In June and September of 2009, a total of 179 individuals of 25 species, 14 families and 6 orders were found in the region of Manisan (Mt.) of Ganghwado (island). Dominant species included Aegithalos caudatus (20.11%, 36 individuals), Hypsipetes amaurotis (15.08%, 27 individuals), Parus palustris (10.06%, 18 individuals), Parus major (6.70%, 12 individuals), Parus varius (6.15%, 11 individuals), Pica pica (5.59%, 10 individuals) and more. In the 1st survey (June), a total of 108 individuals of 22 species were recorded, and in the 2nd survey (September), a total of 112 individuals of 17 species were recorded. The 1st survey, which showed a higher number of species, showed higher species diversity (2.70) and species richness (4.49) than those of the 2nd survey.