"Chapter Forty-Nine: Science Discusses Evidence
However, the girl seemed a bit shy and did not respond to Xiang Kun, so Professor Li explained on her behalf, "She's explained to me before that there is no fixed method of distinguishing, even between birds of the same species, each of them may be different and must be judged according to the situation at the time. If multiple birds are chirping, they must compare with each other to make a judgment. In the end, it's mainly about judging their emotions through their sounds. But I've tried plenty of times using her approach, and I didn't hear much. I guess it's due to her superior hearing that can pick up more details in sounds and a wider range of frequencies..."
After talking about this for a while, "Xiao Pingguo" seemed less shy and joined in their discussion.
