RIR looking sick- Missing tailfeathers, Dark around eyes, closeup Pics

[sunnibunny99]

http://s575.photobucket.com/albums/ss197/sunnibunny99/pets/?action=view&current=chicken.jpg&newest=1
Full body
http://s575.photobucket.com/albums/...?action=view&current=chickenhead.jpg&newest=1
Head
http://s575.photobucket.com/albums/...ts/?action=view&current=chicken2.jpg&newest=1
Her sister

Sorry, I dunno how to do direct pics

Does she look sick to you? The first two pics are of her, the 3rd is an example, Showing her healthy sister. Shes also been kinda tired acting. Thanks for the help

 

[Renee]

She does not look sick to me. Perhaps she is moulting. How does her poop look?

 

[sunnibunny99]

Well, We have like 17 chickens, So its hard to tell which is hers, But I'll figure it out.