Crows can act out a three-step plan

A Murder of Crows
October 24, 2010
http://www.pbs.org/wnet/nature/episodes/a-murder-of-crows/full-episode/5977

15:50 three species that make tools:

  • elephants
  • chimpanzees
  • Caledonian crows: they make and use tools in much more sophisticated way than chimps

16:50 to use a tool to get another tool to get food requires much more complex cognitive powers meta tool use

17:45 Crows can act out a three-step plan!

39:30 Theory of Mind

food caching

Seattle

life: 20 years

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