Eat first, share later: Hadza hunter–gatherer men consume more while foraging than in central places

Hdl Handle:
http://hdl.handle.net/10142/613847
Title:
Eat first, share later: Hadza hunter–gatherer men consume more while foraging than in central places
Authors:
Berbesque, J. Colette ( 0000-0003-0517-9524 ) ; Wood, Brian M.; Crittenden, Alyssa N.; Mabulla, Audax; Marlowe, Frank W.
Abstract:
The foraging and food sharing of hunter–gatherers have provided the backdrop to several different evolutionary hypotheses about human life history. Men's foraging has often been characterized as primarily targeting animals, with high variance and high rates of failure. To the best of our knowledge, however, there are as yet no quantitative studies reporting the amounts of food that men eat while foraging, before returning to their households either empty-handed or with foods. Here, we document this under-reported part of forager's diets—men's eating while out of camp on foray. Our dataset consists of 146 person/day follows (921 hours total) collected over a period of 12 years (from 2001–2013, including 12 camps). Hadza men consumed a substantial amount of food while out of camp foraging. Men did more than just snack while out of camp foraging, they consumed a mean of 2,405 kilocalories per foray, or approximately 90% of what is estimated to be their mean daily total energy expenditure (TEE). The characterization of men's foraging strategies as “risky”, in terms of calorie acquisition, may be exaggerated. Returning to camp empty-handed did not necessarily mean the forager had failed to acquire food, only that he failed to produce enough surplus to share. Surprisingly, the vast majority of the kilocalories eaten while out of camp came from honey (85%). These observations are relevant to evolutionary theories concerning the role of male provisioning. Understanding primary production and consumption is critical for understanding the nature of sharing and the extent to which sharing and provisioning supports reproduction in hunter–gatherers.
Affiliation:
University of Roehampton; Yale University; University of Las Vegas; National Museums of Tanzania; Cambridge University
Citation:
Eat first, share later: Hadza hunter–gatherer men consume more while foraging than in central places 2016, 37 (4):281 Evolution and Human Behavior
Publisher:
Elsevier
Journal:
Evolution and Human Behavior
Issue Date:
26-Jan-2016
URI:
http://hdl.handle.net/10142/613847
DOI:
10.1016/j.evolhumbehav.2016.01.003
Additional Links:
http://linkinghub.elsevier.com/retrieve/pii/S1090513816000118
Type:
Article
Language:
en
Description:
Accepted Date: 24/01/2016; Version: Author Manuscript / Post-Print; Exceptions: None. Made available in accordance with the Creative Commons Attribution Non-Commercial No Derivatives License.
ISSN:
1090-5138
Appears in Collections:
Department of Life Sciences Collection

Full metadata record

DC FieldValue Language
dc.contributor.authorBerbesque, J. Coletteen
dc.contributor.authorWood, Brian M.en
dc.contributor.authorCrittenden, Alyssa N.en
dc.contributor.authorMabulla, Audaxen
dc.contributor.authorMarlowe, Frank W.en
dc.date.accessioned2016-06-21T11:40:50Zen
dc.date.available2016-06-21T11:40:50Zen
dc.date.issued2016-01-26en
dc.identifier.citationEat first, share later: Hadza hunter–gatherer men consume more while foraging than in central places 2016, 37 (4):281 Evolution and Human Behavioren
dc.identifier.issn1090-5138en
dc.identifier.doi10.1016/j.evolhumbehav.2016.01.003en
dc.identifier.urihttp://hdl.handle.net/10142/613847en
dc.descriptionAccepted Date: 24/01/2016; Version: Author Manuscript / Post-Print; Exceptions: None. Made available in accordance with the Creative Commons Attribution Non-Commercial No Derivatives License.en
dc.description.abstractThe foraging and food sharing of hunter–gatherers have provided the backdrop to several different evolutionary hypotheses about human life history. Men's foraging has often been characterized as primarily targeting animals, with high variance and high rates of failure. To the best of our knowledge, however, there are as yet no quantitative studies reporting the amounts of food that men eat while foraging, before returning to their households either empty-handed or with foods. Here, we document this under-reported part of forager's diets—men's eating while out of camp on foray. Our dataset consists of 146 person/day follows (921 hours total) collected over a period of 12 years (from 2001–2013, including 12 camps). Hadza men consumed a substantial amount of food while out of camp foraging. Men did more than just snack while out of camp foraging, they consumed a mean of 2,405 kilocalories per foray, or approximately 90% of what is estimated to be their mean daily total energy expenditure (TEE). The characterization of men's foraging strategies as “risky”, in terms of calorie acquisition, may be exaggerated. Returning to camp empty-handed did not necessarily mean the forager had failed to acquire food, only that he failed to produce enough surplus to share. Surprisingly, the vast majority of the kilocalories eaten while out of camp came from honey (85%). These observations are relevant to evolutionary theories concerning the role of male provisioning. Understanding primary production and consumption is critical for understanding the nature of sharing and the extent to which sharing and provisioning supports reproduction in hunter–gatherers.en
dc.description.provenanceSubmitted by Camilla Griffiths (camilla.griffiths@roehampton.ac.uk) on 2016-06-21T11:39:13Z No. of bitstreams: 3 oUT_OF_CAMP_PROOF.pdf: 1064322 bytes, checksum: 6e523ac1b12222617e9ade0ed85ccc12 (MD5) license_text: 22064 bytes, checksum: ef48816a10f2d45f2e2fee2f478e2faf (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)en
dc.description.provenanceApproved for entry into archive by Camilla Griffiths (camilla.griffiths@roehampton.ac.uk) on 2016-06-21T11:40:48Z (GMT) No. of bitstreams: 3 oUT_OF_CAMP_PROOF.pdf: 1064322 bytes, checksum: 6e523ac1b12222617e9ade0ed85ccc12 (MD5) license_text: 22064 bytes, checksum: ef48816a10f2d45f2e2fee2f478e2faf (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)en
dc.description.provenanceMade available in DSpace on 2016-06-21T11:40:50Z (GMT). No. of bitstreams: 3 oUT_OF_CAMP_PROOF.pdf: 1064322 bytes, checksum: 6e523ac1b12222617e9ade0ed85ccc12 (MD5) license_text: 22064 bytes, checksum: ef48816a10f2d45f2e2fee2f478e2faf (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) Previous issue date: 2016-01-26en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.urlhttp://linkinghub.elsevier.com/retrieve/pii/S1090513816000118en
dc.rightsArchived with thanks to Evolution and Human Behavioren
dc.titleEat first, share later: Hadza hunter–gatherer men consume more while foraging than in central placesen
dc.typeArticleen
dc.contributor.departmentUniversity of Roehampton; Yale University; University of Las Vegas; National Museums of Tanzania; Cambridge Universityen
dc.identifier.journalEvolution and Human Behavioren
This item is licensed under a Creative Commons License
Creative Commons
All Items in RURR are protected by copyright, with all rights reserved, unless otherwise indicated.