With no natural predators on the island, the herd increased rapidly.
由于岛上没有天然食肉动物，牧群的数量迅速增加。
Of course, hungry predators sometimes ignore the warning.
当然，饥饿的捕食者有时会忽视这种警告。
The major concern of the snowshoe hare in the winter is predators.
雪靴野兔冬天最大的担忧是捕食者。
All that movement makes it hard for predators to see individuals in a large group.
所有这些运动使得捕食者很难在一个大群体中看到个体。
那么这叫声是为了警告捕食者么？
Where do you go to escape predators?
你往哪儿去逃避天敌？
Sharks are the ocean's top predators.
鲨鱼是位于海洋食物链最顶端的捕食者。
They react differently to predators too.
它们对于捕食者的反应也不尽相同。
Wolves are major predators of small mammals.
狼是哺乳类小动物的主要捕食者。
Sea otters are the major predators of sea urchins.
海獭是海胆的主要捕食者。
Animals need to stay away from predators to survive.
为了生存，动物们需要远离捕食者。
They warn predators that these frogs are poisonous.
这种颜色可以警告猎食者：“我是有毒的！”
Also, the animals could easily get devoured by predators.
而且这些动物也会很容易地被食肉动物捕食。
Do you think predators are dangerous and need to be avoided?
你是否觉得食肉动物非常危险，需敬而远之呢？
And if there are no predators, there's really no need for a coop.
而且，要是没有天敌，也没必要用鸡笼。
The snakes aren’t poisonous and there are no big predators on the island.
这里的蛇没有毒，岛上没有大的食肉动物。
Since they don't have any predators, they have a high survival rate.
因为它们没有任何捕食天敌，所以他们有很高的存活率。
The finger-size fish form large schools to try to confuse predators.
这些手指大小的鱼儿结成巨大的鱼群，以蒙蔽捕猎者。
A savanna full of predators, after all, was not a place to get distracted.
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。
It is thus possible that the same was applicable to Mesozoic predators as well.
于是中生代的食肉动物也可能是这样。
Their brilliant colors broadcast a warning to potential predators: Keep away.
它们用鲜亮的颜色向潜在的敌人发出警告：离远点儿。
Top predators are key to keeping populations of key species from growing too large.
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。
These invasive species – brought to the island by people – have no natural predators.
这些由当地人引进的入侵物种没有天敌。
Given its present weak financial position, the company is worried about predators.
考虑到自身目前薄弱的财务状况，该公司担心被其他公司收购吞并。
Many invasive species are successful because they have no natural predators in their new environment.
由于在新环境中没有天敌，很多入侵物种得以成功入侵。
Predators behave differently in the water too.
捕食者在水中的行为也有很大不同。
Predators like the mountain lion and the wolf help to keep the deer herds healthy.
像美洲狮和狼这样的食肉动物就能保持鹿群的健壮。
Predators like the mountain lion and the wolf help to keep the deer herds healthy.
像美洲狮和狼这样的食肉动物就能保持鹿群的健壮。
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