The shape of the cows is exaggerated, but not by much - many breeds of cow are just incredibly rectangular in profile.
https://images.squarespace-cdn.com/content/v1/5475e650e4b0df...
replies(7):
https://images.squarespace-cdn.com/content/v1/5475e650e4b0df...
https://onpasture.com/2016/07/04/from-big-to-small-to-big-to...
All 3 parts of this are fascinating.
https://en.wikipedia.org/wiki/Droughtmaster
There is also the aptly named SQUARE MEATER which maintains the rectangular cow aesthetic