Europe's last captive male black-billed amazon parrot has been transferred to a new zoo for a breeding program with one of the few females of its kind.

“This particular example of bilateral gynandromorphy–male one side and female the other–shows that, as in several other species, either side of the bird can be male or female,” said Spencer.

Unfortunately, being a Norfolk Island green parrot (Cyanoramphus cookii) is pretty tricky with the amount of ectoparasites you have to look out for. These include things like feather-feeding lice ...