Eurasian red squirrel (Sciurus vulgaris), standing attentively on a tree trunk overgrown with moss, rodent, Siegerland, North Rhine-Westphalia, Germany, Europe

alertness alert animals animal attention attentiveness attentive central europe covered with moss deserted empty eurasian red squirrels eurasian red squirrel europe's europe federal state of north rhine westphalia frg german federal republic germany german log mammalian mammalia mammals mammal middle europe moss covered moss grown moss covered mosses mossy moss nobody no one no people north rhine westphalia north rhine westphalia nrw overgrown with moss red squirrel republic of germany rodentia rodents rodent sciuridae sciurus vulgaris sciurus siegerland squirrels squirrel standing stand trees tree trunks tree trunk tree trunk uninhabited watchful