Why Dogs Smile and Chimpanzees Cry

Name: Why Dogs Smile and Chimpanzees Cry
Genre: Documentary
Released: 1999-01-01T00:00:00.000Z
Duration: 100 min
Rating: 4
Cast: Sigourney Weaver

Is it human conceit to attribute emotions to animal actions, or are emotions basic to life on earth? Wildlife filmmakers and scientists make a convincing argument for the latter in this gripping film.