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.
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.
傍晚或是夜间捕食的雌性蚊子导致了这些叮咬。
The actual bite comes from the evening and night-time feeding female.
这就是为什么夜间捕食的动物通常有很灵敏的鼻子的原因。
This is why night hunters usually have very sensitive noses.
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.
当然，饥饿的捕食者有时会忽视这种警告。
雪靴野兔冬天最大的担忧是捕食者。
The major concern of the snowshoe hare in the winter is predators.
捕食能够影响一个物种的行为、组织结构、体型大小和其他特征。
Predation can affect the behavior, group structure, body size and other characteristics of a species.
捕食者在水中的行为也有很大不同。
例如，动物必须能够判断，可能的捕食者正以多快的速度靠近。
Animals must be able to tell, for example, how quickly a potential predator is approaching.
黑曼巴用它们闪电般的速度逃离威胁，而不是用来捕食猎物。
Black mambas use their incredible speed to escape threats, not to hunt prey.
杖是牧羊杖，竿是用来对付捕食羊的野兽的。
捕食者会首先出现在迷宫的远处。
The predators would first appear on the far side of the maze.
它们对于捕食者的反应也不尽相同。
鲨鱼是位于海洋食物链最顶端的捕食者。
大型捕食者是使主要的物种种群不会生长过大的关键因素。
Top predators are key to keeping populations of key species from growing too large.
最近这个小组抓拍到了此种蝙蝠捕食活鱼的视频。
Recently the team captured video of the bats catching live fish.
海獭是海胆的主要捕食者。
它的毒素就是用来防御捕食者的。
Of course, the true purpose of its venom is to catch its prey.
等待在那里捕食它们的是章鱼。
或许这只是一个聪明的捕食者的灵光一现。
在蛇的心中，你就是一个捕食者！
毕竟，充满捕食者的热带稀树大草原并不是一个会让人分心的地方。
A savanna full of predators, after all, was not a place to get distracted.
现在“捕食者”正在这样做，并且不久以后，“收割者”也会加入到这样的战斗中来的。
The Predator is doing that now. And the Reaper will soon join the fight.
而且它们的捕食者没有谁能在攻击这些甲虫后毫发无损。
There is no part of the beetle's body that a predator can safely attack.
DNA标记技术是探索捕食行为的有效方法之一。
DNA marker technology could be an effective method for the identification of predation.
DNA标记技术是探索捕食行为的有效方法之一。
DNA marker technology could be an effective method for the identification of predation.
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