山地大猩猩是一种濒危物种。

Mountain gorillas are an endangered ___species.

在这个地区发现了一百多种昆虫物种。

Over a hundred ___species of insect are found in this area.

然后我写了一篇关于拯救濒危物种的文章。

Then I wrote an article about saving endangered ___species.