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. In the United States Otters are protected under the Endangered Species Act. Otters are very social creatures. While otters completely disappeared from the rivers of most of central and southern England in just 50 years, their future now looks much brighter. GIANT OTTERS ARE SUPER CHATTY. These hydrodynamic members of the weasel family are voracious predators. 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. Southern River Otters feed on fish, mollusks, crustaceans and birds. An adult North American river otter can weigh between 5.0 and 14 kg. The giant river otter (Pteronura brasiliensis) is the largest member of the mustelid family, which includes otters, weasels, and ferrets, and are by far the loudest member of the group.Giant river otters are very sociable and live in families of between 3-10 individuals that hunt together. 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. Males weigh 22-45 kg and are 1.2-1.5 m in length. The river otter is Minnesota's largest aquatic carnivore that lives in most northern Minnesota lakes, ponds, and streams. [3] Some invasive aquatic species that have been introduced into that area are limiting the mollusks and fish available for otter prey. Since then, they have not been able to recover due to a number of other threats. Deforestation and over-grazing around these settlements have caused desertification. The species is legally protected both locally and internationally. Would you like to receive a notice and link when the Dogs that were used to hunt otters were called otterhounds. Future directions for conserving this species include obtaining better information on the southern river otter's population numbers and locations. It has a long body, a flat head with small ears, and a broad muzzle with whiskers. 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. They tend … The mink was introduced into this area and is thought to compete with the southern river otter for food resources and habitat space. They are highly adaptable animals so as long as they have access to enough food and water they can thrive. 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. ... River otters can swim at a speed of 11 kilometers per hour and sea otters swim at a speed of 9 kilometers per hour. They have four legs to move easily on land, and a long tail to swim through the water. 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 recognized by its powerful neck and elongated body. The Neotropical otter is the only species which is widespread especially in the central and northern parts of the country. 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. Otters always wash themselves after every meal. River otters can hold their breath for up to 8 minutes while under water. Otter and Human Relationship Humans have hunted otters since the 1700s. 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. Only one otter species seems to be thriving, and that's the North American River Otter. Southern river otters were vigorously hunted for their pelts throughout the last 100 years. The giant otter or giant river otter (Pteronura brasiliensis) is a South American carnivorous mammal. North American river otter (Lontra canadensis) Amazonian river otter (Lontra longicaudis). Vicente Pérez Rosales National Park is located in Los Lagos Region, Llanquihue Province, of Chile. 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. Other mustelids include ferrets and mink. This offers a chance at re-population, if worst comes to worst. The author surveyed three parks in Argentina: Lanin, Puelo, and Los Alerces National Parks. 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. The main cause of decline is loss of habitat and hunting for its fur. In the United States Otters are protected under the Endangered Species Act. Are you inspired by endangered animals? River otters and giant otters hunt by using their vibrissae to detect movements of prey in the water. Three other species: southern river otters, neotropical river otters, and marine otters … Darren Tansley, River Catchment Coordinator at Essex Wildlife Trust, says, 'By the mid-1950s otters started to become badly affected by pollution in the watercourses, among other pressures. Although generally peaceful, the species is territorial, and aggression has been observed between groups. The scientific name means "otter cat", and in Spanish, the marine otter is also often referred to as gato marino: "marine cat". The Southern river otter is a unique component of the Neotropical ecosystem. Habits. Interesting Facts 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. This article will refer to the twelve species of river otter, information about sea otters can be viewed here.Read on to learn about the otter. The 13 extant otter species are all semiaquatic, aquatic or marine, with diets based on fish and invertebrates. Facts about River Otters talk about an animal, which can be found on the coasts or waterways of North America. It makes its home in a burrow near the water's edge, and can thrive in river, lake, swamp, or estuary ecosystems. Because of range expansion, the American mink is classed as a least-concern species by the IUCN. 