Aggressive, Canibal Chicken, Please Help

[Allymcc1999]

My hen Flick, an amerucana, is about 6 months old. I have had her since she was 4 days old. After her coop mate Richie died we got two new chickens. Dot, a Wyandotte, is about 5 months old, and Daisy, a lavender amerucana is about 4 months old. Recently Flick and Daisy have started to gang up on Dot and last week we rushed her to the vet because the back of her head was torn open. We thought that Richie got attacked by one of our dogs, but now we are not sure because she had a similar injury to Dot, only it was severe enough to have to be euthanized. Fortunately Dot survived and only needed some stiches. We have her inside the house while she recovers. Flick is laying eggs and now and seems to be extremely aggressive towards Dot only, she leaves Daisy alone. We also believe that Daisy may be a rooster because she has been crowing, she has a long neck, and her comb is bigger and darker. Also when I pick up Flick she makes a blood curdling screech. She seems depressed, or just angry all the time. Will our chickens ever get along? Is there anything that I can do to help the situation? Is Flick a serial killer?

 

[DobieLover]

How much space do you have in your coop and run? Can you post pictures of your birds? And the inside and outside of the coop/run?

 

[toriyr]

Do they all eat from the same place - or do you have multiple pellet / feed stations. And are your nesting boxes close together? Maybe she's aggressive because she's territorial and not familiar with the new chickens...
I did have a chuckle at the serial killer bit. lol.

 

[adstowe]

How long have they been housed together? Also size of coop/run needed. Post pictures of Daisy and we can tell you if she is a pullet or cockerel

 

[keesmom]

We also believe that Daisy may be a rooster because she has been crowing, she has a long neck, and her comb is bigger and darker.

If Daisy is crowing at 4 months, you have a cockerel. He may be the one who damaged the other's comb.

 

[aart]

Welcome to BYC @Allymcc1999 ...sorry you are having troubles.
Need more info.....all questions asked above need to be answered if you want a solution.

 

[Allymcc1999]

Here is a picture of Daisy

 

[Allymcc1999]

Our run is very big I would say about 20 by 10 feet at least. I think our problem is that our coop is too small. They have been together for about a month now. They were fine during the day, but when we tried to get them to sleep together in the same coop they would start fighting.

 

[lilmillefleur]

What are the henhouse dimensions?
And yes Daisy is in fact male.

 

[DobieLover]

Here is a picture of Daisy

Daisy is Duke!
How big (in feet) is your coop?