The Asian small-clawed otter is the smallest otter species and the giant otter and sea otter are the largest. They lose their dependence on milk at 9 months of age and it is at this time they begin learning to hunt. On land it is far less agile, and is often seen sitting grooming itself. Have any problems using the site? Giant otter fur is the shortest of all the otter species. Questions? These animals are most active from 10-11 am and from 3-5 … A large flattened tail and webbed feet enables them to move effortlessly under water in tropical streams, rivers and oxbow lakes. The giant otter has a handful of other names. They have very soft, insulated underfur, which is … Groenendijk, J., Duplaix, N., Marmontel, M., Van Damme, P. & Schenck, C. 2015. These animals make their home in freshwater rivers and streams. It is native to South America but is endangered and is also very rare in captivity. 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Twins are the most common occurrence though. They have small rounded ears which can close underwater. Males can reach lengths of 1.8 meters (about 71 inches, or 5.9 feet) from their noses to the tip of their tails and can weigh between 20 and 30 kilograms … The entire group plays a part in raising the pups. In terms of otters, the giant one has the shortest coat and its … They are double the size of world’s smallest otter, the Asian short-clawed otter (below). On the throat is an assortment of white patterns. Main Characteristics. Each day the giant otter consumes between 3 and 4 kilograms (6-9lbs) of food. At 2 years old they are sexually mature. Giant otter fur is the shortest of all the otter species. The prey is held in the otter’s forepaws and eaten immediately. Some sea otters might get heavier. It is also known as the Guiana flat-tailed otter, margin-tailed otter and winged-tailed otter. It has a lifespan of 12 years in their natural habitat, and 21 years in captivity. The giant otter is known to hunt alone, in pairs and in groups. A week later they begin to walk around and at 12 to 14 weeks they are swimming regularly. Winds and Jet Streams Found on the Closest Brown Dwarf, World's Fastest Optical Neuromorphic Processor, 3D-Printed Smart Gel Changes Shape When Exposed to Light, Mysterious Family Life of Notorious Saber-Toothed Tiger, Unusual Sex Chromosomes of Platypus, Emu and Pekin Duck. Being an apex predator, Giant Otters can hunt alone, in pairs and in groups, mainly hunting fish, however they have been known to hunt anacondas and caimans. Giant otters are native to South America. For more information, see the following related content on ScienceDaily: Content on this website is for information only. Male giant otters can attain a length of 1.5-1.7m (4.9-5.6ft). This is located near a river and their fishing sites. Or view hourly updated newsfeeds in your RSS reader: Keep up to date with the latest news from ScienceDaily via social networks: Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Young otters can come under threat from some other species. Views expressed here do not necessarily reflect those of ScienceDaily, its staff, its contributors, or its partners. Giant otters wake up during the day making them diurnal. The giant otter can grow to more than 6 feet (2 meters) long and 70 pounds (32 kg), nearly twice as large as its American counterparts. The species are relatively peaceful and territorial but aggression has also been observed in some groups. Giant Otters are the largest mustelid and they are similar to a very large river otter. In Brazil it is known as ariranha, from the Tupí word ari'raña, meaning water jaguar ((Template:Lang-pt). This does make them the longest otter species but the Sea Otter still wins for the heaviest species. They have an inner coat which is surrounded by guard hairs that keep the water off their actual coat. It prefers to hunt in shallow water, using its keen vision to locate the prey which can be attacked either from above or below. For that reason they are often mistaken for another type of animal. In other parts of the world, crocodilians are generally at the very top of the food chain in rivers. Giant otter with fish. Their long tail may add as much as 70cm (28in) to this body length. Financial support for ScienceDaily comes from advertisements and referral programs, where indicated. The giant otters are mostly found in South America and are common along the Amazon River. Giant otters once were found throughout the Tropical rainforests of the Amazon, down to Brazil’s Pantanal, the world’s largest wetland. Piranhas can also take a good bite from a giant otter. The Giant Otter (Pteronura brasiliensis) is a type of otter found only in Endless Ocean: Blue World. Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. This species maintains a den which they dig under fallen logs or into a river bank. When on land giant otters come under threat from jaguars. 8 m (4.9′ – 5.9′) in length. That's according to … Well it isn’t that impressive since the larger males only average between 1.5 m and 1. Giant otters (Pteronura brasiliensis, or "londra" in Spanish) are also known as the Brazilian otter and flat-tailed otter. These curious creatures are always ready for some fun, and can’t resist sneaking a better look at boaters who come near them. It can grow up to 2.4m (8ft) long from nose to tail. It can grow up to 8ft (2.4m) long from nose to tail. Giant otters can consume up to 10 lb of food a day. A family comes out of their home for an afternoon activity. A male Giant Otter is considerably bigger than its cousin the European Otter – three-quarters of a metre longer, nose to tail, and almost three times the weight. It is not intended to provide medical or other professional advice. The legs are stubby and short. Giant Otters are fascinating animals. 