Ooops!
I don't get it. After DNA testing, after years spent acting male, and after many nasty plucking incidents, one of which required surgery, we now find that C2 the cockatoo is actually a girl. The egg at the bottom of the cage was the clincher, clearing up any doubt, unless, of course, the cockatoo is a hermaphrodite.
The egg, obviously a cockatoo egg (yes, I've seen them, in fact raised C2 FROM the egg) sat on the bottom of the cage, carefully laid (not dropped from the perch) by the little pink bird known as the "crazy cockatoo." Now we finally know the extent of the bird's insanity.
So, either the testing company mixed up C2's results, the test was in error, or the cockatoo changed genders magickally. In any case, I am most confused. And this is a difficult state for the Psycho Sensei, trust me.