Tree trunk gnawed by european beaver, Castor fiber, Germany, Europe

castor fiber natural area winter germany trunk botany outdoor day castor tree gnaw bank rive activity track european beaver castor fiber least concern december nobody nature natural areas ecosystem ecosystems trunks botany outdoors outsides outside days daytime trees gnawing eating away cut down corrode eat away gnawed water edge banks rive water edges activity tracks european beavers castor fiber least concern species with nobody naturalness area temperate season seasons atmosphere european union europe morphology botany morphology organism shot atmosphere ambiance castoridae rodentia mammalia synapsida vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota woody plant freshwater wetland area trace physical phenomenon beaver rodent mammal wild animal convention on international trade in endangered species of wild cites species low risk iucn) lr iucn red list of threatened species individual