Ключевые слова: animal, animal shelter, brown, camouflage, cold, conifer, cozy, cuddle, dwelling, entrance, environment, forest, frost, frosty, hedgehog, hibernation, hidden, hiding place, ice crystals, isolation, leaves, mammal, nature, nature conservation, pine cones, protection, protection from the cold, rest, resting, resting place, shelter, snow, spines, survival, white, wild animal, winter, winter landscape, wooden house,