Bill Redness Is Positively Associated with Reproduction and Survival in Male and Female Zebra Finches
Sexual traits can serve as honest indicators of phenotypic quality when they are costly. Brightly coloured yellow to red traits, which are pigmented by carotenoids, are relatively common in birds, and feature in sexual selection. Carotenoids have been linked to immune and antioxidant function, and t...
Main Authors: | , , , , , , |
---|---|
Format: | Online |
Language: | English |
Published: |
Public Library of Science
2012
|
Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3395645/ |