The Tan Birds Nest is a natural variation of the classic Birds Nest nymph. This is a very effective pattern for imitating most caddis and mayflies throughout trout rivers. One thing that stands out to anglers is that you can have success fishing this fly in small creeks to big rivers. The tan Birds Nest can be successfully fished in a nymph rig on a soey rod where it is swung across riffles and long runs. This is an overall great trout fly that all anglers should have.