The picture says it all. Mammals are very similar to us both physiologically and mentally. Yes, there are big differences but the fundamentals are similar. We should regard them as equals – always, and put aside our human arrogance.
Bound by the same roots and grown by from the same tree of evolution….Not only do they [mammals] share with us humans a talent for survival, but also for flourishment. Consequently they show the same aptitude to avoid pain and suffering while also seeking pleasure and reward.Jordyn Hewer DVM The Theory of Mammalian Life