Every once in a while, a genetic anomaly will occur in the animal world that blows scientists’ minds. Take, for example, the exotic bird in the image above. It’s “gynandromorphic,” which means a ...

A striking and extremely rare half female, half male bird has been spotted by a University of Otago zoologist. Sesquicentennial Distinguished Professor Hamish Spencer was holidaying in Colombia when ...

Biologists recently made a "once-in-a-lifetime" discovery of a bird that's male on the right side and female on the left. Researchers captured the bird, a rose-breasted grosbeak (Pheucticus ...

Look at this fancy little gentlethem! The bird whose eye-catching color story you are currently jealous of is a green honeycreeper (10/10 on that name, honestly). But this isn’t just any green ...

This Rose-breasted Grosbeak gynandromorph bird possesses both male and female physical traits, including different colored wing pits. Male Grosbeak have reddish pits, while females have yellow. A rare ...

Male and female birds are often quite different. Looking at two individuals of radically different color, it’s sometimes easy to forget this. I often talk to people who think they have multiple kinds ...

Bird banders in Cook Township banded a one-in-a million bird — a rose-breasted grosbeak with half its body looking like a male and the other half, a female. The bird was banded on Sept. 24 at Carnegie ...