beaver dam on a riverbed. river beaver castor fiber - beaver family castoridae. a sturdy structure in a river, a flooded forest. d

amazing animal are beautiful beaver beavers branches castor castoridae dam dams ecology europe family fiber flooded forest frost fur gland grooves habitat houses lake landscape life lithuania lodge mammary natural nature outdoor pond protection river riverbed rodent scraped season secretions spring stream structure sturdy swamp tree wanderlust water wild wilderness wildlife wood