I have a small bird, he hates the phone and computer.
Back in the 80s, I had a cockatiel that went crazy every time a song was played where someone whistled-- for example, Billy Ocean's "Caribbean Queen" or the Commodore's "Brick House." He soon learned, as part of his repertoire, how to do a "wolf whistle." The first time my wife-to-be came visited my apartment, she was greeted by a long, juicy wolf whistle when she walked through the door. Cracked both of us up.
In these politically correct times, some might not even know what a "wolf whistle" is: