Two thousand grey seal pups are born there every autumn.

2000只灰色海豹幼仔每年秋天在那里出生。

How much do Wolf pups weigh?

狼崽的重量是多少？

Wolf pups love to play.

幼狼喜欢玩耍。

Feeding the pups is also more difficult.

喂养幼仔也更加困难。

How many pups are born in a pack each year?

一个狼群每年有多少小狼出生？

This sounds terrible to us, but Wolf pups love it!

这在我们看来很可怕，但是狼宝宝非常喜欢！

Gray and red Wolf pups weigh about a pound at birth.

灰狼和红狼在出生时一般在一磅重左右。

Usually, four to six pups are born together in a litter.

一般说来，狼一胎能产下四到六只幼崽。

The pups looked to be the same age as the pup on his porch.

小狼崽看起来和门廊上的小狗崽一般年纪。

Pups grow inside their mother for about 63 days before they are born.

狼宝宝在妈妈肚子里待上63天，就来到了这个世上。

Yet smelling his pups alone was not enough to cause new neurons to form.

但是仅仅是嗅幼鼠的气味并不足以造成新的神经细胞的形成。

When pups are 5 years old they can use last experience and create logical links.

当幼狼5岁大的时候，它们就能活用上次的狩猎经验建立逻辑关系。

Pups will also play with "toys" like bones, feathers or the skins of dead animals.

幼狼还喜欢玩“玩具”，骨头啊，羽毛啊，或者死动物的皮。

He looks to be about three years old, and even as pups, they don't tame real easy.

他看来差不多有3岁了，即便是幼崽，他们也不太容易驯服。

So, before you buy that cute puppy in the window, consider the downsides of pet store pups

所以你买下一只橱窗里的可爱小狗之前应该考虑一下宠物店小狗正在下降的质量。

After the pups had that down, the researchers placed a test bowl elsewhere in the room.

在小狗们失败后，研究者们会在房间的另外其他的地方放个测试碗。

"Well, Billy, " he said, "I heard that Old Man Hatfield's collie is going to have pups.

“好吧，比利，”他说，“我听说‘老头帽’农场的牧羊犬要生小崽了。

When pups are six months old, they will start hunting larger animals with the rest of the pack.

幼狼六个月大时，就会开始和群体中的其他成员一起捕猎更大的动物。

Mongooses breed communally and individual pups form stable relationships with “escort” animals.

猫鼬在群居的环境中长大，它们的幼崽与“陪护”它们的猫鼬会形成一种稳定的关系。

And as the pups get older, the degu fathers begin actively playing with their toddler offspring.

随着幼鼠长大，八齿鼠父亲开始积极地与学步的子女玩耍。

This experiment involved taking 48 Labrador pups from seven litters just after they were weaned.

这个试验中的48条拉布拉多猎狗幼畜是从断奶的7窝里选取的。

Then, a few weeks ago, seal pups born elsewhere began floating in on small, shrinking pieces of ice.

几周前，在别处出生的小海豹便随着小冰块漂流而来，而这些冰块还在不断融化。

Others die, and by spring, before the arrival of a new crop of pups, the pack size has often diminished.

还有些死了的。在春天新生狼崽即将到来之前时，狼的数目往往是减少的。

One new set of brain cells formed in the olfactory bulb, and were specifically tuned to the smells of his pups.

在嗅球中形成了一套新的脑细胞，特别适应于幼鼠的气味。

When the pups are very small, other pack members bring food to the mother so she does not have to leave the den.

如果狼宝宝太小，狼群的其他成员会给狼妈妈带来食物，这样她就不用离开巢穴。

A recent study has shown that neurogenesis took place in male mice in the days following the birth of their pups.

最近的一项研究表明神经形成在老鼠幼崽出生后的几天中在雄性老鼠的大脑中发生。

Male red foxes are attentive dads, playing excitedly with their pups and bringing food home for the whole family.

雄性红狐狸也是细心的父亲，它会兴冲冲地和小狐狸玩耍，也会为全家带回食物。

So the next time you see that adorable puppy in the window, pause and think about the downsides of pet store pups.

所以下次你看到橱窗里可爱的小狗，停一下想一想宠物店狗狗的负面因素。

When the pups are a little larger, pack members take turns bringing them food, playing with them and even baby-sitting.

等幼崽长大一点以后，群中成员轮流给幼崽打食、陪它们玩耍甚至给它们当保姆。

Few bother to make it clear that the killing of the youngest pups with fluffy white pelts has been banned for 20 years.

不麻烦弄清楚的是杀死小海豹而获得白色绒毛皮已经被禁止了20年了。