Comparative study of territoriality and habitat use in syntopic jungle Crow(Corvus macrorhynchos) and Carrion Crow (C. corone). Ornithological Science. 2003. 2: 103-111
ウグイスの雄による巣立ちビナへの給餌(共著). Strix. 2001. 19
A record of a male Bush Warbler feeding its fledgelings. Strix. 2001. 19