"I can't even answer questions about myself, let alone about that strange and foreign species: guys."

For now, the strange species is a draw at the aquarium.

We professional scientists are no strange species, alien to our race.

Anyone of a strange species might be a teacher.

Or perhaps it was another of the same strange species; no one would ever know.

Perhaps it is instead a strange new species of stoat, who grew particularly large.

The old man was regarding him as if he were a strange species behind bars.

Women were a strange species to him, and his little knowledge of them came mostly from books.

It certainly is a strange world, but we are a strange species as well.

Humanity is at war with a strange alien species known as the Krool.