Molt or ?

[nickey]

I have 3 Easter Eggers and 3 Black Stars - all about 18 months. All 3 Easter Eggers have feather loss - the Black Stars all look good. Not sure if it's molt, mites, or the three bigger ones are picking on them.
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[VIDEO][/VIDEO]ALT=""]https://www.backyardchickens.com/content/type/61/id/6534635/width/200/height/400[/IMG]

 

[OakHillFarm]

its probably molting I don't think the others would pick on them so much as to let you see the feathers