sex identification

tags: birds, bird sex chromosomes, ZZ, ZW, parrots, sex identification, molecular biology Evolution of Avian and Mammalian sex chromosomes. Image: E.R.S. Roldan and Montserrat Gomendio "The Y chromosome as a battle ground for sexual selection" Trends in Ecology & Evolution 1999, 14:58-62. You all are probably curious to know what is happening with my birds these days, so I shall tell you about how sex is identified in birds, such as parrots, where the sexes look the same. But wait a minute, you ask, what does an update about my birds have to do with identifying sex in parrots? You…