The extinction of myriad biological species aroused deep concern which led people to an understanding of the special importance of protecting rare animals and plants on the brink of extinction.

无数生物物种的灭绝引起了人们的深切关注，使人们认识到保护濒临灭绝的珍稀动植物的特殊重要性。

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As our environment has been damaged more and more serious, there are more and more wild animals facing the difficulty of becoming extinct, especially some rare species.

我们的环境受到越来越严重的破坏，有越来越多的野生动物面临灭绝的困境，尤其是一些稀有物种。

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The success of this technology and improve the quality of poultry for the vegetative propagation of rare and endangered animals, extinct species of great significance Chuan.

这一技术的成功与完善对于优良家禽的无性繁殖和濒临绝迹的珍贵动物的传种意义重大。

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Richard Thomas of Traffic International, an organisation trying to stop the illegal trade in exotic animals, said both species of tortoise involved in this case were incredibly rare.

BBC: Smuggled rare Madagascar tortoises seized in Malaysia