We found a strange species of bird on the island.

我们在这座岛上发现了一种怪鸟。

It smelled of strange species of dogs and cats, of hell and hopelessness.

那儿有陌生的狗和猫的味道，我感到如地狱般地绝望。

But four strange species of amphibians prefer to walk.

但是四种奇怪的两栖动物更喜欢走路。