What extinct or endangered animal would you like to hunt and what rifke wouod you use ?

I already let mine out it's mastodon with one of my 416s with barns 400 grain bronze bullets. I am pretty sure some where they have cloned them .My professors told us they were trying to clone them back in the 1980s .Tigers would be a close second along with Irish elk that were awesome I would like to hunt tigers with my win 1895 teddy Roosevelt 405 win
It should be a rifle or weapon uoy own yourself now