They have both claws and webbed feet that help them in the water and on land. They include the Southern River Otter, Hairy Nosed Otter, Giant Otter, and the India Smooth Coated Otter. Males weigh 22-45 kg and are 1.2-1.5 m in length. The groups are centered on a dominant breeding pair and are extremely cohesive and cooperative. River otters and giant otters hunt by using their vibrissae to detect movements of prey in the water. This species has been exterminated from much of its range in Chile by hunting. A giant otter … 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. Sea otters eat about 25% to 30% of their weight. Its fur is dark-brown on the top and has a lighter cinnamon color on its underside. It is physically similar to the northern and southern river otter, which occur directly north and south of this species' range. 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. 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. The playful North American river otter is equally at home in the water and on land. They tend … The southern river otter is generally brown dorsally, with a lighter, grayer underside. River otters have long, stiff and highly sensitive facial whiskers that aid in locating and capturing prey. of food daily. The 13 extant otter species are all semiaquatic, aquatic or marine, with diets based on fish and invertebrates. They typically use … The weight of a North American river otter measures around 5 – 14 kg (11 – 31 lb). Some of the best known are the giant otter, the sea otter, the European otter, the Northern river otter among others. Search for an endangered species profile. The Cameroon clawless otter is a subspecies of the African clawless otter in the family Mustelidae. The southern river otter is found in the southern parts of Chile and western Argentina. Not all otters use tools, but sea otters use them all the time. Future directions for conserving this species include obtaining better information on the southern river otter's population numbers and locations. While otters completely disappeared from the rivers of most of central and southern England in just 50 years, their future now looks much brighter. River otters eat a variety of fish and shellfish, as well as small land mammals and birds. The giant otter or giant river otter (Pteronura brasiliensis) is a South American carnivorous mammal. The tail comprises less than a third of the body length. Amphibious, muscular river otters swim gracefully and quickly underwater to catch prey, and they can run on land. The marine otter only lives in saltwater, coastal environments and rarely ventures into freshwater or estuarine habitats. 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. North American river otters are semi-aquatic mammals endemic to the U.S. and Canada. The southern river otter prefers estuaries, rivers, and lakes with fresh water for its habitat. Subspecies There are no subspecies of the Southern River Otter. Environment Agency.) Successive glaciations have molded the landscape in the region creating spectacular features such as moraines, glacial cirques and clear-water lakes. 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. These hydrodynamic members of the weasel family are voracious predators. She is a Senior Research Technician with the Institute of Zoology, the research division of the Zoological Society of London. The level of dependence on aquatic life varies greatly among species. The giant otter or giant river otter (Pteronura brasiliensis) is a South American carnivorous mammal. There are 13 species of otters, in seven genera, according to Integrated Taxonomic Information System (ITIS). Southern river otters, Lontra provocax, are only found in central and southern Chile and parts of Argentina. River Otters. You will notice that they have extremely long whiskers as well. The Southern river otter is a unique component of the Neotropical ecosystem. 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. Northern River Otter, North American River Otter, Canadian Otter, Common Otter, North American Otter, Northern American River Otter, River Otter Females are slightly smaller, weighing 14-33 kg and measuring 1-1.4 m in length. One survey in particular was performed to determine if any of this species live within these protected areas. It lives in both saltwater and freshwater environments. Aquatic and semiaquatic mammals are a diverse group of mammals that dwell partly or entirely in bodies of water. The southern river otter is found in the southern parts of Chile and western Argentina. In 2014, a study of giant otters found that the river-dwellers … Whether it’s a lake, river, swamp or estuary, otters like a mix of land and water. Adults grow to about three feet in length and weigh 10-20lbs. The river otter food chain includes many types of fish, mollusks, crustaceans, aquatic plants and roots, eggs, and some small mammals and birds. 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