当一个动物物种不再在其生活的生态系统中发挥重要和决定性的作用时，它就被认为是 "功能性灭绝 "了。 因为考拉曾经是澳大利亚的象征，在地球上唯一发现考拉的地区，考拉的数量以百万计，今天，只有8万只考拉还在大陆上活着，已经被正式视为功能性灭绝了。灭绝了。
这是一种威胁状态，在这种状态下，除了不影响生态系统外，该物种还通过了一个临界点，不再能够保证下一代的生产--这几乎肯定会导致其绝对灭绝。 今天澳大利亚大陆上存在的8万只考拉 仅在1890年至1927年期间，就有800万只考拉被猎杀，主要在伦敦出售它们的皮毛，其中1%的考拉被猎杀。
在澳大利亚考拉基金会近十年来一直监测的128个选举团中，有41个选举团见证了这种有袋动物的消失。 据估计，2014年有10万至50万只考拉生活在澳大利亚的荒野中--更悲观的估计是，目前考拉的数量不超过4.3万只。 今天，除了狩猎之外，这种动物还受到了威胁2012年制定了恢复计划，但在过去7年中根本没有付诸实施。
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