| 
Citations
 | 
   web
Parr, L. A., & de Waal, F. B. (1999). Visual kin recognition in chimpanzees (Vol. 399).
toggle visibility
Whiten, A., & McGrew, W. C. (2001). Is this the first portrayal of tool use by a chimp? (Vol. 409).
toggle visibility
Dyer, F. C. (2002). Animal behaviour: when it pays to waggle (Vol. 419).
toggle visibility
McGonigle, B. (1985). Can apes learn to count? (Vol. 315).
toggle visibility
Bell, A. M. (2007). Evolutionary biology: animal personalities (Vol. 447).
toggle visibility