One of the most beautiful feathers in nature is also one of the most useful to fly tyers. These high-quality lemon barred wood duck flank feathers create outstanding nymph legs, emerger tails, and Catskill-style dry wings. Traditionally used for trout flies, wood duck feathers, or the utility feathers, work well on bass and salmon fly patterns. Color: Lemon Barred. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.