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

But what good effects could foreign species have in an area it doesn't belong in?

They sat down, not looking at each other, two foreign species struggling to find a common language.

The introduction of foreign species is almost always a burden on the affected ecosystem.

If nothing else, it seemed clear that you would need much time to establish communication with a totally foreign species.

Eventually superior foreign species were selected and incorporated into the family's garden.

The park area is also populated with some foreign species of trees and other plants.

Eventually foreign species were also selected and incorporated into the gardens.

These three substems do not indicate the foreign species used for production.

So I expect it must be with many foreign species.