News — polymorphism

Male-like ornamentation in female hummingbirds results from social harassment rather than sexual selection

Posted by Douglas douglas@hummingbirdmarket.com on

Jay J. Falk. Michael S. Webster, Dustin R. RubensteinPublished: August 26, 2021 DOI:https://doi.org/10.1016/j.cub.2021.07.043 Highlights Female white-necked jacobins are polymorphic—30% have male-like plumage All juveniles have male-like plumage, excluding sexual selection as an explanation Male-like females receive less con- and heterospecific social harassment Thus, male-like ornamentation in females can arise purely through non-sexual means

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