Variable postpartum responsiveness among humans and other primates with “cooperative breeding”: A comparative and evolutionary perspective

This article is part of a Special Issue “Parental Care”.Until recently, evolutionists reconstructing mother–infant bonding among human ancestors relied on nonhuman primate models characterized by exclusively maternal care, overlooking the highly variable responsiveness exhibited by mothers in species with obligate reliance on allomaternal care and provisioning. It is now increasingly recognized that apes as large-brained, […]