It serves to distract a predator while the octopus makes its escape.
它的作用是在章鱼逃跑时分散捕食者的注意力。
For example, our prairie dog spots a predator, a big coyote approaching rapidly.
比如说，我们的草原犬鼠发现了一个捕食者，一只大土狼正在迅速靠近。
When a predator approaches, they do their best to attract the attention of that predator.
当某个捕食者靠近时，它们会尽力吸引这个捕食者的注意。
When a predator always eats huge numbers of a single prey, the two species are strongly linked.
一种掠食动物经常大量捕食单单一种猎物时，这两个物种是紧密联系的。
The seal's longer excursions underwater, during which it appears to be either exploring distant routes or evading a predator, do evoke the diving response seen in the laboratory.
海豹在水下更长时间地遨游，在这段时间里，它似乎是在探索遥远的路线，或是在躲避捕食者，这确实能唤起我们在实验室里看到的潜水反应。
And if a predator can move on to another species that is easier to find when a prey species becomes rare, the switch allows the original prey to recover.
当一种猎物变得稀有时，如果捕猎者能够转向其他更容易找到的物种，这种转变可以让原来的猎物数量得到恢复。
For today, let's look at a reptile, a predator that hasn't evolved much in the last seventy million years.
今天，让我们来看看一种爬行动物，一种在过去七千万年里没有进化很多的食肉动物。
What would he have done if attacked by a predator or an invading Klingon?
如果被捕食者或者入侵的克林贡人攻击，他会怎么做？
We investigate optimal policy for a predator-prey system with age-dependent.
研究一类具有年龄结构的捕食-食饵种群动力系统的最优收获策略。
Faced with a precipice or a predator, the brain is biased to make certain decisions.
面对悬崖或掠夺者，大脑做出的决定会有一定的不同。
Another way is to pay them some form of compensation when a predator kills their animals.
再有就是一旦他们的家畜遭到捕食，均以某种方式为他们提供补偿。
They can't run fast or scare an enemy off with a loud roar or spray a predator with a noxious scent.
它们跑不快，没有大声的咆哮可以吓走敌人，也不能散发出讨厌的气味熏走敌人。
It's claimed that the fox is a predator, killing lambs and free range chickens and must be controlled.
据说狐狸是一种肉食动物，会捕杀羊羔和自由放牧场的鸡，所以必须要控制。
They reduced the odds that a predator would take us by surprise or that we'd overlook a nearby source of food.
这样一来，我们被对手突袭的机会减小了，也不会错过触手可及的食物。
Cats have the physiology of a predator, meaning that they're hardwired to give chase and hunt - mainly at night.
猫咪有着捕食者的生理习性——大多数捕食者是在夜间追逐、捕猎。
It turns out that males get the attention of potential mates by making their move after a predator announces its presence.
最近的研究表明，这种鸟类的雄鸟在捕食者发出警告声音后，发起行动以引起获取雌鸟的关注。
Now, movements in the grass could signal a predator attack, whereas the breeze in the trees is probably just the wind.
草丛的沙沙声可能预示着有捕食动物来进攻，而树叶的响动可能只是由于风吹的原因。
Opossums playing dead actually slip into a semi-comatose state, thus removing any excitement of the kill for a predator.
装死的负鼠实际上是处于一种半昏迷状态，以消除天敌的猎杀的兴奋感。
Take the peacock: the male's magnificent two metre-long tail feathers are a major obstacle to mobility and can be fatal when a predator pounces.
就拿孔雀来说，雄性那华丽的长达两米的尾羽是灵活性的重要障碍，当扑食者突袭时甚至可能是致命障碍。
Pit a human being against a predator whose jaws, claws and brute strength can kill in an instant, and the outcome is going to be bad for the human.
一个人面对猛兽的血盆大口、尖牙利爪和可以瞬间致死的兽性力量，对人来说结果是糟糕的。
To take just one particular example, many ground-nesting birds perform a so-called 'distraction display' when a predator such as a fox approaches.
只举一个具体例子，许多地面筑巢的鸟类，当捕食动物，如狐狸等接近时，会上演一出“调虎离山计”。
Even if the prey had a good sensory system to notice a predator closing in, the success rate of a nocturnal attack may be higher than a diurnal attack.
即使猎物拥有很好的感知系统，注意到了食肉动物正在靠近，夜间攻击的成功率也可能比白天攻击的成功率高。
One of the strongest arguments for T. rex being a predator is that its fangs are sharp and pointed, rather like the teeth found in many predators today.
霸王龙是肉食动物的最强的论据之一是它的尖牙尖锐而锋利，跟今天的肉食动物极其相似。
It waddled towards the pool, looking less like a predator than like an elderly sumo wrestler tottering uncertainly towards a bout with a reigning champion.
它摇摇摆摆地走向水池，看起来不像是一个食肉动物，而更像是一个年老的相扑选手蹒跚地走向和卫冕冠军的一场较量。
This paper discusses the state of Hopf bifurcation in a predator-prey system when parameter varies in some field, and analyzes the stability of the system.
讨论了一类捕食者-食饵系统的参数在某个范围变化时在非零不动点处产生霍普夫分叉的情况，并对其稳定性进行了分析。
This paper discusses the state of Hopf bifurcation in a predator-prey system when parameter varies in some field, and analyzes the stability of the system.
讨论了一类捕食者-食饵系统的参数在某个范围变化时在非零不动点处产生霍普夫分叉的情况，并对其稳定性进行了分析。
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