Why Dogs Smile and Chimpanzees Cry

Why Dogs Smile and Chimpanzees Cry

1999 · Documentary · 1h 40m · 9.0

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.

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Cast

Sigourney Weaver
Sigourney Weaver
Narrator

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