Table 2. Appearanc of amphibians at the alternative habitat for Kaloula borealis in University of Seoul

Date of investigation Species name Appearance status
2015 11-April Dybowski's brown frog Rana dybowskiir ․7 eggs
1-July Narrow-mouthed toad Kaloula borealis ․1 adult
13-July Narrow-mouthed toad Kaloula borealis ․6 adults
15-July Narrow-mouthed toad Kaloula borealis ․A large number of eggs(about 1,500), 4 tadpoles
17-July Narrow-mouthed toad Kaloula borealis ․A large number of eggs(about 280), 18 tadpoles
23-July Narrow-mouthed toad Kaloula borealis ․8 adults
23-July Tree frog Hyla japonica ․1 adult
25-July Narrow-mouthed toad Kaloula borealis ․15 tadpoles
3-August Narrow-mouthed toad Kaloula borealis ․Tadpoles(about 200)
20-August Narrow-mouthed toad Kaloula borealis ․Tadpoles
30-August Tree frog Hyla japonica ․2 adults
2016 3-April Dybowski's brown frog Rana dybowskii ․3 eggs
5-April Huanren brown frog Ranahuanrenensis ․3 eggs
3-May Tree frog Hyla japonica ․3 objects of sound
Narrow-mouthed toad Kaloula borealis ․3 objects of sound
17-May Tree frog Hyla japonica ․2 adults
Narrow-mouthed toad Kaloula borealis ․1 adult, 6 objects of sound
2-July Narrow-mouthed toad Kaloula borealis ․150 eggs, 3 adults
5-July Narrow-mouthed toad Kaloula borealis ․1 adult, 18 objects of sound
15-July Tree frog Hyla japonica ․1 adult
16-July Tree frog Hyla japonica ․3 objects of sound
29-July Narrow-mouthed toad Kaloula borealis ․6 objects of sound
2017 7-June Narrow-mouthed toad Kaloula borealis ․1 object of sound
13-June Narrow-mouthed toad Kaloula borealis ․6 objects of sound
15-June Narrow-mouthed toad Kaloula borealis ․6 objects of sound
25-June Narrow-mouthed toad Kaloula borealis ․30 objects of sound
Tree frog Hyla japonica ․5 objects of sound
26-June Narrow-mouthed toad Kaloula borealis ․13 objects of sound
15-August Narrow-mouthed toad Kaloula borealis ․3 objects of sound, 2 tadpoles
Tree frog Hyla japonica ․10 adults, 2 tadpoles
21-August Narrow-mouthed toad Kaloula borealis ․1 object of sound
Tree frog Hyla japonica ․6 adults, 1 tadpole