Hen aggressive about nest boxes - Is this normal?

TheFugitivePen

Songster
Sep 14, 2022
96
266
126
Eastern Tennessee
I've posted about this hen before here: https://www.backyardchickens.com/threads/does-separation-help-with-bullying.1555989/#post-26344480.

Midge is one of our 8-month-old pullets who is towards the top of the pecking order. She's very pushy around food, but out in the run or free-ranging, doesn't seem terribly aggressive.
But she HATES other hens in the nest boxes. Like HATES IT. And she doesn't seem broody--she leaves the nest without and issue and isn't protective over the eggs, but NO OTHER CHICKEN BETTER BE IN ANY OF THE BOXES WHEN SHE WANTS TO LAY.

She will crawl out of her box of choice and climb into another occupied nest box to peck the other hen until she runs away. She once attacked my favorite pullet so badly that she pulled a portion of the sweet thing's comb off clean off her scalp. The detached bit eventually fell off completely. My prettiest little pullet now has a deformed comb because Midge wanted her out of the box.

We've isolated and re-introduced Midge to the flock three separate times in hopes that it would knock her down the pecking order. Like I said, out and about with the flock, she seems okay. Pushy, but not vicious, and she's very friendly with people. She doesn't peck people when she's in the nesting box, but she's ruthless with any other chicken trying to lay. This behavior continues despite the bouts of isolation.

Are physical fights over nesting boxes normal hen behavior?
I've seen them all yell at each other over occupied boxes, but Midge is the only one I've seen attack other chickens about boxes consistently. It doesn't matter if she's in one box and a new hen comes in and chooses a different box. Midge will go out of her way to peck or grab the hen until it bleeds and/or flees. She wants the WHOLE coop to herself when she's laying. I have a suspicion that the numerous pecked-comb spots I've seen among my flock are mostly Midge-inflicted over the nest boxes (I rarely see pecks when they're just out in run or the yard).

My husband is ready to cull her. He's of the opinion that "three strikes" puts chickens in the cooking pot.

Before I let him make her dinner, I want to make sure this isn't normal. I don't want to issue a death sentence for just doing what nature intended. BUT! If this is unusual behavior or oddly aggressive, I value a peaceful flock more than a sole chicken.

Thank you!
 
I agree. Another thing you can try, is having nest boxes in separate areas so she won't feel the need to "protect" them from other hens
I can certainly see if we can put up some nesting box curtains. Maybe that will help. Thank you!

Unfortunately, I don't think we could move the nest boxes. My husband built the coop with the nesting boxes sticking out of one wall--so a chicken comes into the coop to enter a box, but we can collect eggs from outside the coop and run. We have four nest boxes, two contained in one large "box" sticking outside the coop and two nest boxes contained in a second large "box" next to it. Conceivably, we could move one large box (two nest boxes), but it would leave a massive hole in the coop wall. I also don't know if moving them inside the coop would cool Midge's fury. She doesn't like any chicken inside the coop period when she's laying or thinking about laying.
 
I can certainly see if we can put up some nesting box curtains. Maybe that will help. Thank you!

Unfortunately, I don't think we could move the nest boxes. My husband built the coop with the nesting boxes sticking out of one wall--so a chicken comes into the coop to enter a box, but we can collect eggs from outside the coop and run. Conceivably, we could move them, but it would leave a massive hole in the coop wall.
Exactly, that's why I'm saying keep those nest boxes there so Queen Bee can have her space, and make separate nest boxes in other areas of the coop for the other hens. You can make the nest boxes out of literally anything
 
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None of my chickens behave like that. Maybe a few pecks on the back of another one if they are in the nesting box that 'top hen' want, but thats it.
Comb pecking is a no no in my opinion.

Yeah, it's not a couple of "You bother me" pecks. It's "I will peck you until you leave."
I've had to remove her for this behavior because she doesn't stop until the other chicken leaves. I'm a big softy, so I wasn't sure if I was overreacting, but, man, it's upsets me. After she hurt my favorite, I try to remove her if I see her getting aggressive ... but I can't be in the coop as nest box referee all day.
 
If the other birds are not hurt other than the squawk, you can leave them alone.

If it were just a couple of pecks and a squawk, I'd leave it. I see that on occasion just observing the flock. Chicken A gets in Chicken B's space, quick peck, a squawk, and that's it.

But once Midge locks on a target in the nest boxes, she doesn't let up until the victim flees or I physically remove her from her victim and take her out into the run. Then she's fine.
 

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