Natural History Wanderings

Smithsonian Magazine reports

Researchers have spotted an “extremely rare” green honeycreeper in Colombia that’s half female and half male. The bird’s plumage is divided directly down the middle, with blue feathers typical of males on its right side and the emerald-green feathers of females on its left. This individual is only the second of the species ever recorded exhibiting this trait—called bilateral gynandromorphism—and the first in more than 100 years.

Read more and see photos at  This ‘Extremely Rare’ Bird Is Half Female, Half Male | Smart News| Smithsonian Magazine