woolly siberian unicorn (elasmotherium sibericum) grazing in a barren landscape

siberian unicorn elasmotherium prehistoric extinct species woolly ice age grazing natural history ancient wildlife dramatic clouds mythical creature fantasy paleontology landscape majestic horned animal world powerful rhinoceros evolution science fauna mammal beast tundra nature survival wilderness art lore siberia sky twilight large legend fossil myth stance historical fiction evolutionary strong lands megafauna sibericum barren stunning portrayal covered dense fur vast desolate landscape filled casting rays sunlight plains creature’s long curved horn massive size create sense power majesty evoking era