I was doing a little bit of a checkup on our family dog, Rocky, and I found a strange small bump on top of his forehead, in between his ears. I was a bit concerned, so I began looking online, to check whether this was a zit. While I was examining the area, Rocky seemed uncomfortable, so I stopped touching around there. After some online research I’m still not certain what this bump is. Rocky is a 10 month old bull mastiff puppy. Here’s a picture of the mark I found:
Does anyone have any idea what this could be?