11 Jan southern river otter facts
It has a long body, a flat head with small ears, and a broad muzzle with whiskers. River otters eat a variety of fish and shellfish, as well as small land mammals and birds. Southern sea otter has a high metabolic rate that is about 2.5 times greater than that of terrestrial animals. You will notice that they have extremely long whiskers as well. They can grow to be more than a meter long, from head to tail, and weight up to 14 kg. Body weight ranges from 5–15 kilograms (11–33 lb). Body weight averages about 5–10 kg (11-22 lbs). It is recognized by its powerful neck and elongated body. The adult male weighs around 11.3 kg (25 lb); while the female weighs up to 8.3 kg (18 lb). 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. The alerce forests in the park are in an excellent state of conservation. Other mustelids include ferrets and mink. new Creature Feature is posted? The level of dependence on aquatic life varies greatly among species. A third eyelid, or nictitating membrane, protects the eye and allows the otter to see when swimming underwater. Whether it’s a lake, river, swamp or estuary, otters like a mix of land and water. The River otter is associated with river, lake, pond or marsh habitats, but may make extensive overland excursions from one … The continual decrease in prey numbers also causes problems for the southern river otter. By land and by sea. 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. 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. Although called a "river otter", it inhabits both marine and freshwater environments. Are you inspired by endangered animals? The tail comprises less than a third of the body length. This semiaquatic mammal has the weight of 11 to 30.9 lb or 5 to 14 kilograms. 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. Sea otters, Enhydra lutris (Linnaeus, 1758), are the largest member of the Family Mustelidae (70 species of river otters, skunks, weasels, badgers, etc.) They are primarily nocturnal and solitary. Social groups are generally composed of the female and her offspring. The 13 extant otter species are all semiaquatic, aquatic or marine, with diets based on fish and invertebrates. Otters always wash themselves after every meal. Otters thrive on land and in the water. Baby otters are called pups. River otters are rambunctious, aquatic, streamlined mammals that spend much of their time in the water. Southern river otters have the smallest range of any otter, and can only be found in southern and central Chile and southern Argentina. Southern river otter range The southern river otter (Lontra provocax) is a type of otter. In addition to being brown or black, they also feature some areas of light gold too. 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. Otter is a common name for a carnivorous mammal in the subfamily Lutrinae. 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. The situation was particularly serious in southern and central England, with otters vanishing from these areas completely, becoming locally extinct. They feature hair that is very dense. There are 13 species of otter found all around the world. The biological name is Lontra Canadensis. It is the animal most frequently farmed for its fur, exceeding the silver fox, sable, marten, and skunk in economic importance. River otters can hold their breath for up to 8 minutes while under water. The American mink is a semiaquatic species of mustelid native to North America, though human intervention has expanded its range to many parts of Europe and South America. Reduced range and population size, vulnerability to oil spills, and oil spill risk from coastal tanker traffic were the primary reasons for listing. Nahuel Huapi National Park is the oldest national park in Argentina, established in 1934. The river otter's eyes and ears are located high on its head for surface swimming. 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. The marine otter only lives in saltwater, coastal environments and rarely ventures into freshwater or estuarine habitats. Dogs that were used to hunt otters were called otterhounds. It lives in both saltwater and freshwater environments. This offers a chance at re-population, if worst comes to worst. Photo by Andrea Westmoreland. The North American river otter (Lontra canadensis) became one of the major animals hunted and trapped for fur in North America after European contact. These results suggest having shoreline vegetation for cover is vital for their survival. The southern river otter is found in the southern parts of Chile and western Argentina. Breeding may occur in July and August, and the female gives birth to up to 4 pups after a gestation period of 60 days. The southern river otter is listed as endangered, due to illegal hunting, water pollution, and habitat loss. Interesting Facts These are very long animals with large sized heads. They used a lot of methods to hunt otters. Otters are adorable creatures that live both on land and in the water. 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 In Oregon, River otters are mostly found west of the Cascade Range but have been found in eastern Klamath County and in Deschutes, Wallowa, and Malheur counties. They include the Southern River Otter, Hairy Nosed Otter, Giant Otter, and the India Smooth Coated Otter. Southern sea otters (Enhydra lutris nereis), also known as California sea otters, were listed as threatened in 1977 under the Endangered Species Act. 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. Its feet are equipped with claws and webs for swimming. Adults can reach an average body length of 22 to 28 inches with a tail length of 14 to 18 inches. Other mustelids include ferrets and mink. 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. The Cameroon clawless otter is a subspecies of the African clawless otter in the family Mustelidae. Marshes may also be very important habitat for raising young and as a source of frogs. The river otter is Minnesota's largest aquatic carnivore that lives in most northern Minnesota lakes, ponds, and streams. The author surveyed three parks in Argentina: Lanin, Puelo, and Los Alerces National Parks. The giant otter is diurnal, being active exclusively during daylight hours. Southern Sea Otter. The southern river otter (Lontra provocax) is a species of otter that lives in Chile and Argentina. It is found in isolated lakes in the most remote parts of Patagonia and spends winters along the coast of the same region. It has velvety dark brown hair and light or grayer underparts. 