Ключевые слова: alert, alertness, animal, brown, camouflage, cautious, cautiousness, city life, concrete, concrete surface, curious, cute, discovery, entrance, environment, exploration, fur, habitat, hiding, hiding place, hole, home, intelligent, looking out, mammal, mouse, natural light, nature, observing, outdoor, peeking, pest, resourceful, rodent, safety, scrutiny, small, smart, space, survival, texture, urban, watching, whiskers, wild, wild animal, wildlife,