In the Guangyun (Guangyun), the pronunciation is noted as tu xie qie. In the Jiyun (Jiyun), the pronunciation is noted as da xie qie, with a pronunciation identical to "die." The Guangyun records it as the name of a bird. According to the commentary by Guo Pu on the "Lei Bird" in the Classic of Mountains and Seas (Shanhaijing), the Zhengzitong (Zhengzitong) mentions a bird named "lei" with two heads and four feet, which appears as one when flying. Here, the character "lei" rhymes with the character "fei." The pronunciation of "lei" is "li." From this, it can be inferred that "䴑" is a variant or erroneous form of the character "lei." For detailed information, please refer to the annotation for the character "lei."