Otters living in captivity largely prefer to consume bigger fish with the size of 15 – 17 cm (5.9 – 6.7 inches). The river otters do not dig their own den; they use habitats of other animals such as beavers instead. The characteristics that create the streamlined profile of a river otter include small ears, a neck that has the same diameter as the head, short powerful legs, webbed toes, and a tapered tail that constitutes one-third of the otter’s length. There is always at least one tunnel opening that allows the otters to enter and exit the water. Several groups have been set up to try to help conserve natural populations. Water repellent fur helps keeps them warm and dry. They learn to swim when they are about two months old, when their mother pushes them into the water. The adult river otter has 36 teeth in total. It builds its habitat in the swamps, rivers, lakes, tidal flat and coastal shoreline; in the form of burrows. River otters are predators; they avoid feeding on carrion. Although their range is decreasing as their habitat is being threatened, they are not currently endangered. 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. An otter… Background: Most Connecticut residents rarely have an opportunity to observe river otters in the wild as otters generally avoid contact with humans.However, even though otters may not be seen often, the state's river otter population is healthy and stable. 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. The river otter (Lutra canadensis) is a member of the Mustelidae or weasel family. They seem to prefer games such as wrestling and chasing. Facts about Sea Otter, Giant Otter, European Otter, African Otter and River Otter Introduction to Otters Otters are adorable creatures that live both on … River otters live in dens, also known as holts. River Otters Reproduction | River Otter Facts. The North American river otter use a wide range of vocalizations, including whistles and … HISTORY . River otters have also been known to utilize the burrows made by red foxes, woodchucks, beavers, nutria, and muskrats. These otters have brown-to-gray fur, and their undersides are a lighter, silv… Find out more about this beautiful mammal. River Otters May Be Marine Animals but They Are Also Night Owls. While many states experienced declines in river otter densities, distribution, and in some cases extirpation in the mid 1800’s – 1900’s, … River otters belong to the weasel family. Sea otters can stay underwater for 5 minutes, and river otters can hold their breath for even longer - … Sea otters are known for their remarkable ability to use rocks to … Other sounds include a hissing bark, snarling growl, shrill whistle, explosive snort, birdlike chirp and even low purring grunts. They primarily communicate through auditory signals. River otters, like all otters, are carnivorous. It is a member of weasel family. river otter facts. In the wild they live up to 8 – 9 years with the maximum age of 13 years. Crayfish makes up one-third of the otters diet. Working with kids and the public it's hard to stay away from topics that make people go "eww" and get grossed out, because it grabs their attention. However, the largest population of these animals is found in the Great Lakes of North America. They are also threatened by habitat loss and pollution that has occurred since European’s colonized North America. They produce a growl-like sound which is often heard while they are in pain. 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 otter facts. Read More: How Many Sea Otters are Left in the World? This tail serves to propel the otters through water. 9. Their small heads widen to long necks and shoulders, and they have flattened, well-muscled tails. 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. Unlike many mustelids, river otters are more social animals. 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. 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. Their habitat has been suffering from a negative impact since North America was colonized by Europe. The juveniles are blind and toothless at birth. 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. … Adult beetles and stonefly nymphs are just a few of these. The river otter is the best swimmer of the weasel family. Their thick fur is both water-repellent and an effective insulator against temperature extremes. Seven Quick Facts About River Otters; November 18, 2014 Category: Wildlife by Hannah Featherman Facebook Twitter Pintrest Email. These skills include hunting and fighting. River otters are playful creatures found throughout aquatic habitats in North America. However, the name “river otter” is misleading. 