The study analyzed data from more than 60% of the world's bird species—approximately ... and durable sociosexual bonds), resource-defense polygamy (weak and transient bonds) and lekking (absence ...

In contrast, resource-defense polygamy, where one sex — usually ... The study analyzed data from more than 60% of the world’s bird species — approximately 6,620 species — making it one ...

A recent decree aimed at regulating polygamy among Jakarta’s male civil ... The Independent is the world’s most free-thinking news brand, providing global news, commentary and analysis for ...