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. Aquatic and semiaquatic mammals are a diverse group of mammals that dwell partly or entirely in bodies of water. In Peru, the giant river otter is classified as Endangered by the decree, DS 004-2014-MINAGRI. Although called a "river otter", it inhabits both marine and freshwater environments. River Otters. It lives in both saltwater and freshwater environments. Not all otters use tools, but sea otters use them all the time. Their toes are webbed, they have short legs and they boast a tapered tail ranging up to 15 inches long. Los Alerces National Park is located in the Andes in Chubut Province in the Patagonian region of Argentina. They can weigh up to 20 lb. The playful North American river otter is equally at home in the water and on land. 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! 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 river otter's eyes and ears are located high on its head for surface swimming. Large river otter (Lontra provocax). It is found in Chile and Argentina. River otters belong to the weasel family. It is endangered in some parts of its range, but is recovering in others. They have both claws and webbed feet that help them in the water and on land. 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. A large male may consume as much as 11 kg (25 lb.) Some of the best known are the giant otter, the sea otter, the European otter, the Northern river otter among others. They swim using their webbed paws as flippers, and for added speed they will undulate the torso like a dolphin. Southern Sea Otter. Breeding may occur in July and August, and the female gives birth to up to 4 pups after a gestation period of 60 days. 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. Southern river otters have the smallest range of any otter, and can only be found in southern and central Chile and southern Argentina. The Cameroon clawless otter is a subspecies of the African clawless otter in the family Mustelidae. The Valdivian Coastal Range has a healthy population on the Marine otte… Their fur is thick a… They communicate via whistles, twittering noises and spitting sounds, which can be heard at night when it is quiet and still. 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. It has a long body, a flat head with small ears, and a broad muzzle with whiskers. 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). It is know population in freshwater habitats are confined to seven isolated areas between Cautin and Futaleufu. She is a Senior Research Technician with the Institute of Zoology, the research division of the Zoological Society of London. 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. 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. 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. There are 13 species of otter found all around the world. Hunting is legal and does occur in Chile. They include the Southern River Otter, Hairy Nosed Otter, Giant Otter, and the India Smooth Coated Otter. It grows from 4.9 to 5.9 feet (1.5 to 1.8 meters) long. Adults grow to about three feet in length and weigh 10-20lbs. In warmer times, you may also see otters sliding down a riverbank. They can grow to be more than a meter long, from head to tail, and weight up to 14 kg. Breeding After a gestation period of approximately 2 months, Southern River Otters give birth to 1 - 4 cubs. of food daily. The southern river otter is generally brown dorsally, with a lighter, grayer underside. It sometimes is considered a subspecies of Lontra canadensis. It has velvety dark brown hair and light or grayer underparts. It prefers to eat crayfish and freshwater mussels. Subspecies There are no subspecies of the Southern River Otter. Social groups are generally composed of the female and her offspring. The southern river otter is also affected by pollution of wetlands, since this species requires clean water. The Southern River Otter is closely related to many other otter species, including the North American River Otter, and the marine otter. These propel them through the water at high speeds to help them hunt. The continual decrease in prey numbers also causes problems for the southern river otter. Although the female and her young will live in family groups, males are usually solitary. Although called a "river otter", it inhabits both marine and freshwater environments. Some of the best known are the giant otter, the sea otter, the European otter, the Northern river otter among others. River otters are rambunctious, aquatic, streamlined mammals that spend much of their time in the water. Southern river otter range The southern river otter (Lontra provocax) is a type of otter. ; Valenzuela, A.E.J. Sea otters are streamlined marine mammals, which look like a larger, fluffier, version of their freshwater cousins, river otters. The alerce forests in the park are in an excellent state of conservation. 