Aerial view of a large flock of bean goose taking up in the air, yellow agricultural field, sunny autumn day, autumn bird migration, wide angle drone shot moving forward

flock of birds field migration flock flight panoramic rucava drone foraging nature crowding swarm flying flapping anser serrirostris nest bird clear sky whooper aerial wildlife herd fly 4k scenic autumn goose abundance air beak aerial view background wing crowd natural crowded wild animal clear below nica feather bottom blue behaviour alert bean