Male cats have unique characteristics that set them apart from female cats. Some surprising facts about male cats include the fact that they are more likely to be left-pawed, they have a special scent gland on their face that they use to mark their territory, and they are more likely to be prone to certain medical conditions such as obesity and urinary tract issues. Additionally, male cats tend to be more territorial and aggressive, especially when it comes to protecting their territory from other animals.

This behavior can sometimes be disturbing to witness, especially if it involves fighting or aggression towards humans. Overall, male cats have their own unique traits and quirks that make them interesting pets to have, but it's important to be aware of their tendencies towards aggression and territorial behavior in order to properly care for and understand them.