Mammals possess an immense survival advantage over all other forms of animal life in that they can: 1. Bring forth relatively mature and well-developed offspring. 2. Nourish, nurture, and protect their offspring with affectionate regard. 3. Employ their superior brain power in self-perpetuation. 4. Utilize increased agility in escaping from enemies. 5. Apply superior intelligence to environmental adjustment and adaptation.
~ The Urantia Book, (61:1.3)