The bird songs continue to increase as winter turns to spring and our migratory bird species return to claim their territory. In this episode of Wildlife Matters , the Masked Biologist examines bird migration in relation to their nesting ground selection. I have noticed an increase in the frequency and variety of bird songs in the mornings. I have been getting reports that people in other parts of Wisconsin have begun to see and hear some of our early spring migratory birds. Meteorological