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. 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. A giant otter … 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. 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. This semiaquatic mammal has the weight of 11 to 30.9 lb or 5 to 14 kilograms. The hooded grebe, is a medium-sized grebe found in the southern region of Argentina. 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. Northern River Otter, North American River Otter, Canadian Otter, Common Otter, North American Otter, Northern American River Otter, River Otter This tail serves to propel the otters through water. Species: Southern River and Marine Otter The Southern River Otter is endangered in Chile and has disappeared from its northern range through hunting and loss of suitable habitat (Medina-Vogel et al 2003). Adults can reach an average body length of 22 to 28 inches with a tail length of 14 to 18 inches. Its landscapes represent the north Patagonian Andean Zone consisting of three types, namely, the Altoandino, the Andino-Patagónico and the Patagonian steppe. Their diets include fish, crustaceans, mollusks, and birds. Dada Gottelli is a British Zoologist. Their habitats also need the root systems of mature trees, as well as fallen tree debris. The southern river otter is listed as endangered, due to illegal hunting, water pollution, and habitat loss. The Marine Otter is declining with important populations on Isla Catchagua in central Chile and Chiloe island to the south. They include the Southern River Otter, Hairy Nosed Otter, Giant Otter, and the India Smooth Coated Otter. The giant otter or giant river otter (Pteronura brasiliensis) is a South American carnivorous mammal. They can grow to be more than a meter long, from head to tail, and weight up to 14 kg. Males are larger in size than females (see photos). River otters eat a variety of fish and shellfish, as well as small land mammals and birds. Lutrinae is a branch of the Mustelidae family, which also includes weasels, badgers, honey badgers, martens, minks, polecats, and wolverines. The otter is the largest member of the weasel family. Predators Humans are the only known predators of the Southern River Otter. The giant otter is the biggest, the most dangerous, the deadliest. North American river otters are semi-aquatic mammals endemic to the U.S. and Canada. It sometimes is considered a subspecies of Lontra canadensis. 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. (Image credit: U.K. A group of otters is called a raft, according to the San Diego Zoo. Environment Agency.) SIZE: 1-1.3m: WEIGHT: 7-9 kg: DIET: Fish (80%), birds, small mammals, frogs: GESTATION: 9 weeks: OFFSPRING: 2-3 cubs: HOME … Otters are members of the family Mustelidae, the most species-rich family in the order Carnivora. The Eurasian otter has a diet mainly of fish, and is strongly territorial. River otter reaches a length of … The American mink is a carnivore that feeds on rodents, fish, crustaceans, frogs, and birds. ; Pozzi, C.; Medina-Vogel, G.; Chehébar, C. (2015). It is threatened by habitat loss. The Northern River Otter is found both in Canada and the United States. River otters have long, stiff and highly sensitive facial whiskers that aid in locating and capturing prey. A third eyelid, or nictitating membrane, protects the eye and allows the otter to see when swimming underwater. Southern sea otters (Enhydra lutris nereis), also known as California sea otters, were listed as threatened in 1977 under the Endangered Species Act. Hallo! River otters can dive to a depth of 60 feet. The tail comprises less than a third of the body length. It is an endangered species because of poaching, water pollution, and habitat loss. This species has been exterminated from much of its range in Chile by hunting. 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. The Argentine Monte (NT0802), or Low Monte, is an ecoregion of dry thorn scrub and grasslands in Argentina. Ecological extinction is "the reduction of a species to such low abundance that, although it is still present in the community, it no longer interacts significantly with other species". The level of dependence on aquatic life varies greatly among species. Otters are carnivorous mammals in the subfamily Lutrinae. It is part of the Neotropical ecozone. In Argentina, it is found along the Andes from Tierra del Fuego all the way to the southern part of … Its feet are equipped with claws and webs for swimming. River otters possess long, muscular bodies suited to their life on both land and in water. North American river otters are semi-aquatic mammals endemic to the U.S. and Canada. The Valdivian temperate rainforests are characterized by their dense understories of bamboos, ferns, and for being mostly dominated by evergreen angiosperm trees with some deciduous specimens, though conifer trees are also common. Its eyes are