River Otter Poo-pori of Facts North American river otter (Lontra Canadensis): Photo- Publicdomainpictures.net) Things You Didn't Know You Wanted to Know About River Otter Poop. As the name suggests, the giant otter is the world's largest otter species and is well-known from wildlife documentaries. Unlike many mustelids, river otters are more social animals. Their toes are webbed, they have short legs and they boast a tapered tail ranging up to 15 inches long. river otter facts. River otter reaches a length of about 66 – 107 cm (26 – 42 inches). Only one otter species seems to be thriving, and that's the North American River Otter. They are beginning to disappear from regions once considered as major habitats such as in New Mexico, Indiana Kansas, Arizona, South Dakota, Oklahoma, West Virginia, and Ohio. Reports now state that otters inhabit every county in the UK – great news for the otter! While river otters mostly live off fish, crayfish and crabs, sea otters have a more interesting method of sustaining themselves. North American River Otters are large compared to most other semi-aquatic mammals, and adults can be as long as 5 feet and weigh more than 30 pounds. A river otter’s diet consists largely of fish. They inhabit both coastal regions and inland waterways. River otters are nocturnal and they come out in at night in the summer and spring seasons. Otters can be found in unpolluted waters all over the world in marshland, freshwater rivers, lakes, oceans and coastlines. They live in dens along the water’s edge. American 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 mammal is found all throughout the waterways and coasts of North America. They have long, narrow bodies, with long tails and short legs. River otters are known to be very playful creatures. An otter… One of the more intriguing river otter facts is that these animals largely communicate using auditory and olfactory signals. *, 50 Interesting Giraffe Facts That Will Tower Over You. River otters primarily prey on fish, crayfish, turtles and amphibians, and rarely birds. An adult North American river otter can weigh between 5.0 and 14 kg (11.0 and 30.9 lb). These can include rivers, lakes, marshes, estuaries, inland wetlands and coastal shorelines. The river otter … Both male and female becomes mature after two years of age. River otters belong to the weasel family. In addition to fish and crayfish, river otters will feed on other readily available prey. It remains active all throughout the year and become increasingly active at night. If otters fascinate you, below are some interesting otter facts. These otters have brown-to-gray fur, and their undersides are a lighter, silv… The sightless and nearly helpless young are usually born in the months of … We receive no government funding, and depend solely on financial support from our friends. One of the interesting river otter facts is that these creatures are generally nocturnal. Adult beetles and stonefly nymphs are just a few of these. River otters have very small eyes and flat head. They will charge and scratch other otters who get too close. The juveniles will wean from their mother’s milk in around 10 – 14 weeks. It is known as the common otter or northern river otter. The river otter is the best swimmer of the weasel family. The young will open its eyes after 30 – 38 days and they will start eating solid food after 9 – 10 weeks. If an area is polluted, the river otter will move to a new place that isn’t tainted. The length of a tail measures around 30 – 50 cm (12 – 20 inches). In certain areas, river otters rely on birds for their consumption and these birds include green-winged, teal, mallard, ruddy ducks, American coot, American wigeon, waterfowls, rails, and northern pintail. Find out more about this beautiful mammal. The playful North American river otter is equally at home in the water and on land. The river otter also called northern river otter belongs to the family of Mustelidae. Litter size may compose of 3 – 5 young (1 – 3 being an average). During these seasons, river otters tend to be most active during crepuscular hours and at night. Fun Facts about River Otters RIVER OTTER FACT SHEET . River otters belong to the weasel family. However, otters never eat bird eggs. North American river otters, also called Canadian otters, have long, muscular, streamlined bodies with short legs and fully webbed feet bearing non-retractable claws. River otters possess long, muscular bodies suited to their life on both land and in water. 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! These include game fishes, bass (Centrarchidae) suckers (Catostomidae), and shiners. National Geogr… Otters have small, rounded ears, and long sensitive whiskers to help them feel the vibrations of their prey. Common otter is the other name for this animal. River otters, like all otters, are carnivorous. Intergroup communication generally occurs in the form of scent marking. River otters seldom feed on mammals as they do not form an essential part of their diet. Other sounds include a hissing bark, snarling growl, shrill whistle, explosive snort, birdlike chirp and even low purring grunts. These names are: river otter, North American river otter, northern river otter, common otter, American otter, Canada otter, Canadian otter, fish otter, land otter, nearctic river otter, and the Prince of Wales otter. In the summer and spring seasons, river otters fancy eating amphibians including boreal chorus frogs, Canadian toads, wood frogs, bullfrogs, green frogs, rough-skinned newt, garter snakes, and Pacific giant salamander. Additional resources 1. Sea otters are known for their remarkable ability to use rocks to … These dens, or burrows, can have several tunnel openings. River otter’s diet also embraces redhorses, cubs, bullheads, catfish, darters, perches, sculpins, pike, salmon, trout, and pike. Due to the frequency otters are in and out of water, their fur needs to withstand wet and dry. River otters are prey for bobcats, alligators, coyotes, raptors, and other large predators. The adult river otters are known to eat 1 – 1.5 kg (2.2 0 3.3 lb) of fish each day. Enhanced coats. River Otter Quick facts. River Otter Facts Stats & Information about Lutra Canadensis. Warm air trapped in a sea otter’s fur keeps them warm in chilly waters.When otters dive, they seal their ears and