| 
Citations
 | 
   web
Marchal, P., & Anderson, J. R. (1993). Mirror-image responses in capuchin monkeys (Cebus capucinus): social responses and use of reflected environmental information. Folia Primatol (Basel), 61(3), 165–173.
toggle visibility
Byrne, R. W., & Bates, L. A. (2006). Why are animals cognitive? Curr Biol, 16(12), R445–8.
toggle visibility