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. 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! They are highly adaptable animals so as long as they have access to enough food and water they can thrive. It can swim and maneuver better than many fish, and swims with only the top of its head out of the water. They can grow to be more than a meter long, from head to tail, and weight up to 14 kg. Vicente Pérez Rosales National Park is located in Los Lagos Region, Llanquihue Province, of Chile. The sea otter was once abundant in a wide arc across the North Pacific ocean, from northern Japan to Alaska to Mexico. 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. It sometimes is considered a subspecies of Lontra canadensis. 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. Would you like to receive a notice and link when the Though it is the largest, it isn’t the heaviest. It is part of the Neotropical ecozone. River otters spend two-thirds of the time on land. Males are larger in size than females (see photos). They have four legs to move easily on land, and a long tail to swim through the water. River otters and giant otters hunt by using their vibrissae to detect movements of prey in the water. Adults grow to about three feet in length and weigh 10-20lbs. 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. Its feet are equipped with claws and webs for swimming. Future directions for conserving this species include obtaining better information on the southern river otter's population numbers and locations. Otters tend only enter the water to hunt, which most do for 3 to 5 hours a day, or travel. They include the Southern River Otter, Hairy Nosed Otter, Giant Otter, and the India Smooth Coated Otter. Lutrinae is a branch of the Mustelidae family, which also includes weasels, badgers, honey badgers, martens, minks, polecats, and wolverines. In Argentina, it is found along the Andes from Tierra del Fuego all the way to the southern part of … They typically use … It has a long body, a flat head with small ears, and a broad muzzle with whiskers. The head is broad and somewhat flat with small ears and a powerful, well defined muzzle framed by very long, highly sensitive whiskers, called vibrissae. It is know population in freshwater habitats are confined to seven isolated areas between Cautin and Futaleufu. Southern River Otters feed on fish, mollusks, crustaceans and birds. ; Valenzuela, A.E.J. It lives in both saltwater and freshwater environments. 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. Of the 32 confirmed sites, 31 were of dense forest with thick undergrowth near the shorelines of freshwater systems. 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. A giant otter … (Image credit: U.K. The otter's ears and nostrils close underwater. Litter sizes average one to two pups, but up to four can be born at a time. Their body shape aids in helping them make sudden turns to catch fish and other prey. Otters are adorable creatures that live both on land and in the water. They come in many sizes. Its feet are equipped with claws and webs for swimming. The river otter food chain includes many types of fish, mollusks, crustaceans, aquatic plants and roots, eggs, and some small mammals and birds. 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 American mink is a carnivore that feeds on rodents, fish, crustaceans, frogs, and birds. 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. 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. Subspecies There are no subspecies of the Southern River Otter. The viability of the small remaining population is an outstanding concern to researchers. Subspecies There are no subspecies of the Southern River Otter. The Valdivian Coastal Range has a healthy population on the Marine otte… Only one otter species seems to be thriving, and that's the North American River Otter. (41 kilograms).The smallest otter is the Asian small-clawed otter, which grows up to 2.9 fee… North American river otters are semi-aquatic mammals endemic to the U.S. and Canada. It is also known as the Southern river otter and river wolf. It surrounds Nahuel Huapi Lake in the foothills of the Patagonian Andes. 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) 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 riparian forests and rivers in which these otters are mostly found have been disturbed by human presence. Females are slightly smaller, weighing 14-33 kg and measuring 1-1.4 m in length. Successive glaciations have molded the landscape in the region creating spectacular features such as moraines, glacial cirques and clear-water lakes. Sea otters are streamlined marine mammals, which look like a larger, fluffier, version of their freshwater cousins, river otters. It is an endangered species because of poaching, water pollution, and habitat loss. Males are larger in size than females (see phot Dada Gottelli is a British Zoologist. 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. The southern river otter is found in the southern parts of Chile and western Argentina. The species is legally protected both locally and internationally. 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. The river otter is protected and insulated by a thick, water-repellent coat of fur. Its eyes are placed at the top of the head, so it can remain alert whilst the rest of the body is underwater. River otters have long, stiff and highly sensitive facial whiskers that aid in locating and capturing prey. She is a Senior Research Technician with the Institute of Zoology, the research division of the Zoological Society of London. The scientific name means "otter cat", and in Spanish, the marine otter is also often referred to as gato marino: "marine cat". Adults grow to about three feet in length and weigh 10-20lbs. "Lontra provocax". River otters are smaller than their cousins, the sea otters. The weight of a North American river otter measures around 5 – 14 kg (11 – 31 lb). Metabolism. 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 giant otter or giant river otter (Pteronura brasiliensis) is a South American carnivorous mammal. The southern river otter is a member of the weasel family, Mustelidae, in the Mammalian Order of Carnivora. It is physically similar to the northern and southern river otter, which occur directly north and south of this species' range. 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