Unlike most marine mammals, otters do not have a layer of insulating blubber. In the late 1980s, North American river otters were considered extinct throughout many of their natural habitats. They have wide, rounded heads, small ears, and nostrils that can be closed underwater. The North American river otter's body is built for streamlined swimming. North American river otters have long, streamlined bodies, thick tapered tails, and short legs. The weight of a North American river otter measures around 5 – 14 kg (11 – 31 lb). They become much more nocturnal in the spring, summer, and fall seasons, and more diurnal during winter. They are used extensively in hunting, as smell, vision, and hearing are diminished in the water. They live in riparian zones, which are the areas that border stream, rivers, and lakes. Some jurisdictions have made otters a protected species in some areas, and some places have otter sanctuaries. The North American river otter (Lontra canadensis) became one of the major animals hunted and trapped for fur in North America after European contact. It weigh from 8.5 to 12 kg (19 to 26 lbs). They live alone or in family groups, typically females and their young. North American river otters are excellent swimmers and divers, able to stay underwater for up to 8 minutes. They are found in Asia. They are also fast on land, capable of running at up to 30 km/h (19 miles). They sometimes eat aquatic plants. It has a stocky body, short legs, webbed feet, and a long tail. 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 underwater acrobats. Basic Facts about the North American River Otter Its scientific name is Lontra canadensis. North American river otters are excellent swimmers and divers, able to stay underwater for up to 8 minutes. This month’s Creature Feature is the North American river otter. The North American river otter is one of the most playful, curious, and active species of otter. The toes are fully webbed, and the tail (one-third of body length) is tapered. The North American river otter’s body length ranges from 66 to 107 centimetres (26 to 42 in). The North American river otter was one of the most hunted animals for its fur after Europeans arrived. Sea otters can reach 9kph underwater, North American river otters are faster at 11kph, and the maximum speed of the giant river otter is an impressive 14kph. It lives in a den, which can be made in a riverside burrow, under rocks or plants, or in a beaver’s home (lodge). The North American river otter, also known as the northern river otter or the common otter, is a species of otter. And you definitely don’t want to mess with giant otters, just check out this clip below! Their dense, short under-fur is overlain by darker, coarse guard hairs that help repel water. An adult North American river otter can weigh between 5.0 and 14 kg (11.0 and 30.9 lb). The North American river otter, also known as the northern river otter or the common otter, is a species of otter. Otters in general inhabit diverse water bodies and river otters, although they may prefer fast-flowing rivers, also inhabit a variety of other freshwater habitats like streams, lakes, ponds, and marshes. Range. They … They live alone or in family groups, typically females and their young. Diet Carnivore. The throat and cheeks are usually a golden brown. The North American river otter use a wide range of vocalizations, including whistles and buzzes to twitters, staccato chuckles, chirps and growls. North American river otters are known for their boundless energy, and they must eat frequently. 90% of the sea otters are present on the coast of Alaska. It’s not unusual to see a mother otter with her cubs, but families aside, it depends on the species. The North American river otter is one of the most playful, curious, and active species of otter. The North American river otter’s main prey is fish, which it usually catches during the day. The North American river otter is the most numerous of all the species. These otters have brown-to-gray fur, and their undersides are a lighter, silvery shade. The most threatened species of otters are the hairy-nosed otters. Around one-third of an otter’s body is composed of a tail. Home / Animals / North American river otter. The North American River Otter goes through stages of maturation. They begin to leave their natal range at from 6 months to a year old. In contrast to the European otter, the North American river otter has a longer neck and narrower face. The fur is dark brown to almost black above and a lighter color ventrally. They mainly escape predation through their agility in the water and on land, their vigilance, and their ability to fiercely defend themselves and their young. Their thick fur is both water-repellent and an effective insulator against temperature extremes. North American River Otters are very playful creatures; this is why they are a favorite attraction for kids at zoos where they can often be observed playing games. A newly published study reveals that river otters (Lontra canadensis) now inhabit most of their historic range in the U.S. and, more importantly, that no states are reporting declining otter populations. In fact, the study reveals the river otter may actually be … Instead air is trapped in their fur which keeps them warm. 11 Do otters live alone? The otter closes its nostrils and small ears when submerged. Birds and birds’ eggs, as well as small terrestrial mammals may also be eaten. Lontra canadensis. They can tolerate a great range of temperature and elevations. North American river otters build dens in the burrows of other mammals, in natural hollows, such as under a log, or in river banks. North American river otters are sometimes taken by bobcats, coyotes, birds of prey, alligators, and other large predators. They can tolerate a great range of temperature and elevations. National Geographic: North American River Otter 3. They are used extensively in hunting, as smell, vision, and hearing are diminished in the water. The North American river otter’s body length ranges from 66 to 107 centimetres (26 to 42 in). The North American river otter’s main prey is fish, which it usually catches during the