nose.The word otter comes from Old English and Indo European root words that were also used to create the English word for water.Otters have the densest fur in the world. River otters are smaller than their cousins, the sea otters. They’re semi-aquatic mammals, which means that they need both land and water habitat to survive. HISTORY . This means that river otters are actually near sighted. River otters live in dens, also known as holts. I am going to offer some of the most interesting and rarely known river otter facts and that includes river otter habitat, diet, reproduction, and behavior. Scientific name: Lutra canadensis ; Weight: 11-30 lbs. The river otter (Lutra canadensis) is a member of the Mustelidae or weasel family. In Peru, the giant river otter is classified as Endangered by the decree, DS 004-2014-MINAGRI. Their thick fur is both water-repellent and an effective insulator against temperature extremes. River otters are just one species of the 13 species of otters found throughout the world, and they live to be about 8 years old in the wild. Females are 5 per cent smaller as compared to males. River otters can be found in Canada, the Pacific North West, the Atlantic States, and the Gulf of Mexico. Their habitat has been suffering from a negative impact since North America was colonized by Europe. Seven Quick Facts About River Otters; November 18, 2014 Category: Wildlife by Hannah Featherman Facebook Twitter Pintrest Email. They have been known to feed on mollusks, aquatic insects, amphibians, reptiles, birds and small mammals. During winter when the climate is much colder river otters are more diurnal in their behavior, meaning they are more active during the day. River otters are predators; they avoid feeding on carrion. Water repellent fur helps keeps them warm and dry. A group of river otters can be called a lot of different things, including a bevy, a romp, a family, a lodge, or if they’re in the water, a raft. The adult male weighs around 11.3 kg (25 lb); while the female weighs up to 8.3 kg (18 lb). Flexing their long bodies up and down, paddling with their webbed hind feet, and using their feet and strong tails to steer, river otters are … They feed primarily on fish and create their dens in natural hollows or burrows made by other animals. They are known to travel up to 400 meters (440 yards) under water. In Alaska, the Aleutian Islands and Brooks Range hosts many river otters. The gestation period lasts for 61 – 63 days. Both male and female becomes mature after two years of age. River otters are polygynous. It builds its habitat in the swamps, rivers, lakes, tidal flat and coastal shoreline; in the form of burrows. The River Otter Ecology Project is a registered 501 (c)(3) EIN #45-4997526 non-profit organization dedicated to the welfare of river otters and our watershed. The North American river otter (Lontra canadensis) is a semiaquatic mammal in the weasel family.While it may simply be called the "river otter" in North America (to distinguish it from the sea otter) there are other river otter species throughout the world. The male river otters are not territorial. What Do You Need to Think About Before Getting a Dog? A professional writer and a passionate wildlife enthusiast, who is mostly found hooked to his laptop or in libraries researching about the wildlife. Examples of natural hollows include those in riverbanks, under logs, hollow trees and logs, rock formations, undercut banks, flood debris, and backwater sloughs. They can grow to be more than a meter long, from head to tail, and … The River Otter Ecology Project is a registered 501 (c)(3) EIN #45-4997526 non-profit organization dedicated to the welfare of river otters and our watershed. So, their mother leaves them floating while she searches for food, until their adult fur grows in. They usually breed in the months of December to April. One of the more surprising river otter facts is that this build hampers their agility on land. The North American river otter use a wide range of vocalizations, including whistles and … They are also threatened by habitat loss and pollution that has occurred since European’s colonized North America. They usually breed in the months of December to April. River otters are playful creatures found throughout aquatic habitats in North America. Sea otters can stay underwater for 5 minutes, and river otters can hold their breath for even longer - … It is recognized by its powerful neck and elongated body. Several groups have been set up to try to help conserve natural populations. The female litters one to six babies in thes underground burrows. River otters primarily feed on fish with the size ranges from 2 – 50 cm (0.79 – 20 inches) which is really necessary since fish is a great source for gaining calories. How Many Sea Otters are Left in the World? This tail serves to propel the otters through water. They build burrows abandoned by other animals including beavers, muskrats, and woodchucks. Crayfish makes up one-third of the otters diet. The river otters do not dig their own den; they use habitats of other animals such as beavers instead. It can able to stay under water for about 4 minutes. River otters are found in diverse habitats ranging from coastal marine waters such as inland wetlands, marshes, lakes, rivers, coastal shorelines to the freshwater streams. One of the most unfortunate river otter facts is that these animals are currently threatened by habitat loss. Why Are Snow Leopards Endangered | Top 4 Reasons. Although their range is decreasing as their habitat is being threatened, they are not currently endangered. The North American river otter (Lontra canadensis), also known as the northern river otter or common otter, is a semiaquatic mammal endemic to the North American continent found in and along its waterways and coasts. River otters are semi-aquatic mammals. … Reptiles and Amphibians | River Otter Facts. The river otter population continues to decline to this day. The adult river otter has 36 teeth in total. There are 13 known species of otters, which range in size from 2.9 feet (90 cm) all the way to 5.9 feet (1.8 m) long! All otters have webbed feet to help propel them through the water, and most species have sharp claws. Today, a large number of otters are found in the United States and Canada. 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