This lovely little waxwing is distinguished from the more common and range-overlapping Bohemian Waxwing chiefly by the red-tipped tail (Bohemian is yellow-tipped). It is a poorly researched and studied species, as it occupies only a very narrow range. It breeds only in the southern Russian Far East, and winters in Japan, Korea, China and the norther part of Taiwan. Its threatened status is due to its seemingly small population and restricted range.
Factsheet: Japanese Waxwing Bombycilla japonica