Promiscuity and parental behavior in birds are driven by demographics, not the other way around

New research shows that variation in mating behaviors, parental care and differences in ornamentation of the sexes in bird ...
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Paternal behaviour in a socially monogamous but sexually promiscuous passerine bird

https://brill.com/view/journals/beh/153/4/article-p443_4.xml,https://brill.com/downloadpdf/journals/beh/153/4/article-p443_4.pdf,https://brill.com/view/journals/beh ...