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. 2012 Jan 11;7(1):e30041. doi: 10.1371/journal.pone.0030041

Figure 1. Allomaternal nursing across one-male units in a same group of Rhinopithecus bieti.

Figure 1

A: Adult male with a white mark on its upper lip. B: The adopted Infant following the OMU. C: The adopted infant residing within the OMU. D: The adopted infant nursing on allomother. (Photograph by Dayong Li).