placed at the top of the head, so it can remain alert whilst the rest of the body is underwater. The largest otter is the giant otter. They come in many sizes. This otter can dive to 300 feet in search of food. Their sleek, streamlined bodies are perfect for diving and swimming. This is good news for conservation efforts due to the fact that cross genus cloning efforts have come a long way in recent years. Species: Neotropical, Southern River, Marine and Giant Otter. A river otter in England. List of all endangered species (animals & plants). Its western boundary coincides with the Chilean border. Identification After an absence of more than a century, its range is again extending into southern Minnesota. They include the various marine mammals who dwell in oceans, as well as various freshwater species, such as the European otter. Its feet are equipped with claws and webs for swimming. The North American river otter (Lontra canadensis) is a semiaquatic mammal in the weasel family. They feature hair that is very dense. It is also known as the Southern river otter and river wolf. Amphibious, muscular river otters swim gracefully and quickly underwater to catch prey, and they can run on land. River Otter (Lutra canadensis) What they look like: The River Otter is built for swimming - they have a streamlined body, short legs with webbed feet, dense fur that keeps them warm, a tapered tail, small ears, and nostrils that can close underwater. The Eurasian otter, also known as the European otter, Eurasian river otter, common otter, and Old World otter, is a semiaquatic mammal native to Eurasia. Whether it’s a lake, river, swamp or estuary, otters like a mix of land and water. The marine otter is a rare and relatively unknown South American mammal of the weasel family (Mustelidae). Southern river otters, Lontra provocax, are only found in central and southern Chile and parts of Argentina. Metabolism. Other documented common names are American otter, Canada otter, Canadian otter, fish otter, land otter, nearctic river otter, and Prince of Wales otter. Otter is a common name for a carnivorous mammal in the subfamily Lutrinae. It is also known as the Southern river otter and river wolf. Litter sizes average one to two pups, but up to four can be born at a time. The southern river otter (Lontra provocax) is a species of otter that lives in Chile and Argentina. It borders the Alberto de Agostini National Park and Tierra del Fuego National Park. 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. ... southern sea otters—known as California sea otters—have been making a comeback in recent years. Males are larger in size than females (see phot Females are slightly smaller, weighing 14-33 kg and measuring 1-1.4 m in length. It lives in both saltwater and freshwater environments. You will notice that they have extremely long whiskers as well. They grow to one meter (3 to 4 ft) in length and weigh from five to 15 kilograms (10 to 30 lb). The Southern River Otter (Lontra provocax) is a species of otter that lives in Chile and Argentina. The North American river otter (Lontra canadensis) became one of the major animals hunted and trapped for fur in North America after European contact. Body weight ranges from 5–15 kilograms (11–33 lb). Baby otters are called pups. References ↑ Sepúlveda, M.A. The southern river otter is found in the southern parts of Chile and western Argentina. 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. Methods of Collecting Food. It is found in Chile and Argentina. Several of the known populations are found within national forests. Dam and road construction, as well as stream canalization and drainage for agriculture destroy many acres of what could be habitat for this species. The River otter is associated with river, lake, pond or marsh habitats, but may make extensive overland excursions from one … It is the longest member of the weasel family, Mustelidae, a globally successful group of predators, reaching up to 1.7 metres (5.6 ft). It is the longest member of the weasel family, Mustelidae, a globally successful group of predators, reaching up to 1.7 metres (5.6 ft).Atypical of mustelids, the giant otter is a social species, with family groups typically supporting three to eight members. It surrounds Nahuel Huapi Lake in the foothills of the Patagonian Andes. new Creature Feature is posted? Nahuel Huapi National Park is the oldest national park in Argentina, established in 1934. It is known as the common otter or northern river otter. games and coloring pages! Population estimates are unavailable. These are very long animals with large sized heads. The first is that they have incredibly powerful little legs. Otter is a common name for a carnivorous mammal in the subfamily Lutrinae. 