The selfish truth about Fairy-wrens

Collaborative research headed by biologists at Monash University has found that the apparently-altruistic efforts of purple-crowned fairy wrens are actually motivated by selfish interest. Fairy-wrens practise co-operative breeding, where birds help to raise others’ offspring, but the research reveals adult wrens often help to raise other chicks in order to secure further breeding territory later on.

Read more at Monash University