Humans are not always the only species to bury their dead.

It is the only species to have a black hood and yellow body.

The only species we've seen where this doesn't happen is the rabbit.

Within its range it is the only species of crow.

We're not the only species on the planet and we should act like it.

Then for other women, who are the only species that really notices the details.

They mean to be the dominant but not the only intelligent species on Earth.

These are the only species of tree in the reserve.

We don't seem to be the only species cursed with that.

They had the only species large enough to carry focus.