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Watch NOVA Season 44 Episode 27 Online

  • 6.8/10
  • COUNTRIES: United States of America
  • Subtitles: English

Watch astonishing tests of avian aptitude: parrots that can plan for the future, jackdaws that can “read” human faces, and crows that can solve multi-step puzzles with tools like pebbles, sticks, and hooks. Could these just be clever tricks, based on instinct or triggered by subtle cues from their human handlers?