Plains herd (5)
I believe the answer is:
bison
(Other definitions for bison that I've seen before include "Buffalo (US)" , "Large humped bovid of N America" , "Wild cow" , "brute" , "Big beast" .)
I believe the answer is:
bison
(Other definitions for bison that I've seen before include "Buffalo (US)" , "Large humped bovid of N America" , "Wild cow" , "brute" , "Big beast" .)