'Mind blown': scientists discover sex reversal in kookaburras and lorikeets with cause unknown

Almost all of the 'sex discordant' birds were genetically female but had male reproductive organs, study findsGet our breaking news email, free app or daily news podcastAbout 5% of common Australian wild birds including kookaburras and lorikeets could have undergone a "sex reversal" where their genetic sex does not match their reproductive organs, according to a new study.The study is thought to be the first to find widespread sex reversal across multiple wild bird species, but the cause of the phenomenon is not yet known. Continue reading...