That's not exactly accurate. For one, animals are also capable of handling "intellectual constructs" (even if less complex) and teaching them to their offspring or herd.
Some starters: http://www.amazon.com/Can-Animals-Moral-Mark-Rowlands/dp/019...
http://www.amazon.com/Moral-Lives-Animals-Dale-Peterson/dp/1...
https://www.amazon.com/Can-Animals-Moral-Mark-Rowlands/dp/01...
Also Analysis of the Self by Kohut
https://www.amazon.com/Analysis-Self-Psychoanalytic-Narcissi...
which is difficult going but helps draw a circle around the concept of "self-centeredness"