animalbehavior animalcommunication animalintelligence animalpsychology animalrights animals animals(philosophy) animalwelfare annimalcommunication artificialintelligence behavior biology booksandreading chimpanzees clinical communicationnonverbale comparative comparativepsychology developmentalpsychology dogs dogsinliterature emocions emocionsenelsanimals emoties emotion emotions empathyinliterature ethics evolution evolution(biology) expressedemotion expression facialexpression gelaatsuitdrukkingen general health history human-animalrelationships human-animalrelationshipsinliterature inliterature instinct languageandethics lifesciences nature nonfiction nonverbalcommunication pets physionomie primates psychologicalaspects psychologiecomparée psychology reader-responsecriticism science self-realizationinliterature vergelijkendepsychologie verhalten zoology émotions émotionschezlesanimaux