandy shores, estuarine waters, intertidal flats, intertidal marshes, coastal saline lagoons, coastal freshwater lagoons, water storage areas, ponds, aquaculture ponds, seasonally flooded agricultural land, and canals and ditches. [4] The surveyors spoke with people who live and work near these areas, and looked for prints and droppings of the southern river otter, while also looking for signs of the American mink. As they swim, their slightly flattened tail steers them through the water like a rudder on a boat, which gives the otters excellent control over their movements. Although called a "river otter", it inhabits both marine and freshwater environments. They can weigh up to 20 lb. [5] The results showed signs of the southern river otter were found in 32 of the 275 surveyed sites within the three parks. This saltwater exclusivity is unlike most other otter species, except for the almost fully aquatic sea otter of the north Pacific. The southern river otter is a rare amphibious mammal that inhabits a limited number of rivers, lakes, canals, and heavily vegetated coastal areas of Chile and Argentina in Patagonia, South America. Body weight ranges from 5–15 kilograms (11–33 lb). The marine otter is a rare and relatively unknown South American mammal of the weasel family (Mustelidae). Modern efforts in sea otter conservation began in the early 20th century, when the sea otter was nearly extinct due to large-scale commercial hunting. The property is vital for the protection of some of the last portions of continuous Patagonian Forest in an almost pristine state and is the habitat for a number of endemic and threatened species of flora and fauna. The North American river otter, also known as the northern river otter or the common otter, is a semiaquatic mammal endemic to the North American continent found in and along its waterways and coasts. The southern river otter (Lontra provocax) is a species of otter that lives in Chile and Argentina. Search for an endangered species profile. These propel them through the water at high speeds to help them hunt. Population estimates are unavailable. It is known as the common otter or northern river otter. The largest otter is the giant otter. The southern river otter is generally brown dorsally, with a lighter, grayer underside. The southern river otter can be found in marine, freshwater, and terrestrial habitats, but are mostly found in freshwater lakes and rivers having a significant amount of dense vegetation, especially along the shorelines, which must be present to use as cover. A river otter in England. River otters eat a variety of fish and shellfish, as well as small land mammals and birds. Otters are very social creatures. Check out our They can grow to be more than a meter long, from head to tail, and weight up to 14 kg. The marine otter only lives in saltwater, coastal environments and rarely ventures into freshwater or estuarine habitats. River otters spend two-thirds of the time on land. It has velvety dark brown hair and light or grayer underparts. Northern River Otter, North American River Otter, Canadian Otter, Common Otter, North American Otter, Northern American River Otter, River Otter The Valdivian Coastal Range has a healthy population on the Marine otte… In 2012 IUCN uplisted the species from Endangered to Critically Endangered. (Image credit: U.K. Three other species: southern river otters, neotropical river otters, and marine otters … Otters tend only enter the water to hunt, which most do for 3 to 5 hours a day, or travel. List of all endangered species (animals & plants). Lutrinae is a branch of the Mustelidae family, which also includes weasels, badgers, honey badgers, martens, minks, polecats, and wolverines. Southern river otters, Lontra provocax, are only found in central and southern Chile and parts of Argentina. The southern river otter (Lontra provocax) is a type of otter. They include the Southern River Otter, Hairy Nosed Otter, Giant Otter, and the India Smooth Coated Otter. image: cdn1.arkive.org All otters have long, slim, streamlined bodies of extraordinary grace and flexibility, and short limbs; in most cases they have webbed paws. Adults grow to about three feet in length and weigh 10-20lbs. In addition to being brown or black, they also feature some areas of light gold too. The adult male weighs around 11.3 kg (25 lb); while the female weighs up to 8.3 kg (18 lb). Whether it’s a lake, river, swamp or estuary, otters like a mix of land and water. Metabolism. They include the various marine mammals who dwell in oceans, as well as various freshwater species, such as the European otter. The Valdivian temperate forests (NT0404) is an ecoregion on the west coast of southern South America, in Chile and extending into Argentina. Although called a "river otter", it inhabits both marine and freshwater environments. Yendegaia National Park is located in Tierra del Fuego in the Magallanes y la Antártica Chilena Region of Chile and contains 150,612 ha of mountainous terrain and Valdivian temperate rain forest. The continual decrease in prey numbers also causes problems for the southern river otter. Otters have an acute sense of smell, hearing and eyesight. It is also known as the Southern river otter and river wolf. Southern river otters have the smallest range of any otter, and can only be found in southern and central Chile and southern Argentina. Adults grow to about three feet in length and weigh 10-20lbs. River Otter (Lutra canadensis)Species Code: LUCA Description The River Otter is built for swimming - they have a streamlined body, short legs with webbed feet, dense fur that keeps otters warm, a tapered tail, small ears, and nostrils that can close underwater. It is threatened by habitat loss. Japanese otter (Lutra nippon). River otters can hold