Needless to say, a new PETA ad features exactly that, except this time he’s just shirtless. A PETA release said it is illegal to keep any bird other than a lovebird or blue rock pigeon in captivity. "Denied companionship and the ability to fly, they can become so neurotic and self-destructive (that) they will pull out their own feathers," Schenkenberg said in a written statement.