Circulating Testosterone and Feather-Gene Expression of Receptors and Metabolic Enzymes in Relation to Melanin-Based Coloration in the Barn Owl

    September 2017 in “ General and comparative endocrinology ”
    Paul Béziers, Anne‐Lyse Ducrest, Céline Simon, Alexandre Roulin
    Studysummary In this study, researchers observed that in barn owls, the relationship between black feather spot size and testosterone levels varied by age and sex, suggesting involvement of genes regulating both traits rather than direct influence of testosterone on feather coloration.
    Automatically generated from the study's abstract, not written by a person, and not a review of the full paper. Not medical advice or a treatment recommendation. Read the original study, and consult a qualified healthcare professional before changing treatment. Full disclaimer
    Read the full study on sciencedirect.com →
    Discuss this study in the Community →

    Research cited in this study 1

    1. Effects of Gonadal Steroids on Melanocytes in Developing Hamsters Pediatric Dermatology · 1986