This cow is a Jersey cross Holstein. So her mother was a Holstein and father a Jersey.
Jerseys are great grass grazers and will strip a field bare unlike their black and white cousins who are more picky eaters. How they manage to graze the ground so hard I am unsure of but could it be something to do with this?
If you look carefully you can see the cows tongue sweeping the grass as she eats. I can only assume it helps her rip the grass up but Ive never really noticed if all the cows do it or just the Jersey cross breds. If anyone out there knows the answer then please send it in to firstname.lastname@example.org and I’ll publish your explanation.