%0 Journal Article
%T Social Behaviour: Males Help When Mates Are Rare
%J -
%D 2019
%R https://doi.org/10.1016/j.cub.2019.03.060
%X 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
%U https://www.cell.com/current-biology/fulltext/S0960-9822(19)30388-4