4K footage of a black cow eating green pasture with cows in the background on rolling grassy hills

pasture cows grassfed cattle grazing cow livestock bovine agriculture steer farming farm herd hill farm green grass grass toro bull rural farmland taurus vegetarian leafy greens countryside beef angus paddock steak animal rolling hills country diet ear tag head down eating land green munching hills landscape luscious flies majestic peaceful beast steep vivid spain