65-70 days after mating takes place one to five pups may be born. Births can occur year round in giant otter colonies. When they are 4 weeks old the pups eyes open. Giant Otter This South American otter is the world's largest, at some 6 feet long. A newborn pup makes squeaks to gain attention. Giant otter populations are in decline, the population is estimated to be between 1,000-4,000 individuals left in the wild. The IUCN Red List of Threatened Species 2015: e.T18711A21938411. Most of the time this species will chose the clear, sandy or rocky bottomed rivers over those that are salty, saline and white. The giant otter is the longest species among mustelids although not the heaviest. Giant Otters typically live in and along the Amazon River. The fur is coloured brown in most specimens though it can be fawn or red in some. When hunting of this species was allowed they were almost hunted to extinction. In local languages of the Amazon this species may be called Lobo De Rio (the river wolf) or Los Lobo del Rio (wolves of the river). It lives only in the rivers and creeks of the Amazon, Orinoco, and La Plata river systems. Even though these countries are near to each other the population is highly fragmented due to localised extinctions. 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. A major portion of this diet will consist of fish. These otters work together when playing, travelling, feeding and sleeping together. How big is a Giant Otter? Giant otters are the largest of any otter in the world growing up to 1.8m. Photo by Tambako The Jaguar. This includes the male and any of the older pups from previous litters still living in the den. Females are smaller at 1-1.5m (3.3-4.9ft). This fur is densely packed so that no water can penetrate through to the skin. The male was always seen as the one who initiated the mating. They show a tendency when selecting prey to go for immobile fish on the base of a clear river. There is evidence that long time pair bonds form. The giant otter swims at high speed by waving its tail and body up and down, using its webbed feet to steer. The giant otter is the largest of all the otter species. Are Otters Threatening Amphibian Populations? 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. The females are smaller and weigh only 57–60 lb (26–27 kg). Giant otters produce 9 different vocalizations and are very loud. This fur is densely packed so that no water can penetrate through to the skin. The IUCN Red List of Threatened Species 2015: e.T18711A21938411. At the end the feet are webbed and also have sharp claws. Its feet are large and have thick webbing, and the tail is flattened into a flipper-like shape. Pteronura brasiliensis. An average giant otter will weigh between 22 and 32kg (49-71lbs). In the water anacondas or caimans may attack this species. On the one hand, adult males are between 5 and 6 feet long and weigh between 70 and 99 pounds and on the other, females measure between 5 and 5 1/2 feet in length and weigh between 48 and 58 pounds. A range of vocalisations are demonstrated by the giant otter. World’s Oldest Orangutan Passes Away at Oregon Zoo, The Golden Children Tamarin Trio Born at Adelaide Zoo. They build this within a home territory which they will aggressively defend. The giant otter is a member of the Mustelidae family. In Peru, the giant river otter is classified as Endangered by the decree, DS 004-2014-MINAGRI. The females are smaller and weigh only 57–60 lb (26–27 kg). They have a body length between 1 and 1.4 m (3.25 - 4.5 ft), a tail length between 45 and 65 cms (18 - 26 inches) and they weigh between 22 and 32 Kgs (49 - 71 lbs). Check out Trapper J's channel here - http://bit.ly/TrapperJI did NOT expect to catch a river otter at my farm! Just so you know, the giant otter can weigh up to 45.3 kg (100 lbs). It lives in the rivers and swamps of tropical South America, forming noisy family groups that often hunt together. Platypus: How Odd Mammal Got to Be So Bizarre, Search for Dark Matter from the Multiverse, Life On Earth Could Have Arisen from RNA-DNA Mix, New Class of Antibiotics Work On Many Bacteria, How Our Brains Track Where We and Others Go, Mini Antibodies Against COVID-19 from a Llama, Climate Change: Threshold for Dangerous Warming. Yorkshire Wildlife Park is home to Mora and Alexandra, two female Giant Otters from Duisburg Zoo in Germany. This species is the largest member of the otter family. Their diet varies throughout the year due to the migrations of the fish. These animals are known to go head-to-head with some of the world's most powerful animals, - such as Jaguars, crocodiles and anacondas. Many people find this particular Otter to be different in size and shape from others. Giant Otters can reach 1.7 metres length and weigh over 30 kg. The Giant Otter can reach up to 6 ft (1.8 m) in length, and weigh 76 lb (34 kg) in weight. The birth takes place in an underground den. A range of vocalisations are demonstrated by the giant, This species is the largest member of the. 6) are rapid and agile swimmers, although they do not have webbed feet, and have nostril flaps that close when the animal is submerged. In fact, he’ll usually live in a group with ten or more of his fellow otters. Downloaded on 15 May 2020. The giant otter is the longest of the otter species but shares a similar weight with the sea otter. They’re semi-aquatic mammals, which means that they need both land and water habitat to survive. 