The reason for what follows remains a mystery for zoologists and naturalists.

接下来发生的事情的原因对于动物学家和自然学家来说仍然是个谜。

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Ants have fascinated philosophers, writers and naturalists for thousands of years. But the past decade has seen a flurry of detail emerge about the natural history of the insects.

几千年来，无数的哲学家，作家、博物学家对蚂蚁非常着迷。但在过去十年中出现了一系列有关这种小虫的自然历史的细节。

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At a summer job working as park naturalists that year, I flipped the canoe. Air and I were paddling and we had to push it to shore.

在我作为公园自然主义者做暑期兼职那年，我把独木舟翻转了个身。Air 和我划着水，我们必须把它推到岸边。

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Professor Schmaus notes that,before Darwin, naturalists only collected and named species.

VOA: special.2009.12.01

Some zoologists and naturalists have said there may be as many as 100 big cats at large in the UK and they back up this claim with reference to sightings, photos, paw casts, farm animal carcasses, and video footage.

BBC: The Surrey puma: Fact or fiction?

It comes mainly from intellectuals, clergy, naturalists and people who have found themselves on an economic treadmill while their neighbors have surged ahead.

FORBES: The Moral Limits of Wealth

The new technique could help amateur naturalists and professional field workers in the front line of monitoring decades of decline in Britain's native bumblebees.

BBC: NEWS | Programmes | Breakfast | Saving Bees