Written By Laura Thompson Vibrant, fluid, yet detailed paintings of finches, wrens, and chickadees line the hallway leading to the light-filled studio. A James Taylor song plays at a low volume. Paints and canvases are spread about on easels and along the walls in various stages of work. This is the sedate workspace of Charlotte-based artist Wendy Bilas. An established, and much-loved, painter who has been honing her craft over the past 20 years, Bilas has found the right light and touch to …