A Murder of Crows
October 24, 2010
15:50 three species that make tools:
- 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
life: 20 years