求翻译：如果鸟的数量太少或灭绝，昆虫就会大量繁殖，昆虫吃光植物后，自己也会灭绝，于是生态系统就彻底被破坏。所以，野生动物是维持生态平衡的重要组成部分。都市中大量养鸟人的存在也使得野生鸟类的数量在逐渐减少，最终受到威胁的也是人类。是什么意思？

If the number of the birds is too little or extinct insects will multiply insects eat the plants, they themselves would become extinct, so ecosystem completely destroyed. So, the wildlife is an important part of maintaining ecological balance. The presence of a large number of the aviculture people'

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If bird's quantity too are few or exterminates, the insect can reproduce massively, after the insect eats to eat all one's food the plant, own also can exterminate, therefore the ecosystem thoroughly is destroyed.Therefore, the wild animal is maintains the ecological equilibrium the important consti

If too few in number or extinction of the birds, insects will breed, after the insects eat plants, themselves become extinct, so eco-system completely destroyed. So, the wildlife is important part of maintaining ecological balance. Large numbers of birds exist in the city makes in the progressive re

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