The World Conservation Union lists the whale shark as a vulnerable species.

世界保护联盟将鲸鲨列入濒危物种。

The book focuses on conservation and re-introducing vulnerable species to their natural habitats.

这本书侧重于描述在自然栖息地保护和重新引入濒危的物种。 照片包括意大利喷发的火山，克罗地亚美丽的瀑布，以及挪威冰天雪地中的野牛。

Only effective control and enforcement, such as the measures proposed here, will protect these vulnerable species.

只有有效的控制和强制，例如这里建议的措施，才能保护这些脆弱的种群。

The sun bear is indigenous to Southeast Asia and considered a vulnerable species by the the International Union for Conservation of Nature.

马来熊来自东南亚，世界自然保护联盟将它视为濒危物种。