Columbia subject headings:
Altruistic behavior in animals.
Bonobo--Behavior.
Empathy.
Ethics.
Human-animal relationships.
Primatologists--Biography.
Waal, F. B. M. de (Frans B. M.), 1948-
Harvard subject headings:
Altruistic behavior in animals.
Bonobo--Behavior
Empathy
Ethics
Human-animal relationships
Primatologists--Biography.
Waal, F. B. M. de (Frans B. M.), 1948-
Princeton subject headings:
Animal behavior.
Behavior evolution.
Bonobo--Behavior.
Bonobo--Psychology.
Ethics, Evolutionary.
Ethics.
Human behavior.
Primates--Behavior.
Primates--Psychology.