ScienceDaily Posted September 10, 2018 Share Posted September 10, 2018 Up to now, researchers have believed that birds stay at home and altruistically help raise younger siblings because this is the only way to pass on genes when you cannot breed yourself. But this idea is only partially true. A new study shows that birds benefit from being helpful because it also increases their chances of reproducing in the future. View the full article Link to comment Share on other sites More sharing options...
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