Will a Rooster Kill a Hen? It's very possible a rooster will kill a hen if you don't do something about their aggressive behavior, yes. It happens a lot more due to over-mating than pure aggression, but it happens.

Is it normal for a rooster to attack a hen?

A: Unless your rooster is causing the hens injury, pecking hens on their backs and heads is actually no cause for concern. It is courting behavior. He pecks them on their backs or heads as a signal that he would like to mate.

Are roosters aggressive towards hens?

The rooster struts around the coop and yard like he owns the place. He's in charge and should protect the hens. Sometimes, however, roosters can become overly aggressive with hens. Learn how to spot this behavior and keep your hens safe and happy.