September is the peak month for bird migration in our area. Some species including early migrators like Baltimore Orioles and Yellow Warblers are already mostly departed. Many species who spent the summer in our area now gather in mixed flocks in large numbers to feast on berries, insects and seeds as they store energy for their journey. They are joined by other species who pass through WI on their migration down from their northern breeding grounds. Soaring birds like hawks, eagles, pelicans and swallows usually migrate during the day. Songbirds often migrate at night when the wind subsides, and spend …
