Otter- Otters are very social creature. They aren’t related to the beaver but they are often mistaken for them. An adult North American river otter can weigh between 5.0 and 14 kg (11.0 and 30.9 lb). Sometimes, it is possible to commit mistakes by referring these two different species as one, due to the similarities in their appearance. In Oregon, a host of threatened and endangered salmon and steelhead runs depend on them. Beavers think that there is a right way to do everything and they want to do it exact that way. They increased the "fish biomass", and improved the water quality. They enjoys being popular and ... Beaver- Organized. They are found in all parts of the world, except Australia and Antarctica. The cetaceans (whales and dolphins) are some of the most beloved and respected animals in the world. Otters are very closely related to badgers, ferrets and mink. Therefore, it would be beneficial to understand the differences between otter and beaver. Otter and beaver are completely different animals, but with much similar looking appearances. There are 56 species in this family. The Mustelidae (/ m ʌ ˈ s t ɛ l ɪ d iː /; from Latin mustela, weasel) are a family of carnivorous mammals, including weasels, badgers, otters, ferrets, martens, minks, and wolverines, among others. Pretty Pelt Otters, like beavers and many other furbearing mammals, were trapped extensively in North America by early trappers. ANSWER: Beavers are a “keystone species,” an organism whose pond-creating powers support entire biological communities. Most species have long, cylindrical bodies and short legs. Beavers are vegetarians. An otter’s tail looks like a muscular cat’s tail, a beaver’s tail looks like a paddle. Most notably, beavers are North America’s largest rodents; river otters are large weasels, related to mink, ferrets, skunks and such. Beaver personalities are very creative. They are also distant cousins of the skunk. Like otters, beavers also have a tail adapted for swimming -- in their case for steering -- but it is broader and flatter. This meant more food for otters - beavers are herbivores - and clearer and cleaner water in which kingfishers could flourish. Beavers, on the other hand, are part of the rodent family and are not closely related to otters. They desire to solve everything. The average life span for an Otter is 10 years. Otter personalities love people. They are found in diverse habitats. 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. The river otter is protected and insulated by a thick, water-repellent coat of fur. The River Otter beaver trial showed that the animals' skill replenished and enhanced the ecology of the river catchment in East Devon. Some species are found primarily on land, while others, like the otters, are found in freshwater and marine environments. Native Americans also hunted these animals … Otter vs Beaver . Perhaps no state is as closely linked to a wild animal as Oregon is to beavers. They have the ability to create and use tools just like beavers, monkeys, and apes. Both groups of animal have thick, brown waterproof coats to keep them warm in their partially aquatic environment. Most otters live in dens — built by other animals, such as beavers — that are dug into the ground that have many channels and dry inner chambers.