"This lovely gazelle was officially declared extinct in the wild in 1968."
a mamoth is extinct
This is the fossil of an extinct animal.
the polar bear will be extinct soonDinosaurs that once roamed the earth are now extinct.
Why did the dinosaurs go extinct? Humans will never go extinct!
Dinosaurs are now extinct. There are many species of birds that are extinct.
Shakers are a nearly extinct religious sect.
some animals like dinosaur and dodo birds have been extinct for thousands of years.
Dinosaur's are extinct now from the 2000 B.C.
Dinosaurs are currently extinct, and if we keep killing endangered animals, all those animals will be extinct.
dinosaurs are no longer in existense, but are extinct.
Plantae compromises all living or extinct plants.
Extinction has happened to the dinosaur family.