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Ecological and social correlates of chimpanzee tool use by Crickette M. Sanz, and David B. Morgan Philosophical Transactions B Volume 368(1630):20120416.

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Presentation on theme: "Ecological and social correlates of chimpanzee tool use by Crickette M. Sanz, and David B. Morgan Philosophical Transactions B Volume 368(1630):20120416."— Presentation transcript:

1 Ecological and social correlates of chimpanzee tool use by Crickette M. Sanz, and David B. Morgan Philosophical Transactions B Volume 368(1630):20120416 November 19, 2013 ©2013 by The Royal Society

2 Rainfall and temperature in the Goualougo Triangle, Republic of Congo. Crickette M. Sanz, and David B. Morgan Phil. Trans. R. Soc. B 2013;368:20120416 ©2013 by The Royal Society

3 A positive relationship between proportion of fruiting trees and rainfall was documented in northern Congo. Crickette M. Sanz, and David B. Morgan Phil. Trans. R. Soc. B 2013;368:20120416 ©2013 by The Royal Society

4 Proportion of chimpanzee party scan observations spent foraging on fruits and leaves. Crickette M. Sanz, and David B. Morgan Phil. Trans. R. Soc. B 2013;368:20120416 ©2013 by The Royal Society

5 Chimpanzees consumed a higher proportion of leaves when preferred fruits were not available, as shown in the relationship between proportion of party scans in which the apes were observed feeding on leaves or fruits. Crickette M. Sanz, and David B. Morgan Phil. Trans. R. Soc. B 2013;368:20120416 ©2013 by The Royal Society

6 Average time spent gathering termites with tools for 11 chimpanzees (error bars show standard deviation) in relation to the proportion of fruiting trees on the Goualougo Triangle phenology circuit. Crickette M. Sanz, and David B. Morgan Phil. Trans. R. Soc. B 2013;368:20120416 ©2013 by The Royal Society

7 Annual profile of tools used in dipping for ants and perforating ant nests (error bars show standard deviation). Crickette M. Sanz, and David B. Morgan Phil. Trans. R. Soc. B 2013;368:20120416 ©2013 by The Royal Society

8 Chimpanzee tool use in ant predation was positively related to rainfall. Crickette M. Sanz, and David B. Morgan Phil. Trans. R. Soc. B 2013;368:20120416 ©2013 by The Royal Society

9 Annual profile of chimpanzee tool use in honey gathering in comparison to relative flower abundance. Crickette M. Sanz, and David B. Morgan Phil. Trans. R. Soc. B 2013;368:20120416 ©2013 by The Royal Society

10 (a) Adult male and juvenile chimpanzee forage in close proximity to one another at an epigeal termite nest using a perforated twig and a fishing probe to extract termites. Crickette M. Sanz, and David B. Morgan Phil. Trans. R. Soc. B 2013;368:20120416 ©2013 by The Royal Society


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