Here's why:
* Instinct: Cats are naturally protective of their young. A father cat's instinct is to guard and care for his kittens.
* Scent: Kittens have a distinct scent that helps the mother and father identify them as their own. This scent helps prevent the father from harming them.
* Socialization: Male cats often participate in raising their kittens alongside the mother. They might groom, play with, and even nurse the kittens.
When might there be a problem?
* Stress: If the father cat is highly stressed, due to a new environment, lack of resources, or aggressive behavior from other cats, he might lash out.
* Unfamiliar kittens: If the kittens are not his own, he might see them as a threat to his territory and potentially attack.
* Hormonal issues: Occasionally, a medical issue, like a hormonal imbalance, could cause aggression towards kittens.
Important Note: If you are worried about the safety of kittens in your care, always consult with a veterinarian or a qualified animal behaviorist. They can help determine if there are any underlying issues and recommend the best course of action.