Silhouette, two cranes (grus grus) calling with breath at sunrise, dance of the cranes, bird migration, Vaestergoetland, Sweden, Europe

0pen bill 2 animal behavior animal behaviour animal migrations animal migration animal sounds animal sound behavior behaviour bird migrations bird migration break of dawn breath calling call ciconiiformes common cranes common crane courting seasons courtship behaviors courtship behavior courtship behaviour courtship display courtshiping courtship season courtship cranes crane dance of the cranes deserted display empty eurasian crane europe gruidae gruiformes grus grus mating behavior mating behaviour mating period mating season mating time migrant birds migrant bird migrating bird migration migratory bird morning atmosphere morning suns morning sun morning nobody no one no people nordic northern europe north europe orange perform the courtship display rising sun rutting season scandinavian scandinavia shout social behavior social behaviours social behaviour sunrises sunrise sverige sweden swedish trumpets trumpet two uninhabited vaestergoetland province vaestergoetland woo