Aired
December 20, 2017
NOVA
NOVA
Bird Brain #S44E27
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?
Episode 27 of Season 44 from NOVA — available to stream in HD on any device.
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