But we aren't leaving room- many extinct species all the time.

He was successful, and also found remains of other extinct species.

"Well, what does it mean to talk about an extinct species, when the continent is only eight years old?"

"We've never been able to do that with extinct species."

Why did some extinct species seem to resemble those that took their place?

Among the 64 extinct species of marine fish 39 were never before discovered, the report said.

"And that's why there are all these extinct species, right?"

To date there have been two extinct species named from the fossil record.

What got them here was those great granite messages left by an extinct species.

Conservationists say they will be an extinct species after another election or two.