一旦摆脱了捕食的压力，巨大的体型对食草动物没有什么好处。
Once free from predation pressure, large body size is of little advantage to herbivores.
显然，它们所捕食的夜间飞行的昆虫必须找到某种识路的方法。
Obviously the night-flying insects that they prey on must find their way about somehow.
如果这些大型猫科动物灭绝了，那么它们捕食的小型动物将会使森林中物种的密度过高。
If these great cats become extinct, the smaller animals they prey upon will overpopulate the forests.
它们用锋利的牙齿将毒液注入被捕食的昆虫体内。
They use their sharp teeth to force poison into the insects they catch for food.
然而，大自然是非常聪明的，捕食者也会用颜色来吸引它们捕食的动物。
Nature, however, is very clever, and predators also use colors to attract the animals they feed on.
然而，如果能给被捕食的动物提供一些它们在野外时那样的安全区域，它们的数量会降到很低但不灭绝。
However, if safe areas like those prey animals have in the wild are provided, the prey population drops to low level but not extinction.
特别是，龙虾幼虫需要更短的时间才能长到不再容易受到幼鳕鱼捕食的大小，幼鳕鱼是它们生存的主要威胁。
In particular, lobster larvae take less time to reach the size at which they are no longer vulnerable to predation by young cod, the chief threat to their survival.
比如说，像小鹿或者山羊这种被捕食的种群，它们的代表动作就是突然快速逃跑的动作和突然转弯；相反的，猫科动物之类的捕食种群会练习潜行追踪、猛扑和撕咬等动作。
Prey species, like young deer or goats, for example, typically play by performing sudden flight movements and turns, whereas predator species, such as cats, practice stalking, pouncing, and biting.
帕特森也对捕食的海豚进行了研究。
蜥蜴在野外捕食的时候通过在树上爬上爬下来迫使猎物出来。
Lizards in the wild capture moving prey by running up and down trees, Dr. Leal said.
生物学家认为这种植物进化出捕食的能力是适应潮湿、贫瘠土壤的一种途径。
Biologists suggest that the plants evolved the ability to capture prey as a way to adapt to living in moist, nutrient-poor soils.
“有剩余的捕杀”只是发生在那些在冬季很容易捕食的小动物身上。
Surplus killing seems to occur when prey are vulnerable and easy to catch - in winter, for instance, when there is deep snow.
这个至今未得到确诊的疾病看起来会影响东北虎在野外捕食的能力。
The as-yet-unidentified disease seems to affect tigers' ability to hunt wild game.
他们沿途遭遇了厚重的冰块、风大浪急的海面，以及许多正在捕食的鲸鱼。
Along the way, they encountered thick packs of ice, rough seas and lots of feeding whales.
现代鳄鱼捕食的猎物无所不包，它们会吞下所有它们能够得着的可食对象。
Modern crocs, which hunt a wide range of prey, eat whatever's available in their areas.
好消息是，如果对老虎加以保护，保证有可捕食的猎物，老虎数量是可以恢复的。
The good news is that tigers can recover if they are protected and have prey to eat.
老鲨鱼比年轻鲨鱼的策略更好，更加的狡猾，说明它们在捕食的同时也在学习着。
Older sharks did better and were more stealthy than younger, smaller sharks, demonstrating that learning was occurring, he said.
尽管有些研究已经在统计每年被捕食的动物的数量，但是具体的结果仍在估计当中。
Although studies have been conducted in some areas to determine the actual number of prey killed each year, the results are estimates.
由于被捕食的动物要比捕食它们的掠夺者大得多，有时需要两个星期才能让小丑虾去吃完一个活海星。
Since the prey is so much larger than the predator, it sometimes takes the shrimp two weeks to finish off a single (living) starfish.
它所能捕食的猎物包括昆虫、小型哺乳动物、两栖动物以及可能生活在沼泽和森林后白垩纪的小型恐龙。
Among its prey would have been insects, small mammals, amphibians and possibly small dinosaurs that lived in the swamps and forests of the late Cretaceous.
Hammerschlag说，如果这些鲨鱼是随机捕食的动物，它们直接在海豹的聚居地徘徊就可以了。
The sharks feeding at seal Island could have just hovered right where the seals congregated if they were random killers-of-opportunity, Hammerschlag said.
这种病害已经有数十年未曾遇到，所以世界上大多数种类的小麦已经在生物圈中捕食及被捕食的进化规则中落了下风。
After decades in which they have not encountered the disease most of the world's wheat varieties have fallen behind in the endless battle of thrust and counter-thrust waged by predators and prey.
该研究结果对传统的观点发起了挑战，传统观点认为，几乎所有的食肉恐龙捕食的都是与猎物自身最接近的后代——鸟类。
The findings challenge the conventional view that almost all theropods hunted prey, especially those closest to their descendants, birds.
虽然贪玩的小猎豹偶尔忘了捕食的职责，混战一团，但是这只猎豹和她不寻常的大家族似乎在自给自足方面取得了很好的成绩。
This cheetah and her unusually large family seem to be making good progress on the self-catering front, even if the playful cubs sometimes forget hunting duty for a spot of rough and tumble instead.
当鸟类迁移，它们所捕食的昆虫，或是作为食物的各类植物却仍留在原处，这就有可能会扰乱当地数千年未曾改变的生态系统。
When birds move, the insects or plants they eat often do not, possibly upsetting ecosystems unchanged for thousands of years.
令霍德着迷的是，哥贝克力山顶遗迹的石柱上的雕像不是以鹿和牛等可捕食的动物为主，而是以像狮子、蜘蛛、蛇和蝎子等对人类有威胁的动物。
Hodder is fascinated that Gobekli Tepe's pillar carvings are dominated not by edible prey like deer and cattle but by menacing creatures such as lions, spiders, snakes and scorpions.
弗里克指出，蝙蝠在平衡两种需求，一种是等待夜幕的降临，为了躲避那些白天捕食的鹰；另一种是捕捉昆虫的需求，它们往往在傍晚很丰富。
The bats are balancing the need to wait until dark, when day-flying hawks stop hunting, and the need to catch the insects when they are most plentiful, right at dusk.
哈斯汀认为，这种新发现的、命名为“Cerrejonisuchus improcerus ”的生物，是不会被泰坦莽轻而易举捕食的。
Hastings thinks the newly identified species, named Cerrejonisuchus improcerus, would've been easy pickings for Titanoboa.
哈斯汀认为，这种新发现的、命名为“Cerrejonisuchus improcerus ”的生物，是不会被泰坦莽轻而易举捕食的。
Hastings thinks the newly identified species, named Cerrejonisuchus improcerus, would've been easy pickings for Titanoboa.
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