Switzerland. Canton Graubünden. Davos. Winter scene with snow covering the landscape. A woman and her dog walk on the snowy path. A beaver’s wooden sculpture. The beaver (genus Castor) is a large, primarily nocturnal, semiaquatic rodent. Castor includes two extant species, the North American beaver (Castor canadensis) (native to North America) and Eurasian beaver (Castor fiber) (Eurasia). 25.01.2020 © 2020 Didier Ruef