7 fascinating facts about giant otters. River otters are known to be very playful creatures. So, their mother leaves them floating while she searches for food, until their adult fur grows in. We receive no government funding, and depend solely on financial support from our friends. In addition to fish and crayfish, river otters will feed on other readily available prey. River otters also consume crustaceans such as crayfish since crayfish is relatively abundant species and is available all year round. The adult male weighs around 11.3 kg (25 lb); while the female weighs up to 8.3 kg (18 lb). Today, a large number of otters are found in the United States and Canada. However, these games are not undertaken purely for enjoyment. If otters fascinate you, below are some interesting otter facts. Healthy river systems in the UK may boast equally vibrant populations of otters as typical coastal habitat, but riparian otters are usually harder to spot due to high levels of human and dog disturbance, dense vegetation and the fact that it is more challenging to see otters hunting in fast moving rivers than on the sea. These can include rivers, lakes, marshes, estuaries, inland wetlands and coastal shorelines. River otters are prey for bobcats, alligators, coyotes, raptors, and other large predators. 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. They live in dens along the water’s edge. 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. While river otters mostly live off fish, crayfish and crabs, sea otters have a more interesting method of sustaining themselves. They inhabit both coastal regions and inland waterways. They have been known to feed on mollusks, aquatic insects, amphibians, reptiles, birds and small mammals. 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. River Otter Quick facts. 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. River otters generally live along rivers, as their name implies, but they're also found near streams and lakes.Otters prefer water bordered by woods and with wetlands, such as marshes, nearby. 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. 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 can grow to be more than a meter long, from head to tail, and weight up to 14 kg. However, otters never eat bird eggs. RIVER OTTER FACT SHEET . River otters primarily prey on fish, crayfish, turtles and amphibians, and rarely birds. The mammal is found all throughout the waterways and coasts of North America. River otters are semi-aquatic mammals. The average lifespan of river otters is 21 years in captivity, but they can survive up to 25 years. 50 AllTime Best Christmas Songs For Your Holiday Playlist, 50 Interesting Prairie Dog Facts That You Never Knew About, 100 Interesting Facts That Will Boggle Your Mind, 300 Random Facts No One Knows What To Do With, 100 Nutrition Facts To An Easier And Healthier Lifestyle, 100 Amazing Facts That Will Blow Your Mind, 300 WTF Facts That Will Make You Question Everything, 300 Weird Facts That Will Confuse And Amaze You At The Same Time, 100 Did You Know Facts Most People Have Never Heard About, Weight: 11 to 31 pounds (5 to 14 kilograms), Length: 26 to 42 inches (66 to 107 centimeters), Lifespan: 8 to 9 years (21 years in captivity), Aquatic Predators: Alligator, American crocodile, killer whales, sharks, Terrestrial Predators: Coyote, bobcat, lynx, wolf, mountain lion, black bear, domestic dogs, Human-related Mortality: Trapping, illegal shooting, road kill, accidental captures, Conservation: Bioindicator in aquatic ecosystems, Location: River Otters Live on the Water’s Edge, Name: The “River Otter” Actually Lives in a Variety of Habitats, Habitat: River Otters Are Found in Aquatic Habitats throughout North America, Homes: River Otters Are Opportunistic When Selecting Dens, Anatomy: Physical Adaptations Make River Otters Aquatic Masters, River Otters Are Near-Sighted but Can See Well Underwater, River Otters May Be Marine Animals but They Are Also Night Owls, River Otters’ Play Teaches Them Survival Skills, Does Something Smell Fishy? River otters are particularly streamlined in water. The river otter population continues to decline to this day. River otters can live in a variety of elevations and temperatures as long as they have easy access to water and a steady food supply. People also call it North American river otter… These include game fishes, bass (Centrarchidae) suckers (Catostomidae), and shiners. Since then it has been given a total of 11 common names. – but our river systems still require extensive habitat management to restore them to a healthy level that can sustain fish stocks and wildlife. They’re semi-aquatic mammals, which means that they need both land and water habitat to survive. Examples of natural hollows include those in riverbanks, under logs, hollow trees and logs, rock formations, undercut banks, flood debris, and backwater sloughs. 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. National Geogr… This is particularly noticeable during spring, summer and autumn. Due to the frequency otters are in and out of water, their fur needs to withstand wet and dry. An otter pup's fur is too dense for it to swim underwater. 1. Enhanced coats. North American otters are capable to travel at a speed of 42 km (26 miles) per day. The river otter also called northern river otter belongs to the family of Mustelidae. Both male and female becomes mature after two years of age. While playing games, otters also learn some new techniques about fighting and hunting. River otters are intelligent animals and they often like to play. River otters are polygynous. Fun Facts about River Otters Reptiles and Amphibians | River Otter Facts. 