Japanese edit

For pronunciation and definitions of りす – see the following entry.
栗鼠
[noun] a squirrel (rodent of family Sciuridae)
[noun] Short for 日本栗鼠 (Nihon risu): the Japanese squirrel (Sciurus lis)
Alternative spelling
リス
(This term, りす, is the hiragana spelling of the above term.)