Thousands Of Birds Migrate Across A Wetland Marsh Region In North America 1

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