Owner Brad Davis tells WFSB-TV he thinks the marking may be a message from above, though he's still trying to figure out what that message might be.
The mostly brown calf is half Jersey, half Holstein. Neighborhood children have named it Moses.
The chairman of the University of Wisconsin-Madison Department of Dairy Science tells the Norwich Bulletin newspaper it's not unusual for a Holstein cow to have a white marking on its head. But department chairman Ric Grummer says the cross shape is unique.
