Based on a lack of overlap between the animal and human populations , the researchers find climate change alone explains the extinction of the musk ox ( ovibos moschatus ) and woolly rhinoceros .

由于缺少人与动物交叉分布的证明，研究者认为只能用气候变化来解释麝牛（ovibosmoschatus）和毛犀的灭绝。