Identify the different tail types of dogs based on the provided illustrations and their Russian descriptions.

Illustration of Dog Tail Types

The image displays various illustrations of dog tails, each labeled with a number and a Russian description. These descriptions categorize the tail shapes:

• 1) саблевидная (sablevidnaya) - Saber-shaped
• 2) кольцом (kol'tsom) - In a ring
• 3) поленом (polenom) - Like a log
• 4) прутом (prutom) - Like a whip
• 5) крючком (kryuchkom) - Like a hook
• 6) серпом (serpom) - Like a sickle
• 7) купированный (kupirovannyy) - Docked/Cropped

Below these illustrations, a photograph of a Great Dane is shown, which typically has a tail that could be described as saber-shaped or like a whip when relaxed.