Ok I made up the Black footed part but it sounded good.
An Ibis riddle: (you have to say it out loud to apreciate the twisted tounge part)
"What kind of noise anoys an Ibis?"
"A noisy noise anoys an Ibis!"
Found this fellow just hanging around watching the world go by while we were visiting Hoomaluhia Park Botanical Gardens on the windward side of Oahu.