How smart are animals?

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  • Episodes include: Dog genius; Creative dolphins; Octopus & cuttlefish; and Profile - Irene Pepperberg and her talking parrot, Alex.


  • Includes optional described video.
  • Originally broadcast Feb. 9, 2011, as an episode of the PBS television series: Nova ScienceNOW.
  • DVD, NTSC, Region 1, widescreen.
  • Closed-captioned.


  • How smart are dogs? / written, produced & directed by Julia Cort -- How smart are dolphins? / produced by Doug Hamilton -- How smart is an octopus? / written by Rusmore Denooyer; produced & directed by Rushmore Denooyer & Dana Rae Warren -- Profile: Irene Pepperberg & Alex / produced by Joshua Seftel & Jesse Sweet; written & directed by Joshua Seftel
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