I'm not sure how many pigs have had their intelligence evaluated. Most outliers probably go unnoticed. The experimental evidence seems to indicate that pigs are probably smarter than dogs.
People think that dogs are special because they have relationships with them. But that doesn't really make dogs special except as far as the relationship is concerned.
People think that dogs are special because they have relationships with them. But that doesn't really make dogs special except as far as the relationship is concerned.