Why Dogs Smile and Chimpanzees Cry

• Movies
• 1999-01-01
• EN
• Released
• 2h 40m
• US
• Documentary

• 0.0
• 0

Production

Discovery

Storyline

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.