What colour is an American bison?

American bison are typically brown in colour, with a darker brown mane and hump. However, there is some variation in colour between different subspecies of bison. For example, the wood bison, which is found in Canada and Alaska, is darker brown than the plains bison, which is found in the Great Plains of the United States. Additionally, some bison may have white patches on their face, chest, or rump.