organization and international union for conservation of nature.of its kind in history. closer to sunset, the robin, one of the most beautiful and restless spring performers, begins to solo, only song thrushes. competes with her in evening forest concerts, before the evening animals and birds have time to lie down to rest, the morning ones wake up, and so on every spring day. one of the brightest spring events of the berezensky biosphere is the capercaillie current. 3:45 minutes, still in complete darkness, the first capercaillie began to sing. they're starting. currently, male wood grouse are in the trees, and after an hour they descend to the ground, it is here that they meet very cautious females, and in order to attract the attention of motley beauties, male wood grouse, in addition to singing, also take off and jump, loudly flapping their wings. in 1972, on the initiative of the main directorate for nature reserves of the ussr ministry of agriculture, work began on breeding wood grouse in artificial conditions in the berezensky nature reserve.