van de Pol, Martijn; Heg, Dik; Bruinzeel, Leo W.; Kuijper, Bram; Verhulst, Simon
Many studies have suggested that reproductive performance improves during the pair-bond, which might explain why individuals remate with the same partner in many species. However, discussion exists about whether the association between reproductive performance and pair-bond duration that is reported in these studies reflects a causal relationship. Usually it is unclear whether a positive association is caused by pairs improving during their pair-bond or by high-quality pairs staying together...[Show more]
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