Some Simple Observation.

This just occurred to me at the park watching the dogs playing.
If you observe the animal kingdom, each species has certain aspect of their brain developed. A dog for instance exercises loyalty and succinct attentiveness to its owner. A tiger is fierce in the jungle with high attentiveness to pray. Although this is the case the brain of the animal is yet still malleable. An animal is able to learn new traits and new behaviors. One interesting facet in the animal kingdom is the fact that no animal "doubts" its own ability and potential - only humans have managed to developed this hindering trait with other abilities that push them forward.