Please see the Ukraine version. (The information for our students about applied animation of migration of 118 birds species based on recent publications: 1) La Sorte, F.A., D. Fink, W.M. Hochachka, and S. Kelling. 2016. Convergence of broad-scale migration strategies in terrestrial birds. Proceedings of the Royal Society B DOI:10.1098/rspb.2015.2588, and 2) Pat Leonard. Mesmerizing Migration: Watch 118 Bird Species Migrate Across A Map Of The Western Hemisphere. January 20, 2016.)
Completely different, new ecosystems have formed on this territory.