Poaching and habitat destruction threaten African elephants throughout their range.

偷猎和栖息地被破坏威胁着非洲象的生活范围。

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On the periphery of its range, populations have declined, primarily due to habitat modification, dam construction, river flow modification, wetland drainage, and pollution.

但是在边缘地带，其数量有所减少，主要归咎于其生活环境的改变、水坝建设、河流改道、湿地干涸以及环境污染。

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With a population of about 180,000, the whooper, though vulnerable to loss of habitat, is among the most abundant of swans and trumps others in the sweep of its range.

尽管栖息地容易遭到破坏，但大天鹅仍以18万只的种群数量冠居天鹅家族之首，而且其栖息范围也超出了其他种类的天鹅。

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Factors in their decline include the loss of moorland nesting habitat and feeding range, eggs and young being eaten by foxes, crows and other predators, and illegal persecution.

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At the time, it was also used as a habitat for a range of wildlife, including buffalo, zebra, gazelles and leopards, which frequently strayed onto the farmland from the neighbouring grasslands.

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He added the hill, formed by the spoil tip, was an important habitat for a wide range of species.

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