But now he had to deal with two different species.

The group is very large, with about 500 different species.

The three groups are sometimes considered to be different species.

He had looked upon older people as being from a different species.

Then it was as if they had turned into a different species.

It is now even thought to be a different species.

Any game played by so many different species would have to be built that way.

"There will be many studies now that go into different species."

But it's hard trying to please all these different species.

You have to pull information together from all these different species.