-The first English-language book introducing readers to the distribution and ecology of Blakiston’s fish owl and the red-crowned crane in their natural habitats
-Presents the status quo and prospects for the populations of the two species based on genetic diversity
-Examines how conservation of the two species promises conservation of other bird species
-Presents future perspectives for restoring habitats and increasing the distributions of the two species in Hokkaido
- Includes the results of multiple collaborative projects between Japanese and Russian scientists