LOL ! What a cute herd ! I was thinking an American Bison (which I think might not strictly speaking be a Buffalo !) . Besides, a male Bison is a bull anyway ! But they are too hairy around the face ...so I guess it is a normal bull or mad steer with big hair
The colour of the glass has a slight pinkish hue in normal light if that is a clue .
I've been trawling though the internet to try to find another example but to no avail