Another neat take on the Rio Grande King. Hans has a nice vid of a Western Coachman variation (highly recommended); change up the components and you have lots of possibilities.
hook - Mustad 9671 #8
thread - Danville 6/0 black
tail - Golden pheasant tippets
body - wire medium black
thorax - ostrich herl black
hackle - brown
wing - calftail white
Part 1
Mash down barb, start thread at 80% mark, wrap back to bend
even the tips on some GP tippet, measure (shank length); tie in and return to 80% mark
tie in wire, wrap to tail and back
wrap wire forward; tie off, helicopter end and cover with thread
tie in some ostrich, stroke back with wet fingers and wrap thorax; tie off and trim
tie in hackle; stroke fibers back while wrapping, tie off and trim