Researchers Discover Rare Gynandromorph Bird That Is Both Male and Female
Researchers in Pennsylvania made a startling discovery while recording and tagging birds on in Powdermill Nature Reserve in late September. The team encountered, tagged, and photographed a very special rose-breasted grosbeak. Although a fairly common East Coast species of woodland bird, this particular creature is a bilateral gynandromorph—genetically part male and part female, split visibly down the middle.










































