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 marine otter only lives in saltwater, coastal environments and rarely ventures into freshwater or estuarine habitats. Atypical of mustelids, the giant otter is a social species, with family groups typically supporting three to eight members. Can otters use tools? River otters belong to the weasel family. Otters come from Brazil, giant otters share the South American continent with 3 of the 4 local representatives of the genus lontra neotropical river otter, southern river otter, and sea otter. Sea otters, Enhydra lutris (Linnaeus, 1758), are the largest member of the Family Mustelidae (70 species of river otters, skunks, weasels, badgers, etc.) It also represents small parts of the Valdivian Rainforest. Captive breeding programs would also be beneficial for this species, to later reintroduce individuals into the areas where they were previously found in. Males weigh up to 90 lbs. Otters have an acute sense of smell, hearing and eyesight. The sea otter was once abundant in a wide arc across the North Pacific ocean, from northern Japan to Alaska to Mexico. It is also known as neotropical river otter, a long-tailed otter. [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. It sometimes is considered a subspecies of Lontra canadensis . Of the 32 confirmed sites, 31 were of dense forest with thick undergrowth near the shorelines of freshwater systems. The situation was particularly serious in southern and central England, with otters vanishing from these areas completely, becoming locally extinct. Adults grow to about three feet in length and weigh 10-20lbs. It has a long body, a flat head with small ears, and a broad muzzle with whiskers. Other mustelids include ferrets and mink. The southern river otter (Lontra provocax) is a type of otter. The southern river otter is generally brown dorsally, with a lighter, grayer underside. One survey in particular was performed to determine if any of this species live within these protected areas. Its feet are equipped with claws and webs for swimming. The biological name is Lontra Canadensis. It can swim and maneuver better than many fish, and swims with only the top of its head out of the water. They used a lot of methods to hunt otters. There are 13 species of otter found all around the world. The southern river otter is found in the southern parts of Chile and western Argentina. The neotropical otter or neotropical river otter is an otter species found in Central America, South America and the island of Trinidad. This causes the otters to move to other freshwater systems to hunt for food. The distribution and habitat, behaviour, and diet of the deer have all been the subject of study. Successive glaciations have molded the landscape in the region creating spectacular features such as moraines, glacial cirques and clear-water lakes. It is found in Cameroon, Republic of the Congo, Democratic Republic of the Congo, Gabon, and possibly Angola, Burundi, Central African Republic, Equatorial Guinea, Nigeria, Rwanda, or Uganda. Japanese otter (Lutra nippon). 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. 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 southern river otter is found in the southern parts of Chile and western Argentina. In 2012 IUCN uplisted the species from Endangered to Critically Endangered. The southern river otter (Lontra provocax) is a species of otter that lives in Chile and Argentina. They typically use … Breeding After a gestation period of approximately 2 months, Southern River Otters give birth to 1 - 4 cubs. It is the animal most frequently farmed for its fur, exceeding the silver fox, sable, marten, and skunk in economic importance. The groups are centered on a dominant breeding pair and are extremely cohesive and cooperative. Body weight averages about 5–10 kg (11-22 lbs). 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. 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. 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 vegetation is dominated by dense temperate forests, which give way to alpine meadows higher up under the rocky Andean peaks. Otters are adorable creatures that live both on land and in the water. The playful North American river otter is equally at home in the water and on land. 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. and are the smallest marine mammal in North America. Otters are adorable creatures that live both on land and in the water. Sea otters also have thick, brown fur that insulates them against the … (41 kilograms).The smallest otter is the Asian small-clawed otter, which grows up to 2.9 fee… 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 viability of the small remaining population is an outstanding concern to researchers. The giant otter is diurnal, being active exclusively during daylight hours. This saltwater exclusivity is unlike most other otter species, except for the almost fully aquatic sea otter of the north Pacific. The Valdivian temperate forests (NT0404) is an ecoregion on the west coast of southern South America, in Chile and extending into Argentina. The southern river otter is generally brown dorsally, with a lighter, grayer underside. Its fur is dark-brown on the top and has a lighter cinnamon color on its underside.