Thousands Of Birds Migrate Across A Wetland Marsh Region In North America

lake waterfowl flock of birds animal migration migrating flock waterfowl migratory wetlands migration wetland geese migrate birds in flight wildlife conservation wilderness area wildlife flapping formation ornithology flight airborne birdwatching bird of prey flying environment bird ecosystem beauty in nature nature pond fly habitat wings lakeshore lake 2010 coastline 1080p 2019