Himanshu Mishra, Vikas Kumar and Ashish Kumar, 2020. Population Structure and Habitat Utilization of Migratory Birds at Bakhira Bird Sanctuary, Uttar Pradesh, India. Pakistan J. Zool., 52: 247-254. DOI: https://dx.doi.org/10.17582/journal.pjz/2020.52.1.247.254