A "must have" material with dyed colors that compliment the natural iridescence.
Peacock Eyes are popular with salmon and steelhead fly tyers, due to its color and iridescence.
Peacock Swords are great for tails on flies such as the Zug Bug Nymph and for salmon and steelhead flies.
Peacock Herl is an all-purpose material and ties flies of all types.
Twist several strands together to make a rope or strip a single strand to make segmented bodies on midges, nymphs, and dry flies.