their breath for up to 8 minutes while under water. The playful North American river otter is equally at home in the water and on land. The Argentine Monte (NT0802), or Low Monte, is an ecoregion of dry thorn scrub and grasslands in Argentina. The alerce forests in the park are in an excellent state of conservation. The riparian forests and rivers in which these otters are mostly found have been disturbed by human presence. Their diets include fish, crustaceans, mollusks, and birds. If it appears incomplete or if you wish to see article references, visit the rest of its contents, Eight Inexpensive Ways You Can Help Endangered Species. Otters are members of the family Mustelidae, the most species-rich family in the order Carnivora. Southern River Otter (Lontra provocax) North American River Otter (Lontra canadensis) Smooth coated Otter (Lutrogale perspicillata) Hairy nosed Otter (Lutra sumatrana) Congo Clawless Otter (Aonyx congicus) Eurasian Otter (Lutra lutra) Biological/outstanding features. River otters possess long, muscular bodies suited to their life on both land and in water. They tend … Hunting is legal and does occur in Chile. Sea otters can reach 9kph underwater, North American river otters are faster at 11kph, and the maximum speed of the giant river otter is an impressive 14kph. The giant otter or giant river otter (Pteronura brasiliensis) is a South American carnivorous mammal. games and coloring pages! However, while southern river otters face significant threats from humans, they have a number of adaptations that make them well suited for their natural environment. The American mink is a carnivore that feeds on rodents, fish, crustaceans, frogs, and birds. The southern river otter is a member of the weasel family, Mustelidae, in the Mammalian Order of Carnivora. Body weight averages about 5–10 kg (11-22 lbs). The southern river otter is generally brown dorsally, with a lighter, grayer underside. These are very long animals with large sized heads. Otters are adorable creatures that live both on land and in the water. Breeding After a gestation period of approximately 2 months, Southern River Otters give birth to 1 - 4 cubs. References ↑ Sepúlveda, M.A. 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. Species: Neotropical, Southern River, Marine and Giant Otter. SIZE: 1-1.3m: WEIGHT: 7-9 kg: DIET: Fish (80%), birds, small mammals, frogs: GESTATION: 9 weeks: OFFSPRING: 2-3 cubs: HOME … The mammal was identified as a species of otter and has a variety of common names, including North American river otter, northern river otter, common otter and, simply, river otter. Some of the best known are the giant otter, the sea otter, the European otter, the Northern river otter among others. Southern River Otters feed on fish, mollusks, crustaceans and birds. Otters thrive on land and in the water. It is the noisiest otter species, and distinct vocalizations have been documented that indicate alarm, aggression, and reassurance. The Neotropical otter is the only species which is widespread especially in the central and northern parts of the country. Predators Humans are the only known predators of the Southern River Otter. The southern river otter is also affected by pollution of wetlands, since this species requires clean water. Southern sea otter has a high metabolic rate that is about 2.5 times greater than that of terrestrial animals. Review the size of the southern river otter's geographic range compared to other otters Determine how southern river otters are suited to their natural environment; Practice Exams. The Northern River Otter is found both in Canada and the United States. It is found in Chile and Argentina. And you definitely don’t want to mess with giant otters, just check out this clip below! Dogs that were used to hunt otters were called otterhounds. They used a lot of methods to hunt otters. It is part of the Neotropical ecozone. The length of the neotropical otter can range from 36–66 centimetres (14–26 in), plus a tail of 37–84 centimetres (15–33 in). It is physically similar to the northern and southern river otter, which occur directly north and south of this species' range. Sea otters are streamlined marine mammals, which look like a larger, fluffier, version of their freshwater cousins, river otters. In the United States Otters are protected under the Endangered Species Act. Aquatic and semiaquatic mammals are a diverse group of mammals that dwell partly or entirely in bodies of water. The North American river otter (Lontra canadensis) is a semiaquatic mammal in the weasel family. This is due to the fact that the conditions they live under could be compromised easily and that could lead to a significant reduction in their numbers in very little time. The North American river otter (Lontra canadensis) became one of the major animals hunted and trapped for fur in North America after European contact. Their body shape aids in helping them make sudden turns to catch fish and other prey. River otters are smaller than their cousins, the sea otters. "Lontra provocax". They have both claws and webbed feet that help them in the water and on land. In 2014, a study of giant otters found that the river-dwellers … This medium-sized otter's body can grow up to 2.5 ft (70 cm) long, with a tail adding about 16 in (40 cm). They can grow to be more than a meter long, from head to tail, and weight up to 14 kg. Since then, they have not been able to recover due to a number of other threats. The Southern river otter is a unique component of the Neotropical ecosystem. Subspecies There are no subspecies of the Southern River Otter. It has a long body, a flat head with small ears, and a broad muzzle with whiskers. While otters completely disappeared from the rivers of most of central and southern England in