Ключевые слова: animal, animals, balance, beauty, beings, biodiversity, biological, bird, captive, captivity, concept, confined, conservation, creatures, diversity, earth, eco, ecological, ecology, ecosystem, enclosure, endangered, environment, environmental, fauna, flora, glass, glass ball, global, globe, habitat, inhabitants, kingdom, life, living, natural, nature, preservation, protect, protection, save, species, sphere, symbol, welfare, wildlife, world,