Ключевые слова: animal, animals, area, bird, birds, body, brine, common, crane, cranes, day, daylight, daytime, eurasian, european, flask, flight, foraging, full, gray, grus, kingdom, length, lusatian, nature, oberlausitz, pond, sandhill, saxony, shot, spring, springtime, study, upper, view, wholesale, wild, wildlife,