When all the animals of one kind are gone, they are extinct.
Extinct means gone forever.
Dinosaurs are extinct. ©Getty Images
Dinosaurs are extinct.
They died when the weather changed and because they could not change how they lived.
Woolly mammths are extinct. ©Getty Images
These are woolly mammoths.
They are extinct.
The dodo is extinct. ©Getty Images
People hunted and killed animals such as the dodo and the thylacine until they had all gone.
Thylacine is extinct. ©Getty Images
They are extinct.
Words
extinct (say ex-ting-t)
All the animals of one kind are gone, there are none left. Plants can also be extinct.
dinosaur (say die-na-saw)
Huge reptiles that lived millions of years ago
mammoth (say mam-uth)
Animals that were very like elephants but with very long fur and huge tusks
thylacine (say thigh-luh-seen)
It was also called Tasmanian tiger. It could open its mouth very wide.