"Many birdwatchers could go their whole lives and not see a bilateral gynandromorph in any species of bird. The phenomenon is extremely rare in birds, I know of no examples from New Zealand ever.

Rarer yet is the bilateral gynandromorph, an animal that’s half him and half her, split at the midline. The phenomenon has been documented in birds, crustaceans—and butterflies. Evolutionary ...

You don’t see this very often at all.” The two-sex lobster is scientifically known as a bilateral gynandromorph, where the sex is literally split down the middle. The male/female split can ...

van Gestel, Jordi Wagner, Andreas and Barton, Nick H. 2021. Cryptic surface-associated multicellularity emerges through cell adhesion and its regulation. PLOS Biology ...