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. The larger specimens with the weight of 15 kg (33 lb) are also found. They can grow to be more than a meter long, from head to tail, … It is an amphibious member of this family as are the mink and sea otter. The sightless and nearly helpless young are usually born in the months of March and May. The male river otters are not territorial. River otter often play games and they chase one another in a game. Crayfish are the second most common prey of river otters. This helps them to maintain the important insulation provided by their thick fur. The gestation period lasts for 61 – 63 days. 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. Despite its common name, the North American river otter is … There are 13 species of otters: The 13 species of otters are – African Clawless Otter, Asian Small-Clawed Otter, Congo Clawless Otter, Eurasian Otter , Giant Otter, Hairy-Nosed Otter, Marine Otter, Neotropical Otter, North American River Otter, South American River Otter , Sea Otter, Spotted-Neck Otter and Smooth-Coated Otter. River otters are most commonly heard emitting a low frequency chuckling. One of the most unfortunate river otter facts is that these animals are currently threatened by habitat loss. The North American river otter occurs in much of Canada and the United States, except for portions of the Southwest, and in Mexico in the Rio Grande and Colorado River delta areas. What Do You Need to Think About Before Getting a Dog? These dens, or burrows, can have several tunnel openings. When river otters are rubbing themselves and rolling around, they are simply drying their fur. During these seasons, river otters tend to be most active during crepuscular hours and at night. Mammals include eastern cottontails, snowshoe hares, and meadow voles. Otters have small, rounded ears, and long sensitive whiskers to help them feel the vibrations of their prey. The young will become independent after six months. The group is composed of an adult female and her progeny. They feed primarily on fish and create their dens in natural hollows or burrows made by other animals. River otters are able to learn vital survival skills through their play. River otter’s diet also embraces redhorses, cubs, bullheads, catfish, darters, perches, sculpins, pike, salmon, trout, and pike. Your email address will not be published. Why Are Snow Leopards Endangered | Top 4 Reasons. 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. River Otter Facts Stats & Information about Lutra Canadensis. The primary foods for otters are aquatic invertebrates and aquatic insects. Common otter is the other name for this animal. 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. They can grow to be more than a meter long, from head to tail, and … River otters are smaller than their cousins, the sea otters. This is likely the result of environmental pollution, to which these otters are particularly sensitive. It ranges from 250,000 to a million hairs per square inch, according to the Defenders of Wildlife. One of the interesting river otter facts is that these creatures are generally nocturnal. The River Otter rises in the Blackdown Hills just inside the county of Somerset, England near Otterford, then flows south through East Devon. River otters possess long, muscular bodies suited to their life on both land and in water. The river otter is perfectly equipped for aquatic life. River otters will either use a natural hollow or a burrow made by another animal. Intergroup communication generally occurs in the form of scent marking. In Alaska, the Aleutian Islands and Brooks Range hosts many river otters. Required fields are marked Their range has actually decreased over the years due to urbanization and pollution. They have long, narrow bodies, with long tails and short legs. During these seasons, river otters tend to be most active during crepuscular hours and at night. River otters are polygynous. Sadly speaking, pollution and urbanizations have led to the decrease in river otter population. Several conservation projects have been started in an attempt to stabilize their numbers. How Many Sea Otters are Left in the World? Read More: Why are Sea Otters Endangered? The young will open its eyes after 30 – 38 days and they will start eating solid food after 9 – 10 weeks. They can thrive in any water habitat, such as ponds, marshes, lakes, rivers, and estuaries—in cold, warm, or even high-elevation … River otters seldom feed on mammals as they do not form an essential part of their diet. They usually breed in the months of December to April. Some lives in the forested areas of Pacific coast of North America. The river otter … Like sea otters, river otters also display thickest furs that ensure a limited heat loss. Otters are slender, streamlined, and flexible, which serves them well for a life in underground tunnels, and waters often congested with floating debris and aq… They are also threatened by habitat loss and pollution that has occurred since European’s colonized North America. Enhanced coats. River otters eat mostly fish, frogs, crayfish, crabs, and mollusks, with an occasional small mammal or bird.. Sea otters eat many of the same things, but mostly sea urchins, abalone, crabs, fish, octopuses, mussels, and clams.They crack open clams and mussels with rocks they hold on their stomach—the only otter species to use rocks as tools.
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