KOREAN ENGLISH CHINESE JAPANESE         HomeEcology White Paper of DMZExploration of Imjin RiverSeasonal bird of Imjin River     1) Natural monument in the mouth of Imjin river   2) Water birds and raptorial birds seen in the mouth of Imjin river 3) Migratory bird in DMZ 4) Birds in down stream of Imjin river and Han river 1) Natural monument in the mouth of Imjin river   blackfaced spoonbill, spoonbill(natural monument 205, endangered species), yellow beak spoonbill, Swan Goose, mandarin duck, white-tailed sea eagle, sparrow hawk, einereous vulture, Black vulture, hen harrier, kestrel, Manchurian Crane, hooded Crane, White-naped, Eagle Owl 2) Water birds and raptorial birds seen in the mouth of Imjin river   little grebe, great crested grebe, freshwater cormorant, the great egret, little egret, heron, spoonbill(natural monument 205, endangered species), brant(natural monument325, protected species), white-fronted goose, bean goose(protected species), snow goose, Chinese goose(natural monument, protected species), swan(natural monument201,protected species) Sheldrake, black-beaked duck, mandarin duck(natural monument,327), mallard, spot-billed duck, teal, Baikal teal(protected species), pintail, spoonbill, pochard, turfed duck, goldeneye, white goosander, goosander, osprey(protected species), white-tailed eagle(natural monument243, endangered species), Asiatic sparrow hawk(natural monument 323), Korean buzzard(protected), common buzzard(protected species), imperial eagle(protected species), eagle(natural monument243, protected species) ash color marsh hawk(natural monument 323), Eurasian Hobby(protected), saker falcon, merlin(protected species), kestrel(natural monument323) , crane(natural monument 202, endangered species)hooded crane(natural monument228, protected species), white naped crane(natural monument203,protected species), protected, gray plover, lapwing, fresh water snipe, (herring gull), great herring gull, sea gull, black-tailed gull, eagle owl( natural monument324, protected species) 3) Migratory bird in DMZ   The number of kind of birds researched in DMZ is 58 which includes 11 kinds of rare species, Chinese little bittern, crake, Korean black-naped green woodpecker, azure-winged magpie, etc., and 13 kinds of natural monuments, white-naped crane, crane, kestrel, geri. Especially in Cheolwon plain inside civilian restricted line, 7 out of 15 cranes internationally reserved species such as white-naped crane, hooded crane have been researched living and wintering. In 5 coutries, Korea, China, Japan, Taiwan, and Vietnam, the breeding of the black faced spoonbill , the internationally rare species with about 600 population was identified 4) Birds in down stream of Imjin river and Han river   Since the migratory in down stream of Imjin river lives basin of Imjin river and downstream of Han river moving between them, it’s hard to tell the exact boundary. Also, the inhabitant of White-naped crane which is assigned as natural monument at the moment is set up upper stream of Han river but White-naped crane is often watched in the mouth of Imjin river. Therefore we will study about birds visit these areas comprehensively. Among species found in Han river area and the mouth of Imjin river, the most important species is the 203 natural monument, White-naped crane. White-naped cranes were watched in the down stream of Gokrungcheon, Ilsan-si Songpo-dong, neighbour of Gimpobridge, and mud flat in Gimpo-si Unyang-dong having vegetable diet. A group watched in Chopyoung island were taking a rest. As far as we’ve known, White-naped cranes has a temporary stopover in Han river and the mouth of Imjin river moving from inhabitant in Siberia to South on October. The numbers changes every year but at least 500 White-naped crane do it in the mouth of Han river. Among them, 50-60 have wintering throughout winter in the mouth of Han river and Imijn river. Since the end of Feb. White-naped cranes start its move to breeding place and those which have wintering Japan its neighbor make a stopover again in the mouth of Han river heading North.At the end of March, all of them move to the North. Another important species in this area is Geri. About over 500 Geris temporarily stop on this area during movement period on October and November and from December to Feb. in which it’s cold some winter, and again from the end of Feb. which is the movement period to North more than 500 winter. Geris are mainly distributed over mud flat near tongil tower on Odu mountain, Moonsan bridge, ; Bangujeong and most of them eat on mud flat on the mouth of Gokrung cheon but some are found on mud flat in front of Unyang-dong Gimpo-si and sometimes during passing period they take a rest on mud flat in front of Isanpo I.C. On the mouth of Gokrungcheon most take a rest near mud flat, but some do it between the groups of big gull and white-fronted goose. 60~200 eagle(natural monument 243)s wintered in Jeokseong-meon Duji-ri until the opening of the road passing through Duji-ri and they were distributed; few of them were found in Yoncheon, Jangdan, Gekhyeon-ri, the bridge of freedom, Moonsan bridge, Bangujeong, and mud flat in front of Daedong-ri. White-tailed sea eagle(natural monument 243)s are distributed over Imjingak, Seondong-ri, and Gokrungcheon and mostly they were found taking a rest on mud flat. Apart from them, some natural monuments such as kestrel(323), black crane(228), hen harrier(323), mandarin duck(327), bewick’s swan(201), sparrow hawk(323), crane(202), eagle owl(324) are found Especially internationally endangered species, black-faced spoonbill(205) are found in the mouth of Imjin river and Han river. . The number of kinds of fowls and birds of preys watched in Imjin river are in all 54, white-fronted goose, bean goose, mallard, spot-billed duck, pochard arrive with the big groups of over 10000 the most, and 5000~10000 of black-headed gulls arrive. The number of the kinds of natural monuments is 14, which Geri,white-naped crane, and eagle represent , and including endangered species it’s 15.