They prefer to stay close to well-hidden dens to protect their pups from .

它们宁愿呆在接近藏匿巢穴来保护它们的幼崽免受其他侵害。

Those traits are typically seen in wild pups , but disappear as they grow up .

这些特征在野生狐狸的幼崽的身上表现得非常明显，但是会随着它们的成长逐渐消失。

While the pups are still demanding milk , the mother otter will often keep the whole fish for herself .

这时幼崽仍要求喂奶，而母水獭往往会为自己留住整条鱼。

The couple were so in love with shadow and the idea of living with wolf hybrids that they introduced more of the animals - allie and takoda , who had seven newborn pups .

夫妇俩非常喜爱shadow以及他们想和杂交狼共同生活的想法，以至于他们引进了更多的杂交狼allie和takoda，allie和takoda已经是七只新生小狼崽的父母了。

The research , however , is highly controversial and many scientists doubt whether the chinese team has proved that its ovarian stem cells can give rise to functional eggs and mouse pups .

然而这项研究仍然充满争议.很多科学家怀疑中国的研究小组是否能够证实卵巢干细胞能够繁殖卵子和生育幼崽.