Hares Ear Nymph Trout Flies have to be the most recognised fly, They generally work all year round even when there is no sign of a hatch the hares ear nymphs just get the trout to strike as they represent almost all of the nymphs in the trouts diet. The Goldhead Hares Ears Nymphs work as the main bait. Never be without at least a few of these nymph flies in your fly box. Check out our variety pack selection as there are a few variations of the hares ear nymphs in handy packs. The Flash hares Ear flies have an extra kick to attract the trout.