The next results of the work carried out in terms of the Soviet-Japanese Convention "On the Protection of Migratory Birds, Endangered Birds and their Habitat" are presented. Information is provided on the current state and biology of the tundra swan, crested wasp, peregrine falcon, Japanese zaryanka, paradise flycatcher and other rare birds of the Soviet Far East and the Japanese islands. Small series of messages are dedicated to the mandarin, scaly merganser, pink gull and eagle owl. Preliminary results of the First International Accounting of the Japanese Crane (1984) are published.