Shouldn't this be posted in Pet General?

Yes, Piper can mimic and make a bunch of different sounds. He can wolf whistle, bark like a dog, mimic the copier/printer, say "hello"and "uh oh", bang his beak on the desk or whatever surface he's on like a woodpecker, and "dance" (when you move your hand up and down, he bobs his head back and forth and walks around, sometimes even in circles).

Pumpkin can wolf whistle. We're pretty sure she's a female, and, like you said, males are usually the more vocal of the two.