但是鸟类没有血小板，爬行动物和鱼类也没有。

But birds don't have 'em, nor do reptiles or fish.

youdao

这种复杂动物，包括鱼类、鸟类、爬行动物和哺乳动物(如我们人类)，具有高度细化的免疫系统，这样的系统不会允许这些外来生物体在我们的细胞中生长。

This group of complex animals, which includes fish, birds, reptiles and mammals (like us humans) have highly specialised immune systems, which should not let these foreign organisms live in our cells.

youdao

如今，蛇已经与包括鱼类、两栖动物类、爬行动物类、鸟类和哺乳动物类中的不少种类一样，成为一个数量正在急剧下降的动物种类。

Snakes now join a list of declining animal populations that includes fish, amphibians, reptiles, birds, and mammals.

youdao