About HAYASHI YUKO
About 保全生態学研究
About Strigiformes
About Hokkaido
About habitat distribution
About breeding area
About follow-up study
About extinction
About nature conservation
About animal migration
About reproductive management
About electric shock
About habitat environment
About Blakiston's fish owl
About Ketupa blakistoni
About Animal ecology in general
About Nature conservation
About 北海道
About シマフクロウ