Most dinosaurs were killed about 65 million years ago.
None, they have been extinct for a long time. None, they have been extinct for a long time.
they aren't extinct
the white tigers have been extinct since 2006
They have never been extinct. They may be endangerd due to poaching.
The Tasmanian forester kangaroo is not extinct.
Since 1921.
About 65 million years
Crocodiles are not extinct.
251(ish) years
They are not extinct, but it was close. Several thousand now live in ALaska and Canada
Dodos have been extinct for a VERY long time now. They became extinct somewhere in the mid-to-late 17th century.
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