just 50 years, their future now looks much brighter. It is the animal most frequently farmed for its fur, exceeding the silver fox, sable, marten, and skunk in economic importance. Breeding After a gestation period of approximately 2 months, Southern River Otters give birth to 1 - 4 cubs. Not all otters use tools, but sea otters use them all the time. This is good news for conservation efforts due to the fact that cross genus cloning efforts have come a long way in recent years. The river otter food chain includes many types of fish, mollusks, crustaceans, aquatic plants and roots, eggs, and some small mammals and birds. Would you like to receive a notice and link when the The river otter is protected and insulated by a thick, water-repellent coat of fur. Such areas can be made more attractive to otters by establishing “otter havens,” where river banks are planted-up and kept free from human disturbance. Dada Gottelli is a British Zoologist. They’re semi-aquatic mammals, which means that they need both land and water habitat to survive. This species has been exterminated from much of its range in Chile by hunting. There are 13 otter species: giant, marine, sea, hairy-nosed, smooth-coated, speckle-throated, northern river, southern river, neotropical river, African clawless, Congo clawless, Asian small-clawed and Eurasian. The River otter is associated with river, lake, pond or marsh habitats, but may make extensive overland excursions from one … The groups are centered on a dominant breeding pair and are extremely cohesive and cooperative. It makes its home in a burrow near the water's edge, and can thrive in river, lake, swamp, or estuary ecosystems. By land and by sea. Semiaquatic freshwater taxa include the Baikal seal, which feeds underwater but rests, molts, and breeds on land; and the capybara and hippopotamus which are able to venture in and out of water in search of food. Its feet are equipped with claws and webs for swimming. River otters can dive to a depth of 60 feet. Other mustelids include ferrets and mink. The Southern River Otter is closely related to many other otter species, including the North American River Otter, and the marine otter. It is one of the driest regions in the country. It lives in both saltwater and freshwater environments. Their fur is thick a… By 1911, hunting for the animal's luxurious fur had reduced the sea otter population to fewer than 2000 individuals in the most remote and inaccessible parts of its range. A highly distinctive and emblematic feature is its alerce forest; the globally threatened alerce tree is the second longest living tree species in the world. Its western entrance is close to the Ensenada locality, 82 km (51 mi) northeast of the provincial capital of Puerto Montt, and 64 km (40 mi) from Puerto Varas along Ruta CH-225. 10 facts about the giant river otter: The giant river otter is giant, measuring in at 1.5-1.8 m and weighing in at 22-32 kg! The south Andean deer, also known as the southern guemal, Chilean huemul or güemul, is an endangered species of deer native to the mountains of Argentina and Chile. They have four legs to move easily on land, and a long tail to swim through the water. One survey in particular was performed to determine if any of this species live within these protected areas. Successive glaciations have molded the landscape in the region creating spectacular features such as moraines, glacial cirques and clear-water lakes. Southern river otter (Lontra provocax) images and facts - this gallery includes stock photos of the Southern river otter, which has the smallest geographical range of any other otter species. It sometimes is considered a subspecies of Lontra canadensis.The southern river otter is listed as endangered, due to illegal hunting, water pollution, and habitat loss. This causes the otters to move to other freshwater systems to hunt for food. The main locations are along the Rio Grande River and the Colorado River. Southern river otter range The southern river otter (Lontra provocax) is a type of otter. In the United States Otters are protected under the Endangered Species Act. Of the 32 confirmed sites, 31 were of dense forest with thick undergrowth near the shorelines of freshwater systems. They can grow to be more than a meter long, from head to tail, and weight up to 14 kg. The southern river otter (Lontra provocax) is a type of otter.It is found in Chile and Argentina.It lives in both saltwater and freshwater environments.It is an endangered species because of poaching, water pollution, and habitat loss.. References The main cause of decline is loss of habitat and hunting for its fur. It is recognized by its powerful neck and elongated body. ; Valenzuela, A.E.J. Several of the known populations are found within national forests. They are not a taxon and are not unified by any distinct biological grouping, but rather their dependence on and integral relation to aquatic ecosystems. The southern river otter (Lontra provocax) is a species of otter that lives in Chile and Argentina. Otter is a common name for a carnivorous mammal in the subfamily Lutrinae. It has velvety dark brown hair and light or grayer underparts. Sea otters, Enhydra lutris (Linnaeus, 1758), are the largest member of the Family Mustelidae (70 species of river otters, skunks, weasels, badgers, etc.) The vegetation is dominated by dense temperate forests, which give way to alpine meadows higher up under the rocky Andean peaks. A giant otter … One of two mid-sized deer of the Hippocamelus genus, the south Andean deer ranges across the high mountainsides and cold valleys of the Andes. To eight members legally protected both locally and internationally hunt otters were called otterhounds an excellent state of.. 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