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。
狼崽的重量是多少？
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。
Mothers during this time would teach their pups to fight and survive.
在这段时间内，母亲会教授幼子们如何战斗和求生。
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。
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。
Six of the pups passed, turning to look in the same direction only seconds after the person did.
6只狼崽通过了这项测试，测试中某人扭头望向远方，一秒钟后6只小狼崽也转头看向相同的方向。
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。
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。
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。
Although not parents, the pups receive nearly all their food from the escorts for up to three months.
尽管陪护猫鼬并不是幼仔的父母，但是幼仔们3个月大之前的食物几乎都是从陪护猫鼬那里获得的。
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。
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。
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。
By two weeks of age, the pups can waddle, and about a week after that, they may come out of the den for the first time.
两周大时，就可以摇摇晃晃地走路；再过一周，就可以第一次走出兽穴。
The physical contact he had with his pups in the nest coupled with the smells of his young are what made the neurons grow.
在鼠窝中与幼鼠的身体接触加上幼子的气味是造成神经细胞生长的原因。
Mothers teach their pups crucial skills, such as how to spot polar bears and how to haul out onto the ice using their tusks.
妈妈教会小海象重要的技能，比如，如何认出北极熊，如何用獠牙把自己拖上冰块。
The whimpering pedigree pups, eight male and nine female, were born by Cesarean section at a veterinary clinic near their home。
这窝嗷嗷待哺的小家伙八男九女，以剖腹产的方式出生于离家不远的宠物医院中。
Specifically, the degu pups raised without fathers had fewer synapses in both the orbitofrontal cortex and the somatosensory cortex.
具体而言，在没有父亲的陪伴下被抚养长大的八齿鼠幼崽在眼窝前额皮质和躯体感觉皮质上都具有较少的神经突触。
It must be big enough to shelter the mother and pups from weather and protect the pups from other animals that may want to hurt them.
兽穴必须足以容下狼妈妈和幼崽，供它们遮风挡雨，同时保护小崽们不受其他动物的伤害。
Back from a kill, Bell, the breeding female of her pack, is greeted by 11 pups, anxious to nurse and beg a meal of regurgitated meat.
雌性野犬贝尔(Bell)捕食回来，受到11只幼犬的欢迎。它们迫不及待地想从母亲那里得到一餐反刍的肉食。
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