They are the top predator in many ecosystems in which they occur.
在所处的多数生态系中，它们都是顶级猎食者。
Fly larvae are the top-level predator in the pitcher, the analogues of terrestrial tigers or wolves.
在猪笼草中，蝇幼虫是最高层次的捕食者，类似于陆地的老虎和狼。
The terror bird was the top predator in its ancestral home.
恐鸟是其远古家园中的顶级捕食者。
I'm particularly keen to see leopards and have chosen to stay at Tinga Lodge, which is in an area with the highest recorded density of the predator in Africa.
我特别渴望看看豹，于是选择住进庭加酒店，这个酒店地处非洲食肉动物数量密度最大的一个地区。
This paper deals with such a class of predator-prey models that the predator, in addition to the prey considered, has other natural sources of food.
本文研究这样的一类捕食模型：捕食者不但有模型中被捕食者作为食物，而且还有其它固定的自然食物源。
But a paper in Biology Letters suggests that even a relatively small protected area can have a positive impact on a top predator - in this case, the African penguin, an endangered species.
但生物学通讯一篇论文提出，哪怕一个相对较小的保护区也可对顶端捕食者产生积极作用，在此指的是濒临灭绝的非洲企鹅。
But a paper in Biology Letters suggests that even a relatively small protected area can have a positive impact on a top predator - in this case, the African penguin, an endangered species.
但生物学通讯一篇论文提出，哪怕一个相对较小的保护区也可对顶端捕食者产生积极作用，在此指的是濒临灭绝的非洲企鹅。
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