TIL A cow-bison hybrid is called a beefalo. The breed was created to combine the characteristics of both animals for beef production.

https://en.wikipedia.org/wiki/Beefalo#:~:text=Beefalo%20constitute%20a%20hybrid%20offspring,both%20animals%20for%20beef%20production

https://www.reddit.com/r/todayilearned/comments/15prsr4/til_a_cowbison_hybrid_is_called_a_beefalo_the/