river dammed by beaver in oregon

analog beaver beavers browse canada canine canines carnivore castor creates creatures damage dammed damming endangered eyeing foliage french guard habitat herbivore higher inspecting looking lowlands ltpbr mammal marsh nervous oregon pelts plains preserve rabies reeds reflection restoration river rodent scared scavenge shoreline short southern stare staring state sticks stone strange structure survive swimming sycan teeth undefined vegetation watch watching water wildlife willow windblown