Chapter

Living in Social Groups and Its Influence on Fertility
Living in big social groups provides protection against predators but also leads to a decline in fertility, which can cause groups to split. Women, in particular, may feel overwhelmed and pressured, leading to the need for smaller groups.
Clips
The text discusses men's roles in societies, including the ways they care for children, as well as their usefulness in owning land for farming and as laborers for landless peasants.
33:20 - 37:35 (04:15)
Summary
The text discusses men's roles in societies, including the ways they care for children, as well as their usefulness in owning land for farming and as laborers for landless peasants.
ChapterLiving in Social Groups and Its Influence on Fertility
Episode#520 - Robin Dunbar - The Evolutionary Psychology Of Love
PodcastModern Wisdom
The decline in fertility of females limits the size of social groups that animals can form for protection against predators.
37:35 - 40:36 (03:01)
Summary
The decline in fertility of females limits the size of social groups that animals can form for protection against predators. This effect is observed in various animal species and may explain the social dynamics of early human societies.
ChapterLiving in Social Groups and Its Influence on Fertility
Episode#520 - Robin Dunbar - The Evolutionary Psychology Of Love
PodcastModern Wisdom
In species from primates to lions to social monkeys, there is an inverted U-shaped relationship between female fertility and group size, where beyond a certain point the negative effects on fertility start to outweigh the positive effects of being in a group.
40:36 - 49:07 (08:30)
Summary
In species from primates to lions to social monkeys, there is an inverted U-shaped relationship between female fertility and group size, where beyond a certain point the negative effects on fertility start to outweigh the positive effects of being in a group.
ChapterLiving in Social Groups and Its Influence on Fertility
Episode#520 - Robin Dunbar - The Evolutionary Psychology Of Love
PodcastModern Wisdom
In many animal species, female relatives form coalitions to protect each other.
49:08 - 53:40 (04:32)
Summary
In many animal species, female relatives form coalitions to protect each other. Without the support of female family members, females often need to hire male bodyguards to ensure their survival.