Beaver Chinese: Beaver
Shape features: the beaver is one of the largest rodents Chinese. Camp semi aquatic life, body fat, short and blunt, small eyes, small ears and short neck. The sharp incisors, the masseter muscle is developed, a 40cm tree takes only 2 hours to bite. Short limb width. No hind toes webbed, thick, with totipalmation itch, and toe. The fourth toe is very special, there are two claws, one for the claw, one for the shape of A. Tail large and wide, upper and lower flat covered with horny scales. Body back needle hair bright and thick, thick and soft nap, the abdomen is basically covered with a nap. Dorsal body is rust brown. Needle hair yellow brown, head, abdominal hair color than the back light, a gray brown. Submental near yellow. Gray brown. Before the anal gland to see a pair of scent glands secrete castorium". Body weight 17 ~ 30 kg, body length 60 ~ 100 cm, tail length 21 ~ 38 cm.
Living habits: night activities, the day is rarely a hole, good swimming and diving, do not sleep. Beaver a unique skill is the base that the Beaver Dam, habitat or habitat over the place, there is a pond, lake or swamp. Beaver always diligently with branches, stones and mud built dams to block the stream way, small to large confluent pond, may become the area of tens of hectares of lakes. The beaver has the ability to transform their habitat. When entering the habitat or habitat water drops, the beaver will use twigs, mud and other dams, to protect the entrance in the water, to prevent enemy intrusion. Sometimes in order to Beaver building materials transported to the shore with the closure dam dam, at the excavation of meter long canal. Beaver action slow and clumsy on land, not far away from the water activity. The self-defense ability is very weak, timid, love a quiet environment, a shock and the danger that jumped into the water, and a powerful tail slapping the water, to warn other.
Living environment: habitat in the cold temperate coniferous forest and mixed forest edges of the river, cave. Good swimming and diving, mainly in the night. The cave dug in the river often takes the fresh roots, bark, branches and reeds for food. In the northern part of Xinjiang. The beaver had a wide distribution in northern Eurasia, because of its fur has long been precious and uncontrolled hunting, the distribution range is narrow, China only in Bulgan area, now to establish nature reserve. The beaver camp semi aquatic life, mainly inhabit taiga and coniferous forest along the river. The cave in the river under the roots or slow-moving soil steep shore, the hole into the water, the ground is provided with air holes and a trunk cover, using the above water, which is very wide, covered with hay.
Beaver distribution: Russia, Germany and France and Switzerland, Sweden, Norway, Finland, Poland, Canada, Western Mongolia, Xinjiang Chinese.
Mongolia: Xinjiang, Mongolia West beaver distribution in Chinese.
Chinese Xinjiang and Mongolia country in Mongolia belong to the Eurasian beaver beaver subspecies, narrow distribution, small number, in Chinese only distributed in the ULUNGUR River and the upper reaches of the Qinggeli, Bulgan, Chagan gol on both sides, especially in Bulgan most concentrated, the best vegetation is the whole basin.