动物们排斥一窝中最弱小的幼仔。
大象曼弗雷德伸出它的鼻子，轻轻地抱起了幼仔。
Manfred the elephant reached out with his trunk and gently scooped up the baby.
宰杀海豹幼仔的行为已引起了环保团体的强烈抗议。
The culling of seal cubs has led to an outcry from environmental groups.
尽管蜥蜴可能对栖息地有要求，它对幼仔的健康却完全漠不关心。
Although the lizard may stake a claim to its habitat, it exerts total indifference toward the well-being of its young.
蛋大约在十天内孵化，不过，鸭嘴兽的幼仔只有青豆大小，完全无法自立。
The eggs hatch in about ten days, but platypus infants are the size of lima beans and totally helpless.
其它的幼仔正在赶来（照片背景处）。
图片：1一只黑白相间的白颈狐猴幼仔。
每只到场的幼仔，显然都被兴奋和焦躁压得喘不过气。
As each youngster arrived at the scene, it wasclearly overwhelmed with excitement and nervousness.
鳗鱼在大西洋中部出生，鳗鱼的幼仔就好像柳树枝一样。
Eels are born in the middle of the Atlantic Ocean, hatched as little larvae shaped like willow leaves.
一只想喝奶的幼仔对它刚刚回窝的母亲发出“唠叨”叫声。
A cub wanting to nurse “squitters” to its mother, who hasjust arrived at the den.
雌性要抚育它们的幼仔三至四个月，直到小宝宝能够自己游泳。
Females nurse their young for three to four months until the babies can swim on their own.
科学家已经发掘出一具基本完整的史前蛇化石-它正在捕食恐龙幼仔。
Scientists have unearthed the almost complete fossil skeleton of a prehistoric snake that preyed on baby dinosaurs.
一位饲养员告诉我必须尽快赶到动物园，因为我们有了一个熊猫幼仔。
A keeper here called and said that I needed to get to the zoo as soon as possible, that we had a panda cub.
如果大坝非建不可，就应该装备一条留给鳗鱼幼仔洄游河流上游的途径。
If DAMS cannot be removed, then they should be equipped with eel ladders to help juvenile eels travel upstream.
医院目前共看护着23只红毛猩猩幼仔，它们之前均被母亲遗弃或虐待。
All 23 baby orangutans treated there were rejected or abused by their mothers.
不过直到现在，研究者才认识到两栖动物的幼仔可能也会在水下发出声音。
Until now though, researchers did not realise that amphibian larva might also produce sounds underwater.
一旦幼仔出生后不能生存,雌狮的最好方式,是摆脱掉它们，开始新生活。
These cubs are not going to survive once they are born so the female's best strategy is to get rid of them and start anew.
那些巢穴在墨西哥湾海岸周围的鸟类现在正在无油的海滩上养育它们的幼仔。
Those that nest around the Gulf’s shores are right now raising their chicks on oil-free beaches.
据当地媒体报道，科研人员穿着熊猫服是为确保避免对幼仔环境的人为干扰。
Researchers wear panda costumes to ensure that the cub's environment is devoid of human influence, according to local media.
它们懒的出了名，总是躺在阴凉处，常常忽视幼仔，而雌性却会冒着生命危险去猎食。
Notorious loungers, they'll lie in the shade, often ignoring their cubs, while the females risk life and limb on the hunt.
两只熊猫都租借到英国，租期为10年。据悉，它们在此期间产下的幼仔将在出生后不久送回中国。
Both pandas are being lent to Britain for 10 years, although it is expected that any offspring they produce during that period will be returned to China shortly after birth.
在一项新研究中，研究者用健康的母鼠抚育压力大的母鼠产下的幼仔，发现表观遗传变化只能部分修复。
In the new study, researchers also had healthy mothers raise the offspring of stressed mothers, and found that the problems were only partially fixed.
青蛙的蝌蚪能够发出声音这一发现，也提高了许多其他水生动物幼仔以同样方式沟通的可能性。
The discovery that frog tadpoles can make sounds also raises the possibility that a host of aquatic larvae communicate in a similar way.
然后研究小组确认他们发现了一条蛇盘绕着一颗破碎的恐龙蛋，周围还有一只幼仔和另外两枚蛋。
The team then recognized they had actually found a snake coiled around a broken egg, with a hatchling and two other eggs nearby.
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。
Although not parents, the pups receive nearly all their food from the escorts for up to three months.
大熊猫寻找伴侣时非常挑剔，野生雌性大熊猫每隔两三年生一只幼仔，圈养大熊猫的繁殖率就更低了。
Pandas are notoriously fussy when it comes to finding mates. Females in the wild normally have a cub once every two to three years, and the fertility of captive giant pandas is even lower.
冬季新生幼仔夜晚也相对更活跃，与季节情感紊乱症患者相似，这意味着他们的生物钟也非设定在白天。
The winter pups were also more active at night, similar to patients with SAD, suggesting their clocks were not as well aligned to the time of day.
冬季新生幼仔夜晚也相对更活跃，与季节情感紊乱症患者相似，这意味着他们的生物钟也非设定在白天。
The winter pups were also more active at night, similar to patients with SAD, suggesting their clocks were not as well aligned to the time of day.
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