in all seriousness though, like Ituri I'm rather confused as to what "some question over whether I should post them" means. Why shouldn't you post them?
There are reasons why the zoo doesn't want to publicise the bird, and while I might not always agree with their decisions, I do respect their views. Given the number of photographs I take in the zoo and my relationship with its staff, I'm not going to start posting lots of photographs of things they'd rather I didn't.