You mean like these bison? (Warning: Photos are over 1 MB)
Bison on road
Bison on road, at car window
Yes, those. They’re not tame. Accustomed to human presence, yes, but not tame. Get close enough to one to trigger its ‘fight or flight’ mechanism and you’d better pray to numerous gods it picks flight. Usually it will pick flight, but not always and the alternative really sucks for you.