SUMMARY: Avian retroposons — “jumping genes” — reveal that birds and their sex chromosomes evolved together, and provide us with important clues into the evolution of sex chromosomes and sex […]
I’ve always loved white-throated sparrows, Zonotrichia albicollis. Not only are these handsome birds the sister species to my own dissertation bird, the white-crowned sparrow, Z. leucophrys, but I think they […]
