Cows have incredible memories and can easily remember an recognize individual faces. Lots of sanctuaries have reported cows running over to greet visitors that they have not seen in over six months or longer.

Do cows Recognise humans?

The authors note, "Calves as well as adult cows show learned fear responses to humans who have previously handled them in a rough manner." Cows also display complex spatial memory and are able to discriminate among individual cows and recognize cow faces as different from the faces of other species.

How do cows recognize their owners?

They know their own names and come from far when called. They stare when they want something, looking from you to the object they want you to see till you understand. Cows have different kinds of moos- voices like ours. Mooing in a loud agitated way could mean that the mother is looking for her calf.