day. River otters eat a variety of fish and shellfish, as well as small land mammals and birds. North American river otters eat mainly aquatic organisms such as amphibians, fish, turtles, crayfish, crabs, and other invertebrates. North American river otters eat mainly aquatic organisms such as amphibians, fish, turtles, crayfish, crabs, and other invertebrates. The Internet connection is missing right now, but you're able to browse previously opened pages offline. The North American river otter, also known as the northern river otter or the common otter, is a species of otter. North American River Otters (Lontra canadensis) Hello, it’s Team SeaDoc member, Mira, marine scientist, diver, and lover of all things ocean, especially Salish Sea creatures! The only exception to this is the North American river otter. The length of a tail … The average lifespan for North American river otters is from 8 to 9 years in the wild, while in captivity individuals may live up to 25 years. The adult male weighs around 11.3 kg (25 lb); while the female weighs up to 8.3 kg (18 lb). Sighting one can be an exciting occasion for boaters, fisher- men and other outdoor enthusiasts because of the creature’s secretive nature and relative rarity in some waters. It is recognized by its powerful neck and elongated body. Even though otters are considered land mammals, they spend a lot of their time in the water and are specially adapted to fishing in cold northern waters. North American river otters are highly mobile and have the capacity of traveling up to 42 km (26 mi) in one day. Many "play" activities actually serve a purpose; some strengthen social bonds, others practice hunting techniques or serve to scent mark. The North American river otter lives along riverbanks, lakeshores, and coasts. Juvenile otters usually remain with the female until she bears her next litter the following spring. Only one otter species seems to be thriving, and that's the North American River Otter. They can grow to over 1.5m (5ft) long. Sometimes they eat aquatic plants. Juvenile otters usually remain with the female until she bears her next litter the following spring. North American river otters communicate with each other through sounds such as whistles, growls, chuckles and screams. 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. North American river otters live in freshwater and coastal marine habitats including rivers, lakes, marshes, swamps, and estuaries. Like their ocean-faring relatives, the sea otters, river otters belong to the mustelid family (weasels, skunks, badgers and more). Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species. Males and females come together to breed in late winter or early spring. They have short legs, webbed feet for faster swimming, and a long, narrow body and flattened head for streamlined movement in the water. In contrast to their very s… The North American river otter's body length ranges from 66 to 107 centimetres (26 to 42 in). They open their eyes at one month of age and are weaned at about 3 months old. These otters are active year-round, and are most active at night and during crepuscular hours. Some jurisdictions have made otters a protected species in some areas, and some places have otter sanctuaries. Most are dark brown in color, with lighter patches on their throats and chests. Gestation lasts two months, but the young may be born up to a year after mating because these otters employ delayed implantation. North American river otters are sometimes taken by bobcats, coyotes, birds of prey, alligators, and other large predators. The river otter has a long slender body, which is ideal for swimming and sliding. They are found throughout most of North America – from the Rio Grande in Northern Mexico to Canada and Alaska. North American river otters have long, streamlined bodies, thick tapered tails, and short legs. The mammals have thick, protective fur to help them keep warm while swimming in cold waters. Their habitats can be both marine and freshwater. Lontra canadensis. Birds, their eggs, and small terrestrial mammals are also eaten on occasion. 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. They sometimes eat aquatic plants. It lives in a den, which can be made in a riverside burrow, under rocks or plants, or in a beaver’s home (lodge). They catch fish in their mouths and detect other prey by feeling with their whiskers along the bottoms of streams. Interestingly, after the egg is fertilized it goes through a stage when the embryo becomes inactive known as delayed implantation. They are born with fur, but are otherwise helpless. North American river otters can reach a length of 3.9 ft and weigh 3 lbs. River otter reaches a length of about 66 – 107 cm (26 – 42 inches). The average lifespan for North American river otters is from 8 to 9 years in the wild, while in captivity individuals may live up to 25 years. They open their eyes at one month of age and are weaned at about 3 months old. North American river otters seem to be sensitive to pollution and disappear from areas with polluted waters. American River Otter Lutra canadensis lataxina The American river otter is a graceful and beautiful addition to many North Carolina rivers. They begin to leave their natal range at from 6 months to a year old. Dens have underwater entrances and a tunnel leading to a nest chamber that is lined with leaves, grass, moss, bark, and hair. Their population is considered stable and IUCN lists it as ‘least concern’. The North American river otter (Lontra canadensis), or the common otter, is an aquatic mammal native to only North America in the countries Canada, and the United States.River otters are a distant relative of the weasel family. North American river otters seem to be sensitive to pollution and disappear from areas with polluted waters. The North American river otters are carnivores, they eat mainly aquatic animals such as amphibians, turtles, fish, crayfish, crabs, and other species of invertebrates. North American river otter. North American river otters, also called Canadian otters, have long, muscular, streamlined bodies with short legs and fully webbed feet bearing non-retractable claws. Otters are slender, streamlined, and flexible, which serves them well for a life in underground tunnels, and waters often congested with floating debris and aquatic plants. 