Chacma baboons (Papio ursinus) get jealous of their siblings' grooming sessions. Delaunay et al., Proceedings of the Royal Society B (2026) If you have siblings, you may remember fighting for your ...
Young primates in a southern African nature park were observed to constantly interfere when their mother was giving attention to a younger brother or sister. By Annie Roth Annie Roth has reported on ...
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