母亲节来临之际 盘点自然界五大“最差妈妈”(2)
熊猫:对一只幼仔产生偏爱,对另一只“抛弃”
熊猫妈妈有时会生育两个幼仔,但它却会很少抚养两个幼仔。加拿大温尼伯湖大学生物学家斯科特-福布斯(Scott Forbes)说:“虽然雌性熊猫的性情很温顺,但它们却是‘坏妈妈’。”通常情况下,熊猫妈妈会对第二个幼仔置之不理,丢弃在野生环境中。
随着熊猫幼仔逐渐成长,它们所吃的竹子数量就成了一个大问题。在幼仔生长至8-9个月完全断妈时,熊猫妈妈无法继续抚养两个幼仔,便会对幼仔们产生偏爱,最终使得一个幼仔会比“抛弃”的幼仔更强壮。
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