I was told when you pick a pup (in bmc atleast) make sure every toenail is the same color and they have a knot on the head. They will make for a smarter dog. Well i have learned this aint true, but an old dogger told it to me!!!
I brought up the same question the other day on the pot knot on the top or rear of the skull. I actually somewhat have a lil faith in this due to identifying and observing multiple dogs that strangely seem to show higher intelligence.
Again is it just happen stance or an unproven scientific answer.
