Growing up in a large social group makes Australian magpies more intelligent, new research shows. The study also found more intelligent females produced more offspring. The research suggests that the demands of living in complex social groups may play a role in the evolution of intelligence.

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Growing up in a large social group makes Australian magpies more intelligent, new research shows. The study also found more intelligent females produced more offspring. The research suggests that the demands of living in complex social groups may play a role in the evolution of intelligence.