Yes, I'm caucasian and I've seen extincted bison bones.
3 WAYS To CATCH A TIGER. . .
1- Newton's Method = Allow the tiger to catch you & catch the Tiger.
2- Einstein's Method = Chase the tiger until it becomes tired, then catch it.
3- Police Method = Catch a cat and beat it until it accepts its a tiger.
RE: 10 Mammalian Animals That Have Been Extinct in the Past Two Centuries, Sad!