Gray wolf (Canis lupus), adult, alert, forest, winter, captive, Hesse, Germany, Europe

adult animals adult animal adult alertness alert animal of prey animals in the wild animals animal attention attentiveness attentive beast of prey caniformia caninae canis lupus canoidea captive animal captive captivity carnivora central europe common wolf countryside deserted empty europe's europe fauna forested forests forest frg german federal republic germany german gray wolf gray wolves hessen hesse hessia in winter landscape photo landscape shot landscapes landscape mammalian mammalia mammals mammal matures mature middle europe nature nobody no one no people old animal predatory animal predator republic of germany scenery uninhabited watchful wild animals wild animal wildlife photography wildlife wildlife winterly winter time wintery winter wintry wolf wooded woods