Howling Wolves (Canis lupus) in the snow, Hesse, Germany, Europe

2 animals aggressive animal behavior animal behaviour animals animal behavior behaviour belligerent canis lupus canoidea caniformia canoidea captive animals captive animal carnivoran carnivora carnivores carnivore common wolf daylight daytime day dentures denture deutschland focus on foreground full body lengths full body length full body full length germany gray wolf gray wolves grey wolf hessen hesse hessia he howling howls howl mammalian mammalia mammals mammal nobody outdoors outside side views side view sideview snouts snout snow covered snowcapped snow covered snowfall snowing snows snowy snow standing stands stand threatening behaviour threatening gestures threatening gesture threatening threatens threaten two animals winter