Cockatiels are known for their ability to whistle various tunes and even learn a few words. They also make amiable and charming pets. The wolf whistle is a two-note whistle, often used in cartoons and movies, that is most commonly used to show appreciation for (or catch the attention of) an attractive woman. It's an amusing whistle to teach your cockatiel, and since it's so short, it's a great trick for beginning trainers and younger birds.
Attempt the wolf whistle yourself, and make sure you can do it consistently several times in a row. Your bird will learn by repetition, so if your whistling is a little rusty, you may need to find a recording of a wolf whistle. (See Resources for a helpful cockatiel-training CD, which includes the wolf whistle among other popular tunes.)2
Place your bird in his cage and remove all toys, food and other stimuli. This will ensure you have your bird's undivided attention.3
Make sure your bird is positioned so that he can see your lips, if you plan to do the whistle yourself. If you are using a recording, you may cover your bird's cage with a dark cloth, which will allow your bird to concentrate on the whistling.4
Repeat the whistle in 10-minute sessions, at least three times a day. Although every bird learns at a different pace, you should see results within a matter of weeks.