My cousin has a dog named Amo, and he looks like he is maybe a Staffordshire Bull Terrier mixed with some other very muscled dog. His ears really concern me because they are small but they fold over, what little is there, and their like rock hard. There is like no softness to them AT ALL. It concerns me and I am just wondering if this is normal for the breed or if it is something serious. All the help I can get would be fantastic!