beaver tree. detail of burly trunk twinged by european beaver, castor fiber. evidence of beaver`s activity. tree fatally damaged

animal autumn background beaver blue brown building burly castor closeup cortex damaged endangered environment europe european fiber forest handyman hard lake landmark landscape mammal mountain natural nature outdoor pattern pond protected protection risk river rodent rough spring summer sunset teeth texture tooth tourism track travel tree trunk trunks twinged water wild wildlife winter wood wooden work working