The Japanese Archipelago sheltered cave lions, not tigers, during the Late Pleistocene
Sun X, Peng L, Tsutaya T, Jiangzuo Q, Hasegawa Y, Hou Y, Han Y, Zhuang Y, Ramos Madrigal J, Taurozzi AJ, Mackie M, Trochė G, Olsen JV, Cappellini E, O'Brien SJ, Gilbert MTP, Yamaguchi N, Luo SJ.
Abstract
Lions and tigers were widespread apex predators during the Late Pleistocene and integral components of East Asian megafauna. Cave lions predominantly inhabited northern Eurasia, whereas tigers were distributed farther south. The boundary between their ranges extended across Eurasia and shifted with climatic fluctuations, such as glacial–interglacial oscillations. Our findings challenge the prevailing view that tigers once took refuge in Japan and that cave lion distribution was limited to the Russian Far East and northeast China. These findings provide evidence that lions, rather than tigers, colonized the Japanese Archipelago during the Late Pleistocene. This finding extends the known range of cave lions in East Asia and refines our understanding of how far south the lion–tiger transition belt shifted during this period.
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