Ключевые слова: africa, african, africans, ancient, animal, background, big, bone, bones, botswana, chore, culling, curved, dead, death, drought, dry, elephant, endangered, extinct, fossil, front, game, head, herbivore, internal, isolated, kostolac, large, layers, long, mammal, mammoth, mutated, national, nature, old, paleontology, park, poaching, prehistoric, proboscis, relict, skeleton, skull, structure, teeth, tooth, tusk, valuable,