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what eats river otters

At the Smithsonian's National Zoo, they eat a prepare… In addition to fish and crayfish, river otters will feed on other readily available prey. *, 30 Strange Flamingo Facts That You Never Knew About. Required fields are marked Otters are adapted to life on both land and in water. Before much of Arkansas’s mussel population was depleted during the pearl rush, they were also a favorite meal. They live in dens along the water’s edge. [11], The Asian small-clawed otter has deep brown fur with some rufous tinge on the back, but paler below. River otters have quite a large range. It is known as the common otter or northern river otter. Due to the large volume of food they consume, otters can prove very problematic for fishermen or private land owners. River Otters Communicate Using Sounds and Smells, River Otters Are Threatened by Habitat Loss. The muzzle has long coarse vibrissae on either side. River otters don’t breed until they’re at least five years old. They hunt food by using their vibrissae to detect movements of prey in the water. One of the more surprising river otter facts is that this build hampers their agility on land. The Japanese river otter (Lutra lutra whiteleyi) was a semi-aquatic carnivore otter that used to inhabit the rivers of Japan, and was distributed in Hokkaido, Honshu, Shikoku and Kyushu until the 1920s. Length of skull ranges from 3.3 to 3.7 in (84 to 94 mm). Read also: 30 Strange Flamingo Facts That You Never Knew About. As aquatic mammals, otters spend most of their time in the water. River otters will also move under mobile homes or decks of houses located very close to the water. River otters have also been known to utilize the burrows made by red foxes, woodchucks, beavers, nutria, and muskrats. These dens, or burrows, can have several tunnel openings. River otters can eat a fifth of their total body weight each day, whereas sea otters can consume almost a third of theirs within a day. [23], The Asian small-clawed otter is threatened by poaching for its fur, loss and destruction of habitats such as hill streams, peat swamp forests and mangroves for aquaculture projects. [27], The Asian small-clawed otter was listed on CITES Appendix II and is protected in almost all range countries prohibiting its killing. Kota Kinabalu: The Sabah Society. The sides of the neck and head are brown, but its cheeks, upperlip, chin, throat and sides of the neck are whitish. Eurasian otters will generally live anywhere that has a source of unpolluted fresh water with a sufficient food supply. This allows them to feed even in murky waters. Facts about River Otters talk about an animal, which can be found on the coasts or waterways of North America. Captive otters swim at speeds of 0.7–1.2 m/s (2.3–3.9 ft/s). Several conservation projects have been started in an attempt to stabilize their numbers. [1], It is the most sought after otter species for the illegal pet trade in Asia. Interval between births is at least eight months. Otter Diet: Otters live near water because it provides them with everything they need—including food. Some other common items that they will eat include invertebrates, birds, and small sized animals. Otters are meat eaters. The resulting offspring and their descendants bred back into the smooth-coated otter population, but maintained the genes of their small-clawed otter ancestors. In the wild the otters eat primarily crustaceans and mollusks but will also eat fish, insects, amphibians and reptiles. Between December 2015 and October 2018, 49 Asian small-clawed otters were confiscated from wildlife traffickers in Thailand, Vietnam and Japan; 35 of them were bound for sale in Japan. They genetically diverged about 1.5 million years ago. Spraint smearing most likely facilitates social ties among group members and is associated with territorial marking displays. Crayfish are the second most common prey of river otters. [26] Its paws are narrow with short digits that are webbed to the last joint. [3] Its paws are a distinctive feature; its claws do not extend beyond the fleshy end pads of its partially webbed fingers and toes. They eat a variety of animals, including fish, crustaceans, amphibians, snakes, water insects, snails, worms, small mammals, birds, eggs, frogs, turtles, and any aquatic invertebrates. There are short hairs on the lower sides of the interdigital webs. [1] Since August 2019, it is included in CITES Appendix I, thus strengthening its protection in regards to international trade. [9] Results of a molecular study published in 2008 showed that the Asian small-clawed otter is a sister taxon of Lutrogale, lending support to retaining the genus Amblonyx or expanding Aonyx to make it monophyletic. The younger otters are more vulnerable to predators who include but are not limited to coyotes, dogs, cougars, bears, and bobcats. The hindmost upper teeth (pm4 and m3) are broad and robust and are specialized for crushing the exoskeletons of crabs and other hard shelled prey. These skills include hunting and fighting. They are great swimmers, and on land, they can run at speeds of 15 miles an hour. This is likely the result of environmental pollution, to which these otters are particularly sensitive. 40 Devils Tower Facts That Will Make You Want To Visit, 50 Interesting Carrot 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? 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