An operation is beginning to try to save a species of crocodile from extinction.

一项行动正在展开来拯救一个鳄鱼种类使其免遭灭绝。

《柯林斯英汉双解大词典》

Princessfish are a species of coral-reef fish that are captured alive by divers who first stun the individual fish by squirting a certain poison at them.

公主鱼是一种珊瑚礁鱼，潜水员会先将某种毒药喷到鱼身上，使其昏迷，然后将其活捉。

youdao

It's a species of a very rare tree that grows in Australia, Eidothea hardeniana, but it's better known as the Nightcap Oak.

这是一种生长在澳大利亚的非常稀有的树——冬花，但它更广为人知的名字是夜冠橡树。

youdao

"A citizen scientist outside Peoria actually sent in a photograph of a species of bumblebee, the rusty patched bumblebee,bombus affinis, that was thought to have gone extinct in that area, and was recovered by a private citizen with a digital camera."

VOA: special.2011.05.24

You're taking advantage of a promoter system, or a gene activation system, that this species knows about because adult animals can make milk.

我们之所以能利用这个启动子系统,或者称之为可以被这一物种识别的,基因活化系统,是因为成年动物可以泌乳

耶鲁公开课 - 生物医学工程探索课程节选

Notice the importance -and we'll come back to it-- of the word "dominant": "the dominant" in the thinking of the Russian formalists and the struggle for dominance among species in a habitat.

注意这个词的重要性,我们还会讲到，支配，这个词：,俄国形式主义者所说的支配,和物种间争夺栖息地的支配。

耶鲁公开课 - 文学理论导论课程节选

Behind both these episodes lies a species of insidious tyranny unknown to the 17th century.

ECONOMIST: Bagehot

Bergman treats their impossible virtuousness as a species of screwball-comedy idiosyncrasy, and makes us believe in them.

NEWYORKER: It Could Happen to You

They have found a species of crayfish that follows the logic of asexuality and does, indeed, clone itself.

ECONOMIST: Asexual reproduction