Publication: Why so many Agta boys? Explaining ‘extreme’ sex ratios in Philippine foragers
Why so many Agta boys? Explaining ‘extreme’ sex ratios in Philippine foragers
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Page, A. E., Myers, S., Dyble, M., & Migliano, A. (2019). Why so many Agta boys? Explaining ‘extreme’ sex ratios in Philippine foragers. Evolutionary Human Sciences, 1, e5. https://doi.org/10.1017/ehs.2019.4
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Abstract
Male-biased sex ratios have been observed in multiple small-scale societies. Although intentional and systematic female-biased mortality has been posited as an explanation, there is often a lack of ethnographic evidence of systematic female neglect and/or infanticide. The Agta, a foraging population from the Philippines, have a skewed sex ratio of 1.29 (129 males per 100 females) aged 15 years or under. We hypothesised that this skew was not caused by greater female deaths, but due to an adaptive response, where more males were produc
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- Page, Abigail E
- Myers, Sarah
- Dyble, Mark
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Page, A. E., Myers, S., Dyble, M., & Migliano, A. (2019). Why so many Agta boys? Explaining ‘extreme’ sex ratios in Philippine foragers. Evolutionary Human Sciences, 1, e5. https://doi.org/10.1017/ehs.2019.4
