plastic fence so that beavers do not chew on mature trees. experienced lumberjacks cannot get their teeth on them

and animals background bark beaver beavers behavior bite branch builder building bunch canadens castor chopping closeup construction control cutting damage dams down ecosystem environment eurasian european fell fence fiber foliage food forest jaw landscape leaves lodges material muscles nature open plastic pond powerful prevention prolific protection river riverbank rodent sharp skill stock strong structure teeth tree trunks water wild wildlife winter