Fair on the poo front, but I can attest to the bollock-licking habit (by the dog, to clarify).
I've never understood why, if dogs have a sense of smell which is supposedly 500x as sensitive as humans', they can shove their nose close up to a steaming pile of retch-inducing badger poo, seemingly analysing it thoughtfully. It would be like me going to a thrash metal concert latest pop sensation, standing with an ear next to the speaker stack, and analysing the finer points of the structures of the songs, while blood seeped from my eardrums.