When released from the threat of predation, then, females tend to be gaudier.

一旦没有天敌威胁，雌性变得更花哨。

The study of coprolites tells you key information about an animal's diet and predation habits.

对粪研究告诉了我们关于动饮食捕食习惯关键信息。

It's hard to watch these predations, but death is a crucial part of the natural cycle.

这样捕食画面让人心酸，但生死轮回是大自然一循环。

From an evolutionary perspective getting out there and mating would increase the odds of predation.

从进角度来看，外出交配会增加被捕食几率。

Many insects, for example, use flight to avoid predation.

例如，许多昆虫通过飞行来躲避捕食。

This makes their offspring more vulnerable to predation than those of the tunnelers and rollers.

与挖道蜣螂滚粪蜣螂相比，这方式使它们后代更容易遭到猎食。

The dataset included almost 100 predation events.

该数据集包括近100个捕食事件。

And finally, predation is a more likely reason for the uneven pattern of otter decline.

最后，捕食更有可能是水獭下降分布不均原因。

The thing about predation is it's very dangerous, both for the prey and for the predator.

捕猎过程非常危险，对于猎捕猎者都如此。

So in this case there's across-protection mutualism between these two species in which they help to avoid predation.

“因此在这情况下这两个形成了互惠共生关系。”

There are these marsupial lions, and I think a big body size would have enabled them to escape predation.

还有这些有袋狮，我认为大体型能让它们躲避捕猎。

Ongoing investigations have shown that predation is the most likely cause of the sea otter decline after all.

调查显示，捕食是水獭数量减少最可能原因。

Rather, it's a way to more quickly outgrow a stage where they're especially vulnerable to predation or dangerous environmental conditions.

同类相食是更快长大，跳出一个它们很容易被捕食，或被危险环境条件影响阶段。

We're looking at the overall health of each fragment for any signs of predation or disease and bleaching signs as well.

我们正在查看每个小珊瑚礁整体健康情况，看是否有任何被捕食或疾病迹象，以及白迹象。

Which is why researchers set out to look for proof that human predation played a role in the demise of Genyornis.

因此研究人员们搜集证据，希望找出远古人类捕猎对这巨鸟灭绝产生影响。

It seems to be a vehicle for predation.

它似乎是一捕食工具。

Few live past the age of 6 because of predation and harsh winter conditions.

由于捕食严酷冬季条件， 很少有人能活过 6 岁。

GUIPEUN KANG: Octopuses use their chemotactile  receptors for their exploratory predation behaviour.

GUIPEUN KANG：章鱼使用它们学触觉受体进行探索性捕食行为。

Well, ongoing investigations have revealed that predation is the most likely cause of sea otter decline after all.

好吧，正在进行调查表明， 捕食毕竟是海獭数量减少最可能原因。

So what we are studying now is whether natural selection imposed by predation could explain the occurrence of iridescence in prey animals.

“因此，我们现在正在研究是，捕食所施加自然选择是否能解释猎身上出现彩虹色原因。”