Birds threatened by a farmer, machine, tractor, agriculture, agricultural, soil, farm, equipment, landscape, farmer, land, nature, season, Europe, people, work, seed, view, preparing, aerial, drone, wheat, plant, farming, above, corn, cultivate, drone photography, Europe, cultivator, agronomy, vehicle, engine, rural, harvest, farming-tractor, transport, crop, farming-equipment, farming-machinery -nominated by Mary