Found this one here; subbed dyed pheasant rump for guinea.

hook - Dai Riki 280 #8
thread - Uni 8/0 fire orange
abdomen - Ice Dub hot orange
thorax - Ice Dub orange
shoulder - grizzly dyed brown
wing - bronze mallard
collar - pheasant rump dyed orange (1 Tbs Rit Sunshine Orange/ 1 cup water)

Regards,
Scott