Animals are a favorite subject of many photographers. Cats, dogs, and other pets top the list, followed by zoo animals. However, because it's hard to get them to sit still and "perform on command," some professional photographers refuse to photograph pets.               One way to get an appealing portrait of a cat or dog is to hold a biscuit or treat above the camera. The animal's longing look toward the food will be captured by the camera, but the treat won't appear in the picture because it's out of the camera's range. When you show the picture to your friends afterwards, they'll be impressed by your pet's loving expression. If you are using fast film, you can take some good, quick shots of a pet by simply snapping a picture right after calling its name. You'll get a different expression from your pet using this technique. Depending on your pet's mood, the picture will capture an interested, curious expression or possibly a look of annoyance, especially if you've awakened it from a nap. Taking pictures of zoo animals requires a little more patience. After all, you can't wake up a lion! You may have to wait for a while until the animal does something interesting or moves into a position for you to get a good shot. When photographing zoo animals, don't get too close to the cages, and never tap on the glass or throw things between the bars of a cage. Concentrate on shooting some good pictures, and always respect the animals you are photographing. What is the use of a biscuit in taking pictures of a pet?
To capture a cute look. To create a special atmosphere. To arouse the appetite of the pet. To keep the pet from looking at the camera.