Professor Lee Kisup (Dr. Lee Kisup) from South Korea reported on the meeting of Japanese (Red-crowned) cranes pair with white plastic rings 1K4 and 1K5 in paddy fields near the town of Haman Gyeongnam Province January 17, 2013.
In 2011, these birds are still in the eggs were brought from the nursery Oka Crane Reserve. In Khingansky reserve were incubated and grown in vitro. At the station they were given nicknames reintroduction Kurym and Kuchulym.
In the spring of 2012 at the age of one, they were released into the wild. distance from the place of production to the place of registration of the birds wintering around 1,600 kilometers.