We discuss the paper:
Krams, I. A., A. Mennerat, T. Krama, R. Krams, P. Jõers, D. Elferts, S. Luoto, M. J. Rantala and S. Eliassen (2022). Extra-pair paternity explains cooperation in a bird species. Proceedings of the National Academy of Sciences 119(5): e2112004119.
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