Their small heads widen to long necks and shoulders, and they have flattened, well-muscled tails. National Geographic: North American River Otter 3. North American, spot-necked, smooth, and marine otters in North American zoological facilities mate during winter and spring. They are also fast on land, capable of running at up to 30 km/h (19 miles). They catch fish in their mouths and detect other prey by feeling with their whiskers along the bottoms of streams. Chin and stomach are reddish yellow, tinged with gray. • They can hold their breath underwater for up to eight minutes. Sea otters breed throughout the year. Why Are Polar Bears Endangered | Top 2 Reasons. However, the otter is being restored to places where it is regionally threatened, resulting in an otter come back in many places. A male river otter appears to approach females indiscriminately until it finds one that is receptive. When the young are only about two months old, they get an advanced swimming lesson—their mother pushes them into the water. OTTER MOMS ARE TOTALLY GAME FOR ADOPTION. The newest addition is female Kalee, who found sanctuary at the Detroit Zoo after being rescued in June 2018 by the Alaska Department of Fish and Game. Description. Basically, they’ll live wherever they can find food and water to swim in, but they’re sensitive to pollution so they won’t inhabit polluted waterways. The male river otters are not territorial. North American river otters are known for their boundless energy, and they must eat frequently. They build burrows abandoned by other animals including beavers, muskrats, and woodchucks. Litter size may compose of 3 – 5 young (1 – 3 being an average). Females are 5 per cent smaller as compared to males. About Our Animals: The Zoo currently houses three river otters. The river otter is the best swimmer of the weasel family. River otters seldom feed on mammals as they do not form an essential part of their diet. Mammals include eastern cottontails, snowshoe hares, and meadow voles. It ranges from 250,000 to a million hairs per square inch, according to the Defenders of Wildlife. Most are dark brown in color, with lighter patches on their throats and chests. They can grow to over 1.5m (5ft) long. 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. Some lives in the forested areas of Pacific coast of North America. Adult beetles and stonefly nymphs are just a few of these. The adult male weighs around 11.3 kg (25 lb); while the female weighs up to 8.3 kg (18 lb). It has a stocky … Facts about River Otters talk about an animal, which can be found on the coasts or waterways of North America. They love to playfully slide down snow-covered, icy, or muddy hills—often ending with a splash in the water. They primarily communicate through auditory signals. River otters also consume crustaceans such as crayfish since crayfish is relatively abundant species and is available all year round. The mammals have thick, protective fur to help them keep warm while swimming in cold waters. This animal’s lovely waterproof pelt, which allows it to regulate its temperature, in the 1700s-1800s, a regular part of French fur trade, has meant this animal has been hunted for hundreds of years. Read More: How Many Sea Otters are Left in the World? © 1996-2015 National Geographic Society, © 2015- Unlike many mustelids, river otters are more social animals. Males do not help raise young otters. They also have webbed feet, water repellent fur to keep them dry and warm, and nostrils and ears that close in the water. Sadly speaking, pollution and urbanizations have led to the decrease in river otter population. 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. 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 reaches a length of about 66 – 107 cm (26 – 42 inches). They can live in freshwater and coastal marine habitats, including rivers, lakes, marshes, swamps, and estuaries. The weight of a North American river otter measures around 5 – 14 kg (11 – 31 lb). Its fur ranges in color from white and gray to brown and black. Description. 2020 National Geographic Partners, LLC. The North American river otter is one of the most playful, curious, and active species of otter. They are known to travel up to 400 meters (440 yards) under water. At the Detroit Zoo The Edward Mardigian Sr. River Otter Habitat is home to three North American river otters. Interesting Facts: • North American river otters can dive to depths of 60 feet. Fur trapping in the 19th century brought river otter populations to very low populations, but they have returned to the healthy waterways and lakes of the Pacific Northwest. River otter’s diet also embraces redhorses, cubs, bullheads, catfish, darters, perches, sculpins, pike, salmon, trout, and pike. North American River Otter The playful North American river otter is equally at home in the water and on land. The young will open its eyes after 30 – 38 days and they will start eating solid food after 9 – 10 weeks. In the wild, their average life span is 8 or 9 years. 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. The adult river otters are known to eat 1 – 1.5 kg (2.2 0 3.3 lb) of fish each day. The North American river otter’s main prey is … They can grow to over 5ft (1.5m) long. Read on to learn more. River otters are smaller than their cousins, the sea otters. What are some facts about this animal and what makes it unique? Otters reach sexual maturity between two to three years of age. It is known as the common otter or northern river otter. Around one-third of an otter’s body is composed of a tail. North American river otter conservation. Lontra canadensis. Description: River otters are well suited to life in the water. River otters occur throughout North America except the arctic slopes, the arid portions of the Southwest, and the intensive agricultural and industrialized areas of the Midwestern United States (Fig. The biological name is Lontra Canadensis. River otter often play games and they chase one another in a game. North American river otters have been trapped for their highly-prized furs, resulting in a steep decrease in population since the 1800s. Raccoon Facts: Anatomy, Diet, Habitat, Behavior, First Horse Starter Kit – Equipment That You Need to Ride, Common Health Issues With Horses To Know The Signs Of, Tasmanian Tiger Facts | Tasmanian Tiger Habitat & Diet. North American river otters are excellent swimmers and divers, able to stay underwater for up to 8 minutes. Recent efforts to improve water quality and regulate hunting have restored wild populations. Otters are natural swimmers and, with parental supervision, they soon get the hang of it. These otters have brown-to-gray fur, and their undersides are a lighter, silvery shade. Otters prefer water bordered by woods and with wetlands, such as marshes, nearby. Legs short, but powerful; all four feet webbed. Otters are also very sensitive to environmental pollution. The river otter also called northern river otter belongs to the family of Mustelidae. Tail long and slightly tapered toward the tip with musk-producing glands underneath. They have 57,800 hairs per square centimeter with the length of the hair measuring at 23.8 mm (0.94 inch). Services, with lighter patches on their throats and chests have short legs and they will start eating food! Stay under water for about 4 minutes the best swimmer of the weasel family © 2015- 2020 National Partners... Of otters are known for their highly-prized furs, resulting in an otter come in... Litters of one to six young can grow to over 1.5m ( 5ft ) long silvery shade otter is playful! 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north american river otter facts

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