Human milk is a highly complex liquid food tailor-made to match an infant's needs. Beyond
documented positive effects of breastfeeding on infant and maternal health, there is …

Adverse ecological and social conditions during early life are known to influence
development, with rippling effects that may explain variation in adult health and fitness. The …

This comprehensive introductory text integrates evolutionary, ecological, and demographic
perspectives with new results from field studies and contemporary noninvasive molecular …

Age-related changes in fertility have increasingly been documented in wild animal
populations: In many species the youngest and oldest reproducers are disadvantaged …

Of all the non-human primate species studied by researchers, the rhesus macaque (Macaca
mulatta) is likely the most widely used across biological disciplines. Rhesus macaques have …

Maternal grandmothers play a key role in allomaternal care, directly caring for and
provisioning their grandchildren as well as helping their daughters with household chores …

Adverse experiences during early life exert important effects on development, health,
reproduction, and social bonds, with consequences often persisting across generations. A …

Among mammals, primipara who initiate reproduction before full maturity can be constrained
in their maternal investment, both due to fewer somatic resources and tradeoffs between …

Age‐specific fertility trajectories are fundamental to understanding population structure and
the evolutionary ecology of diverse life histories. However, characterizing reproductive …

Plasticity is assumed to enable beneficial adjustment to the environment. In this context,
developmental plasticity is generally approached within a two-stage framework, whereby …