5. Pteronura brasiliensis. However, Giant Otters can be more resilient and powerful than your average species of Ott Recently, on our way to the park, one of our main giant otter study areas, we visited the community and attended its weekly assembly meeting. The Giant Otter can reach up to 6 ft (1.8 m) in length, and weigh 76 lb (34 kg) in weight. Giant Otters do to! Countries where giant otters live include Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname and Venezuela. So just how big is the Giant Otter. The Giant otter was discovered by Gmelin in 1788. Giant otters are incredibly social. These mating’s frequently took place in the water. They also feed upon crustaceans, snakes, small caimans and anacondas. It lives in the rivers and swamps of tropical South America, forming noisy family groups that often hunt together. Groups of about 5 to 10 otters live together in dens or burrows beside a river. They were hunted mostly for their pelts. The 13 species range in adult size from 0.6 to 1.8 m (2.0 to 5.9 ft) in length and 1 to 45 kg (2.2 to 99.2 lb) in weight. Its fur is dense, thick and velvety, and is highly sought after by fur traders. The Giant Otter features a very long body, similar to that of a weasel. Although this might sound like a camping trip for a human family, this is actually the life of the giant otter. Giant otters are very social animals and groups of up to 20 individuals have been found in forms of "family groups." Giant otter shrews (Potamogale velox; Fig. Diet consists mainly of fish, crabs and even caimans and snakes. https://dx.doi.org/10.2305/IUCN.UK.2015-2.RLTS.T18711A21938411.en. Most pups will leave the group a year later and go form their own pair. Imagine seeing those eyes staring into your soul as those sharp canine teeth pierce your flesh. The family members communicate vocally with a wide variation of calls. This species is the largest among all the species of otters in the world, (sea otters , with their more compact body, can weigh considerably more).The males reach a total length of 1.5 to 1.8 m and a weight between 26 and 32 kg.As for females they usually measure 1.5 to 1.7 m in length and can weigh between 22 and 26 kg. The giant river otter (Pteronura brasiliensis) is a beautiful animal adapted for an amphibious lifestyle. Giant otters are Preferred habitats include riverbank high forests, floodable mixed marsh and high swamp forest, floodable low marsh forest and an open area within the creek. By frank wouters from antwerpen, belgium , België , Belgique (reuzenotter) [CC-BY-2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons, By Eric Gaba (Sting – fr:Sting) (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons. Their groups include 2 to 20 members but average 3-8. 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. Groups of about 5 to 10 otters live together in dens or burrows beside a river. In some of its range countries the populations are fairly stable but giant otters have gone extinct in some of their range countries. . All three names are in use in So… The giant otter is the largest of all the otter species. The giant otter's fur has a velvety appearance, more like the pelt of a seal than an otter. Giant Otters might look like any other species of Otter. The giant otter is the largest of the world's otters. They have an oestrous cycle lasting 21 days with mating taking place in the 3rd to 10th day of this cycle. These babies are furred but blind. The giant river otter is giant, measuring in at 1.5-1.8 m and weighing in at 22-32 kg! Most of these flood throughout the year. An average giant otter will weigh between 22 and 32kg (49-71lbs). Giant river otters grow to be about 70 pounds (31 kilograms), says the Nature Conservancy. These patterns are different on each other and help them to distinguish each other in the group. Affected by: Habitat Loss, Poaching & Industry. A HUMAN PROBLEM. Giant otter: Physical characteristics. *Shudder* Thankfully, they don’t target humans, but if you’re a caiman, you’re in serious trouble. The Peru giant otter project has established a collaboration with the indigenous community of Isla de los Valles, which is strategically placed at the gates of Manu National Park. Giant otters are members of the weasel family. Stingrays and eels carry the potential to be fatal but encounters between these species are rare so there is a minimal risk. A large problem for the species is a lack of genetic flow across the population due to habitat loss and habitat fragmentation. https://www.savacations.com/giant-river-otters-amazon-rainforest Each individual in the groups has a role, and there is one main breeding pair. It is a social animal that lives in a group of up to eight members, with the group centered on a dominant breeding pair. Groenendijk, J., Duplaix, N., Marmontel, M., Van Damme, P. & Schenck, C. 2015. Giant Otters’ Main Characteristics. Their diet varies throughout the year due to the migrations of the fish. 9 distinct sounds have been identified being made by this species. Unlike most other otters, the giant otter has a flat, paddlelike tail to help it swim. The large tail, illustrated in detail by Kingdon (1974), is laterally flattened and constitutes the main means of propulsion. https://dx.doi.org/10.2305/IUCN.UK.2015-2.RLTS.T18711A21938411.en. A giant otter will consume roughly 3kg (7lb) – about 10% – of its body weight per day. Known for their fun loving nature, the Giant Otter isn’t likely to be a hermit. ( 6-9lbs ) of food a day 2.4m ) long from nose to tail otter the. 4 kilograms ( 6-9lbs ) of food a year later and go form their own.! Oldest Orangutan Passes Away at Oregon Zoo, the Golden Children Tamarin Trio born at Adelaide Zoo travelling! Distinguish each other the population due to habitat loss and habitat fragmentation other. 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