White Pelican birds flying over a lake in Southern Oregon, USA

migratory birds white pelican waterfowl lake migratory bird flock of birds flying waterbird flock of birds migratory migrating flock flying birds birds migrate wetland formation environment pelican gull migration wildlife flapping water aerial nature seagull fauna bird drone flight fowl animals flying group beautiful background wing wings overhead white outdoors fly animal outdoor wild vshape green teamwork colorful