1.   All of them were Marine and all of them are extinct.

2.   Dinosaurs have been extinct for millions of years.

3.   Now it is probably extinct as a breeding bird in Shetland, and its place has been taken by the reed bunting.

4.   Some birds have returned to England after once being extinct here.

5.   The line is now extinct but at the time we arrived they had lived in the castle for some five hundred years.

6.   They really are extinct, but managed to compete successfully with the bivalves for a considerable time.

7.   The animal, which once numbered in the millions, is now extinct.

8.   The species was nearly extinct but is now making a comeback.

9.   Some other Parkia species are dispersed by agoutis and it is possible that others may have been adapted to dispersal by large terrestrial herbivores that are now extinct.

10.   Elsewhere in the world, other species thought to be extinct have been rediscovered in the wild.