Aerial view of a large flock of common cranes flying over the agricultural fields, wildlife, autumn bird migration, overcast autumn day, wide angle drone shot moving forward

field aerial drone migration landscape flying rucava flight grass cranes common crane birds grus grus nica beautiful fauna common fly sky outdoors animal nature crane wildlife europe beauty water wing beak wild plumage avian bird dance pair wings feathers head ornithology couple natural feather white neck japan grey gray red black