tail ...... few barbs from teal (flank?) feather
rib ....... copper wire
body ..... hare's mask dubbing, behind ears + pinch of ICE; twisted in split tread
hackle ... teal (flank?) feather, tip removed; inserted in split tread and twisted, then wound
thorax ... hare's mask dubbing, dark shades between the eyes

Same fly in counter light:

Think global, tie local... This fly(mph?) is inspired with great design - Calvert Bird's Nest. The biggest difference is the way of tying the legs, while dabbing is traditionally favored by domestic rodents.