This is a cow in Colombia. It seemed like nearly all the cows I saw there had black patches around their eyes like this one. What does that mean? Is it typical of a particular breed? Or what? Do I have any cow experts out there who can enlighten us?

This is a cow in Colombia. It seemed like nearly all the cows I saw there had black patches around their eyes like this one. What does that mean? Is it typical of a particular breed? Or what? Do I have any cow experts out there who can enlighten us?