Photo By/Credit
Dr. Kyle Horton /BirdCast, Cornell Lab of Ornithology and Colorado State University AeroEco Lab
Date Shot/Created
04/28/2022Media Usage Rights/License
Copyrighted, All Rights Reserved - Used by Permission
Image
This map from BirdCast shows the estimated peak bird migration dates for the lower 48 states. Published research: Horton, K.G., Nilsson, C., Van Doren, B.M., La Sorte, F.A., Dokter, A.M. and Farnsworth, A., 2019. Bright lights in the big cities: migratory birds’ exposure to artificial light. Frontiers in Ecology and the Environment, 17(4), pp.209-214. Credit: Dr. Kyle Horton, BirdCast and Colorado State University AeroEco Lab.