Buffalo's close cousin (5)

I believe the answer is:

bison

(Other definitions for bison that I've seen before include "Shaggy-haired wild ox" , "Large shaggy wild ox" , "North American buffalo" , "Wild ox of the prairies" , "Kind of shaggy cattle" .)

I've seen this clue in the Newsday.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.