Countless species have disappeared due to over-hunting, habitat destruction and habitat fragmentation, pollution and other unnatural human causes.

由于过度捕猎、栖息地破坏和破碎化、污染和其他非自然的人为原因，无数物种已经消失。

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In recent years, a series of problems, such as over-hunting and loss of the habitat, have posed a serious threat to the survival of wild animals, which puts them on the edge of danger.

近年来，过度狩猎、栖息地丧失等一系列问题对野生动物的生存构成了巨大威胁，把它们一步步推向濒危的边缘。

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Over the last couple of decades the number of people opposed to fox hunting, because they think it is brutal, has risen sharply.

在过去的几十年里，反对猎狐的人急剧增加，因为他们认为这很残忍。

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Some of the big cats have been killed because they are perceived to be a threat to livestock, and competition for land and over-hunting of their prey have reduced their numbers even further.

BBC: Fencing off wild lions from humans 'could save them'

Also, if they back out now, they'll have to start house-hunting all over again.

WSJ: Pressured to Cut the Price--WSJ House Talk

Canada rejected the European Union's application for observer status due to a long-running dispute over seal hunting and a ban by Brussels's of seal products, such as hide.

WSJ: Arctic Council Grants Observer Status to Six Countries