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Abstract
This study conducted the survey of birds, twice from June 25 to 29 and from September 3 to 9, 2012 in Ulleung Island. The total number of individual birds observed in Ulleung Island was 5,692 and they consisted of 67 species of the 38 families belonging to 12 orders. In June, 5,091 individuals of 42 species were observed, and 2,099 individuals of 46 species in September. There were less individuals but more species in September and in June. At each region, 914 individuals (sum of the maximum count) of 37 species were observed at Nari Basin and Sunginbong. The dominant species were Carduelis sinica (35.78%), Passer rutilans (22.98%), Apus pacificus (5.47%), Hirundo rustica (4.38%), etc. In trekking trail areas, 1,063 individuals (sum of the maximum count) of 40 species were observed, which was more than those in Sunginbong. The dominant species were Passer rutilans (26.06%), Carduelis sinica (20.04%), Parus major (10.72%), Apus pacificus (7.62%), etc. In coastal area, 3,929 individuals (sum of the maximum count) of 48 species were observed. There were the largest number of species and individuals. The dominant species were Larus crassirostris (79.10%), Passer rutilans (5.45%), Apus pacificus (3.56%), etc. Through the addition of the newly observed 20 species in this research to the previous studies, the recorded birds in total in Ulleung Island were 112 species of 38 families belonging to 16 orders.
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