Use-wear patterns on wild macaque stone tools reveal their behavioural history.

Burmese long-tailed macaques (Macaca fascicularis aurea) are one of a limited number of wild animal species to use stone tools, with their tool use focused on pounding shelled marine invertebrates foraged from intertidal habitats. These monkeys exhibit two main styles of tool use: axe hammering of o...

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Autores principales:	Michael Haslam, Michael D Gumert, Dora Biro, Susana Carvalho, Suchinda Malaivijitnond
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f76a5c3642d94618bf355daac423e540
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spelling	oai:doaj.org-article:f76a5c3642d94618bf355daac423e5402021-11-18T08:59:13ZUse-wear patterns on wild macaque stone tools reveal their behavioural history.1932-620310.1371/journal.pone.0072872https://doaj.org/article/f76a5c3642d94618bf355daac423e5402013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23977365/?tool=EBIhttps://doaj.org/toc/1932-6203Burmese long-tailed macaques (Macaca fascicularis aurea) are one of a limited number of wild animal species to use stone tools, with their tool use focused on pounding shelled marine invertebrates foraged from intertidal habitats. These monkeys exhibit two main styles of tool use: axe hammering of oysters, and pound hammering of unattached encased foods. In this study, we examined macroscopic use-wear patterns on a sample of 60 wild macaque stone tools from Piak Nam Yai Island, Thailand, that had been collected following behavioural observation, in order to (i) quantify the wear patterns in terms of the types and distribution of use-damage on the stones, and (ii) develop a Use-Action Index (UAI) to differentiate axe hammers from pound hammers by wear patterns alone. We used the intensity of crushing damage on differing surface zones of the stones, as well as stone weight, to produce a UAI that had 92% concordance when compared to how the stones had been used by macaques, as observed independently prior to collection. Our study is the first to demonstrate that quantitative archaeological use-wear techniques can accurately reconstruct the behavioural histories of non-human primate stone tools.Michael HaslamMichael D GumertDora BiroSusana CarvalhoSuchinda MalaivijitnondPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 8, p e72872 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Michael Haslam Michael D Gumert Dora Biro Susana Carvalho Suchinda Malaivijitnond Use-wear patterns on wild macaque stone tools reveal their behavioural history.
description	Burmese long-tailed macaques (Macaca fascicularis aurea) are one of a limited number of wild animal species to use stone tools, with their tool use focused on pounding shelled marine invertebrates foraged from intertidal habitats. These monkeys exhibit two main styles of tool use: axe hammering of oysters, and pound hammering of unattached encased foods. In this study, we examined macroscopic use-wear patterns on a sample of 60 wild macaque stone tools from Piak Nam Yai Island, Thailand, that had been collected following behavioural observation, in order to (i) quantify the wear patterns in terms of the types and distribution of use-damage on the stones, and (ii) develop a Use-Action Index (UAI) to differentiate axe hammers from pound hammers by wear patterns alone. We used the intensity of crushing damage on differing surface zones of the stones, as well as stone weight, to produce a UAI that had 92% concordance when compared to how the stones had been used by macaques, as observed independently prior to collection. Our study is the first to demonstrate that quantitative archaeological use-wear techniques can accurately reconstruct the behavioural histories of non-human primate stone tools.
format	article
author	Michael Haslam Michael D Gumert Dora Biro Susana Carvalho Suchinda Malaivijitnond
author_facet	Michael Haslam Michael D Gumert Dora Biro Susana Carvalho Suchinda Malaivijitnond
author_sort	Michael Haslam
title	Use-wear patterns on wild macaque stone tools reveal their behavioural history.
title_short	Use-wear patterns on wild macaque stone tools reveal their behavioural history.
title_full	Use-wear patterns on wild macaque stone tools reveal their behavioural history.
title_fullStr	Use-wear patterns on wild macaque stone tools reveal their behavioural history.
title_full_unstemmed	Use-wear patterns on wild macaque stone tools reveal their behavioural history.
title_sort	use-wear patterns on wild macaque stone tools reveal their behavioural history.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/f76a5c3642d94618bf355daac423e540
work_keys_str_mv	AT michaelhaslam usewearpatternsonwildmacaquestonetoolsrevealtheirbehaviouralhistory AT michaeldgumert usewearpatternsonwildmacaquestonetoolsrevealtheirbehaviouralhistory AT dorabiro usewearpatternsonwildmacaquestonetoolsrevealtheirbehaviouralhistory AT susanacarvalho usewearpatternsonwildmacaquestonetoolsrevealtheirbehaviouralhistory AT suchindamalaivijitnond usewearpatternsonwildmacaquestonetoolsrevealtheirbehaviouralhistory
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Use-wear patterns on wild macaque stone tools reveal their behavioural history.

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