In mammals, helping is preferentially provided to members of one's own group. Yet, it
remains unclear how social experience shapes pro-social motivation. We found that rats …

Until around 2000, giraffe Giraffa camelopardalis were believed to have no social structure.
Despite a resurgence of interest in giraffe behaviour in around 2010, most studies are of …

Male mammals often kill conspecific offspring. The benefits of such infanticide to males, and
its costs to females, probably vary across mammalian social and mating systems. We used …

The Primate Origins of Human Nature (Volume 3 in The Foundations of Human Biology
series) blends several elements from evolutionary biology as applied to primate behavioral …

In most mammalian species, females regularly interact with kin, which is expected to reduce
aggressive competitive behaviour among females. It may thus be difficult to understand why …

Human children are frequently cared for by non-parental caregivers (alloparents), yet few
studies have conducted systematic alternative hypothesis tests of why alloparents help …

Empathy is a complex phenomenon critical for group survival and societal bonds. In
addition, there is mounting evidence demonstrating empathic behaviors are dysregulated in …

Alloparenting, when individuals other than the mother assist with infant care, can vary
between and within populations and has potential fitness costs and benefits for individuals …

The urgent need for effective wildlife monitoring solutions in the face of global biodiversity
loss has resulted in the emergence of conservation technologies such as passive acoustic …

Species with greater expression of fission-fusion dynamics show greater variability in the
size, composition, and cohesion of subgroups over time. This may allow their adjustment to …