White Wagtail - A Common Winter Visitor to Assam White wagtail is migratory bird found in Europe, Asia and Africa. Eleven subspecies are recognized. Six species are found in Assam and NE India. An Indian Wagtail, a non-breeding male, is busy wagging its tail up and down while searching for food on an open field. Image ©Rohan Kamath. By Mithu Das May 22, 2012 Wagtails are terrestrial and freshwater birds found in Europe, Africa and Asia. They are named for their peculiar habits of wagging tails, although not all wagtails wag their tails. Some species s...