Pteronura brasiliensis. Most pups will leave the group a year later and go form their own pair. A range of vocalisations are demonstrated by the giant otter. Groups of about 5 to 10 otters live together in dens or burrows beside a river. Giant otters (Pteronura brasiliensis, or "londra" in Spanish) are also known as the Brazilian otter and flat-tailed otter. A family comes out of their home for an afternoon activity. The giant otter is the longest of the otter species but shares a similar weight with the sea otter. The Giant Otter can reach up to 6 ft (1.8 m) in length, and weigh 76 lb (34 kg) in weight. Their diet varies throughout the year due to the migrations of the fish. A major portion of this diet will consist of fish. In fact, he’ll usually live in a group with ten or more of his fellow otters. *Shudder* Thankfully, they don’t target humans, but if you’re a caiman, you’re in serious trouble. Giant otter fur is the shortest of all the otter species. It is also known as the Guiana flat-tailed otter, margin-tailed otter and winged-tailed otter. Giant Otters can reach 1.7 metres length and weigh over 30 kg. These curious creatures are always ready for some fun, and can’t resist sneaking a better look at boaters who come near them. It is not intended to provide medical or other professional advice. This does make them the longest otter species but the Sea Otter still wins for the heaviest species. Preferred habitats include riverbank high forests, floodable mixed marsh and high swamp forest, floodable low marsh forest and an open area within the creek. Just so you know, the giant otter can weigh up to 45.3 kg (100 lbs). 6) are rapid and agile swimmers, although they do not have webbed feet, and have nostril flaps that close when the animal is submerged. The species are relatively peaceful and territorial but aggression has also been observed in some groups. Male giant otters can attain a length of 1.5-1.7m (4.9-5.6ft). Strolling from their dwelling down to the river, the parents supervise as older siblings play with the youngsters, frolicking in the water and on the banks. Financial support for ScienceDaily comes from advertisements and referral programs, where indicated. There is evidence that long time pair bonds form. These animals make their home in freshwater rivers and streams. In Peru, the giant river otter is classified as Endangered by the decree, DS 004-2014-MINAGRI. Questions? Six million years ago, giant otters weighing more than 100 pounds lived among birds and water lilies in the wooded wetlands of China's Yunnan province. These patterns are different on each other and help them to distinguish each other in the group. How big is a Giant Otter? Giant otters are members of the weasel family. The giant otter is the largest of all the otter species. These animals are most active from 10-11 am and from 3-5 … A week later they begin to walk around and at 12 to 14 weeks they are swimming regularly. This is located near a river and their fishing sites. This species maintains a den which they dig under fallen logs or into a river bank. It is native to South America but is endangered and is also very rare in captivity. A newborn pup makes squeaks to gain attention. When hunting of this species was allowed they were almost hunted to extinction. Diet consists mainly of fish, crabs and even caimans and snakes. These babies are furred but blind. Groenendijk, J., Duplaix, N., Marmontel, M., Van Damme, P. & Schenck, C. 2015. So just how big is the Giant Otter. They were hunted mostly for their pelts. The Giant Otter can reach up to 6 ft (1.8 m) in length, and weigh 76 lb (34 kg) in weight. It can grow up to 8ft (2.4m) long from nose to tail. Affected by: Habitat Loss, Poaching & Industry. Check out Trapper J's channel here - did NOT expect to catch a river otter at my farm! The entire group plays a part in raising the pups. Pteronura brasiliensis. On land it is far less agile, and is often seen sitting grooming itself. . The Giant Otter features a very long body, similar to that of a weasel. Have any problems using the site? On the throat is an assortment of white patterns. Giant otter populations are in decline, the population is estimated to be between 1,000-4,000 individuals left in the wild. The giant otter is the longest species among mustelids although not the heaviest. In Spanish, river wolf (Spanish: [lobo de río] error: {{lang}}: text has italic markup (help)) and water dog (Spanish: [perro de agua] error: {{lang}}: text has italic markup (help)) are used occasionally, though the latter has many other meanings) and may have been more common in the reports of explorers in the 19th and early 20th centuries. Most of the time this species will chose the clear, sandy or rocky bottomed rivers over those that are salty, saline and white. Imagine seeing those eyes staring into your soul as those sharp canine teeth pierce your flesh. Their groups include 2 to 20 members but average 3-8. Countries where giant otters live include Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname and Venezuela. Giant otters are the largest of any otter in the world growing up to 1.8m. The IUCN Red List of Threatened Species 2015: e.T18711A21938411. World’s Oldest Orangutan Passes Away at Oregon Zoo, The Golden Children Tamarin Trio Born at Adelaide Zoo. Giant otters are When on land giant otters come under threat from jaguars. 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