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SUMMARY:Communal breeding and life history trade-offs in Agta foragers - A
 bigail Page (Department of Anthropology\, University College London)
DTSTART:20170125T163000Z
DTEND:20170125T173000Z
UID:TALK69648@talks.cam.ac.uk
CONTACT:Ann Van Baelen
DESCRIPTION:Foragers\, such as the Agta are highly cooperative\, thus are 
 prime study populations for exploring communal breeding from an evolutiona
 ry perspective. Due to the labour-intensive nature of observational studie
 s\, previous studies have suffered from small sample sizes\, necessarily l
 imiting analysis. Thus\, many questions have been left unexplored. This re
 search uses innovative methodological techniques to produce high-resolutio
 n interaction networks for 200 Agta. Who interacts with whom is monitored 
 every two minutes for a one week period\, producing over 2\,000 allomother
 -child dyads. I test alternative hypotheses for why 'selfish' individuals 
 provide costly childcare\, finding a role for reciprocal cooperation and j
 uvenile playgroups. I also leverage on the lifestyle variability within th
 e Agta and explore how childcare varies in different scenarios. I find tha
 t care reduces with increased disease and mortality risk associated with t
 he occurrence in settled agriculture.
LOCATION:Seminar Room\, Henry Wellcome Building\, Division of Biological A
 nthropology\, Fitzwilliam Street\, Cambridge\, CB2 3QG
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