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. The river otter is protected and insulated by a thick, water-repellent coat of fur. North American river otters are highly mobile and have the capacity of traveling up to 42 km (26 mi) in one day. Their fur is water repellant to help keep them warm. 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. National Geographic: Sea Otter 2. The North American river otter (Lontra canadensis), also called the Canadian otter, is the most abundant species of otter. The North American river otter lives along riverbanks, lakeshores, and coasts. Other Otter Facts . It is found throughout North America, inhabiting inland waterways and coastal areas in Canada, the Pacific Northwest, the Atlantic states, and the Gulf of Mexico. Beginning with newborn stage and then mature stage. The life expectancy for an otter is about 8-9 years. Otters are playful animals, often seen burrowing through the snow, sliding through mud and splashing in the water. It ranges from 250,000 to a million hairs per square inch, according to the Defenders of Wildlife. The river otter is protected and insulated by a thick, water-repellent coat of fur. The throat and cheeks are usually a golden brown. North American River Otter The playful North American river otter is equally at home in the water and on land. Stable Threatened Endangered . The Giant otter is found in South America around the Amazon river basin. They have wide, rounded heads, small ears, and nostrils that can be closed underwater. Males and females come together to breed in late winter or early spring. They mainly escape predation through their agility in the water and on land, their vigilance, and their ability to fiercely defend themselves and their young. They can close their nostrils and ears when swimming or diving. The vibrissae are long and thick, reflecting their importance in sensory perception. The vibrissae are long and thick, reflecting their importance in sensory perception. The vibrissae are long and thick, reflecting their importance in sensory perception. Otters' playful behaviors like mud/snow sliding, burrowing through snow, and waterplay help strengthen social bonds and allow them to practice hunting and scent-marking. Sea otters have also been hunted in large numbers for their fur. Save my name, email, and website in this browser for the next time I comment. Birds, their eggs, and small terrestrial mammals are also eaten on occasion. It weigh from 8.5 to 12 kg (19 to 26 lbs). Save my name, email, and website in this browser for the next time I comment. River otters can stay under water for as long as 8 minutes. They have become a popular exhibit in zoos and aquaria, but unwelcome on agricultural land because they alter river banks for their access, sliding, and defense. They can grow to over 5ft (1.5m) long. North American river otters build dens in the burrows of other mammals, in natural hollows, such as under a log, or in river banks. The fur is dark brown to almost black above and a lighter color ventrally. We receive no government funding, and depend solely on financial support from our friends. These sanctuaries help ill and injured otters to recover. It uses its long vibrissae (whiskers) to find prey in murky water. The river otter's life expectancy is 10 to 15 years in the wild and 25 years in captivity. 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. Animal Facts Scientific Name. They are born with fur, but are otherwise helpless. They are also fast on land, capable of running at up to 30 km/h (19 miles). It is found throughout North America, inhabiting inland waterways and coastal areas in Canada, the Pacific Northwest, the Atlantic states, and the Gulf of Mexico. 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. 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. Additional resources 1. River Otter Facts. They have become a popular exhibit in zoos and aquaria, but unwelcome on agricultural land because they alter river banks for their access, sliding, and defense. Fun Facts: The river otter is non-territorial, but it still marks around its home range using feces and urine as a form of communication. Dens have underwater entrances and a tunnel leading to a nest chamber that is lined with leaves, grass, moss, bark, and hair. They have wide, rounded heads, small ears, and nostrils that can be closed underwater. It is found throughout North America, inhabiting inland waterways and coastal areas in Canada, the Pacific Northwest, the Atlantic states, and the Gulf of Mexico. Facts About the North American River Otter. The North American river otter use a wide range of vocalizations, including whistles and buzzes to twitters, staccato chuckles, chirps and growls. Let's take a closer look at this playful creature. North American river otters. Gestation lasts two months, but the young may be born up to a year after mating because these otters employ delayed implantation. These sanctuaries help ill and injured otters to recover. It weigh from 8.5 to 12 kg (19 to 26 lbs). North American river otters live in freshwater and coastal marine habitats including rivers, lakes, marshes, swamps, and estuaries. North American River Otter. The river otter is protected and insulated by a thick, water-repellent coat of fur. It is believed that only 86 of them are present in this world now. North American river otters live in freshwater and coastal marine habitats including rivers, lakes, marshes, swamps, and estuaries. River otters reach maturity around two years of age. Fast Facts. Their small heads widen to long necks and shoulders, and they have flattened, well-muscled tails. The toes are fully webbed, and the tail (one-third of body length) is tapered. These otters are active year-round, and are most active at night and during crepuscular hours. They become much more nocturnal in the spring, summer, and fall seasons, and more diurnal during winter. North American river otter. 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