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de Waal, F. B. M. (2016). The Age of Empathy: The Lessons of a New World from an Old Planet. Harmony Books.

Studies on animal behavior have significantly advanced our understanding of animal cognition, social behavior, and communication. For example, research on animal emotions has shown that animals experience a range of emotions, including joy, fear, and empathy, which are similar to those experienced by humans (Bekoff, 2002). Additionally, investigations into animal social behavior have revealed the complexity of social structures and relationships within and between species (de Waal, 2016). de Waal, F

Bekoff, M. (2002). Animal Emotions: Exploring Passionate Natures. New York: HarperCollins. and communication. For example