J. Marshack

Variation in chimpanzee ‘culture’ is predicted by local ecology, not geography

J. Kamilar, J. Marshack, 2012, Biology Letters.

Intragroup Lethal Aggression in West African Chimpanzees (Pan troglodytes verus): Inferred Killing of a Former Alpha Male at Fongoli, Senegal

J. Pruetz, E. Wessling, S. Lindshield, 2017, International Journal of Primatology.

Does geography or ecology best explain 'cultural' variation among chimpanzee communities?

J. Kamilar, J. Marshack, 2012, Journal of human evolution.

Savanna Chimpanzees (Pan troglodytes verus) Prey on Patas Monkeys (Erythrocebus patas) at Fongoli, Senegal

J. Pruetz, J. Marshack, 2009 .

Are Humans Inherently Killers ?

R. Wrangham, D. Fry, R. Sussman, 2010 .