Shen Collection, Middle Volume Radical: Insect (chóng) Entry: Lei Kangxi stroke count: 21 Page 1101, Entry 29 According to the Compilation of Sounds (Leipian), pronounced lei. According to the Categorized Compilation (Leipian), it is the same as the character for a type of bird. In the Biography of Sima Xiangru from the History of the Former Han (Qianhan Shu), it mentions the flying lei (a type of flying mammal). Zhang Yi comments that the lei is a flying rodent, shaped like a rabbit but with the head of a mouse, and it flies. Guo Pu comments that the lei has purple-red fur, flies and gives birth to live young, and is also called the flying creature. Originally written as lei. For further details, see the Bird radical.