A number of these changes represented adaptations to grazing in Siberia's periglacial conditions.
A number of these changes represented adaptations to grazing in Siberia's periglacial conditions.
牠们之间有许多变化，都是对冰河期之前的西伯利亚环境的适应。
A number of these changes represented adaptations to grazing in Siberia's periglacial conditions.
牠们之间有许多变化，都是对冰河期之前的西伯利亚环境的适应。