My chicken has swelling under beak, having trouble eating

[Eggcessive]

Do you have a rooster? They will go for the mouths when fight another rooster. I’m nit sure how to know exactly what the cause is.

 

[Valentina602]

Do you have a rooster? They will go for the mouths when fight another rooster. I’m nit sure how to know exactly what the cause is.

No, only hens. Although one of my other hens is aggressive and they are both always vying for the top spot.