Bird species were categorized into three mating systems—monogamy (strong and durable sociosexual bonds), resource-defense polygamy (weak and transient bonds) and lekking (absence of social bonds).

In contrast, polygamy based on resource defense, where an individual protects a territory to attract mates, proves more fragile, often leading to a return to monogamy. The researchers studied data ...

In contrast, resource-defense polygamy, where one sex -- usually but not always the male -- guards territories to attract mates, is highly unstable and often reverts to monogamy. "This research ...

In contrast, resource-defense polygamy, where one sex—usually but not always the male—guards territories to attract mates, is highly unstable and often reverts to monogamy. "This research not ...

In contrast, resource-defense polygamy, where one sex — usually but not always the male — guards territories to attract mates, is highly unstable and often reverts to monogamy. “This research not only ...

As marriage rates decline globally, solo polyamory emerges as a relationship trend that prioritises independence alongside intimacy.