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- 2019
Social Behaviour: Males Help When Mates Are RareDOI: https://doi.org/10.1016/j.cub.2019.03.060 Abstract: In cooperatively-breeding animals, some individuals may postpone or completely forego independent reproduction to help others reproduce. A recent large-scale manipulation of adult sex ratio in wild nuthatches suggests that male birds postpone breeding because of a shortage of potential mates
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