The "old world beaver" refers to a semiaquatic rodent belonging to the genus Castor, specifically native to Europe and Asia. Also known by its scientific name Castor fiber, it is the Eurasian counterpart of the North American beaver (Castor canadensis). This species is notably different from its North American relative in terms of physical characteristics and behavior.
Old world beavers are generally characterized by their large, robust bodies and powerful limbs adapted for both land and water. They possess a dense, waterproof fur which comes in varying shades of brown. An important feature of this species is their distinctive flattened tail, which aids in swimming and acts as a useful prop while balancing on land.
These beavers are primarily known for their exceptional aptitude as builders, constructing elaborate dams and lodges in freshwater habitats. Unlike their North American counterparts, old world beavers often reside in burrows dug within riverbanks, which provide shelter and a safe space for rearing offspring. They are adept at manipulating their environment to create complex systems of canals and ponds, ensuring a constant water level and facilitating transportation.
Old world beavers are herbivorous and primarily feed on a diet consisting of bark, twigs, leaves, and aquatic plants. They possess sharp incisors specifically adapted for gnawing tree trunks and branches.
Due to a history of overhunting and habitat degradation, the old world beaver population has declined significantly over the centuries. However, conservation efforts have been put forth to protect and restore their habitats, ensuring the preservation of this remarkable species.
