hungry beaver. wild european beaver, castor fiber, sitting on felled tree in water and gnawing bark from branches.

beaver castor fiber wild nature water river wildlife natural rodent castoreum animal mammal tail dam hungry tree felled eat twinge gnaw fur pond lake wetland brown branch leaves herbivorous flat long endangered protection environment ecology evening summer spring muzzle hard worker handyman builder czech germany poland norway france sweden spain europe european sitting gnawing bark branches furry largest habitat beaver branches