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. 2020 May 27;6(22):eaba3274. doi: 10.1126/sciadv.aba3274

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Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 3 — Mean raw face distances (and SEM) across kin categories for pictures taken on 45 adult and 16 juvenile females at two age differences. Pairwise differences in least square means (LSMEANS statement; SAS Studio) were calculated across kin-age classes. Sample sizes (pairs of pictures) are provided inside bars. An example of a set of pictures involving one female focal and her three categories of kin is provided. Numbers below the pictures represent the averaged face distance across pictures of the focal female with herself, her PHS, her MHS, and her NK. Photo credits: Jade Meric de Bellefon and Benjamin Laubi, Projet Mandrillus, SODEPAL.