Except for a marsupial (such as the kangaroo or opossum), a giant panda baby is the smallest mammal newborn relative to its mother's size.
Except for a marsupial (such as the kangaroo or opossum), a giant panda baby is the smallest mammal newborn relative to its mother's size.
除了有袋动物(例如袋鼠或负鼠)，大熊猫婴儿是相对于它母亲尺寸的最小的哺乳动物新生儿。