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Mineral acquisition from clay by Budongo Forest chimpanzees

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Date
28/07/2015
Author
Reynolds, Vernon
Lloyd, Andrew W.
English, Christopher J.
Lyons, Peter
Dodd, Howard
Hobaiter, Catherine
Newton-Fisher, Nicholas
Mullins, Caroline
Lamon, Noemie
Schel, Anne Marijke
Fallon, Brittany
Keywords
Wild chimpanzees
Soil consumption
Kibale forest
Uganda
Geophagy
Colobus
Sodium
Diet
BF Psychology
NDAS
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Abstract
Chimpanzees of the Sonso community, Budongo Forest, Uganda were observed eating clay and drinking clay-water from waterholes. We show that clay, clay-rich water, and clay obtained with leaf sponges, provide a range of minerals in different concentrations. The presence of aluminium in the clay consumed indicates that it takes the form of kaolinite. We discuss the contribution of clay geophagy to the mineral intake of the Sonso chimpanzees and show that clay eaten using leaf sponges is particularly rich in minerals. We show that termite mound soil, also regularly consumed, is rich in minerals. We discuss the frequency of clay and termite soil geophagy in the context of the disappearance from Budongo Forest of a formerly rich source of minerals, the decaying pith of Raphia farinifera palms.
Citation
Reynolds , V , Lloyd , A W , English , C J , Lyons , P , Dodd , H , Hobaiter , C , Newton-Fisher , N , Mullins , C , Lamon , N , Schel , A M & Fallon , B 2015 , ' Mineral acquisition from clay by Budongo Forest chimpanzees ' , PLoS One , vol. 10 , no. 7 , 0134075 . https://doi.org/10.1371/journal.pone.0134075
Publication
PLoS One
Status
Peer reviewed
DOI
https://doi.org/10.1371/journal.pone.0134075
ISSN
1932-6203
Type
Journal article
Rights
© 2015 Reynolds et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited
Description
Date of Acceptance: 06/07/2015
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  • University of St Andrews Research
URL
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0134075#sec023
URI
http://hdl.handle.net/10023/7306

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