European wolf, wolf, canis lupus lupus, family, in winter, national park bayrischer wald, germany, captiv

bayrischer cold horizontals pack yawning park canids mammal endotherms endothermic animals horizontal adult wildlife germany cold predator one gemeiner wild lying wolves group winter vertebrate snow endotherm carnivore mammal wolf predatory developed country warm blooded carnivora groups canidae warm europe vertebrates national blooded intelligent sitting european packs mammals carnivorous nature captiv lupus mammalia wolf portrait germany four canis young zoology europaeischer german developed countries canis wald snow european animal fauna families canid animal 1030 55346