Here is a selection of the feathers from the same bird.

Counterclockwise from top left: under covert, rump, upper covert, breast. Back feathers are very similar to the upper covert feather.
Here is a pattern with the over covert.
Hook: Mustad R50 #14
Thread: Pearsall's silk thread brown
Rib: lagartun silver braid fine
Body: Hare's ear dyed dark dun
Hackle: bobwhite quail upper covert

and one with the breast feather
Hook: Mustad 3399A #14
Thread: pearsall's silk thread brown
Body: Davy's Bug Dub, rear natural hare and thorax golden
Hackle: bobwhite quail breast feather
