Dancing drives evolution of sexual size dimorphism in manakins

Elsie H. Shogren, Marina Anciães, Julia Barske, César Cestari, Emily H. DuVal, Milene G. Gaiotti, Erik I. Johnson, Rebecca T. Kimball, Miguel A. Marini, T. Brandt Ryder, Micah N. Scholer, Judit Ungvári, Stewart A. White & W. Alice Boyle
Body size mediates life history, physiology, and inter- and intra-specific interactions. Within species, sexes frequently differ in size, reflecting divergent selective pressures and/or constraints. Both sexual selection and differences in environmentally-mediated reproductive constraints can drive sexual size dimorphism, but empirically testing causes of dimorphism is challenging. Manakins (Pipridae), a family of Neotropical birds comprising ~50 species, exhibit both male- and female-biased size dimorphism and are distributed across gradients of precipitation and elevation. Males perform courtship...
1 citation reported since publication in 2022.
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