I have two pembroke corgis, Toby and Ginger. We adopted both of them so we don't know too much about their history but Toby is full size and Ginger is about 10lbs underweight (so we think she might be mixed with something else). But when Ginger is excited she wags her little nub like there is no tomorrow and it is the funniest thing! Toby on the other hand never wags his nub. Does your corgi wag his nub? Do you know what might cause this kind of behavior?
Josh