There is little evidence that other animals judge the appropriateness of actions that do not directly affect themselves.
Frans de WaalThere's actually a lot of evidence in primates and other animals that they return favors.
Frans de WaalPopular culture bombards us with examples of animals being humanized for all sorts of purposes, ranging from education to entertainment to satire to propaganda. Walt Disney, for example, made us forget that Mickey is a mouse, and Donald a duck. George Orwell laid a cover of human societal ills over a population of livestock.
Frans de WaalBonobo studies started in the '70s and came to fruition in the '80s. Then in the '90s, all of a sudden, boom, they ended because of the warfare in the Congo. It was really bad for the bonobo and ironic that people with their warfare were preventing us from studying the hippies of the primate world.
Frans de Waal