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