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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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Many zoologists believe that it was because so many ecological niches were available with virtually no competition from existing species.

很多动物学家认为，这是因为，在几乎没有任何现存竞争物种的情况下，有太多的生态小生境可供生存。

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This is the latest in a series of unusual bondings in the wild that have surprised and delighted zoologists in Kenya.

BBC: NEWS | Africa | Odd couple make friends in Kenya

There, zoologists were able to compare the creature with its closest relative, the forest-dwelling brown-tailed vontsira, and finally confirm its identity.

BBC: Earth News - New carnivorous mammal species found in Madagascar

Instead, it leads us to a ghostly sight: the rusting chassis of a high-wing aircraft, crashed into the trees many years ago by some zoologists.

BBC: The kingdom of the crystal skull