Birdsong Definition

I looked up birdsong and I found it interesting that dictionary.com defined it as "the musical call of a bird or birds." The definition actually uses the word music instead of subtly defining it as the calling of birds or some other scientific definition. This led me to wonder what Hamilton would make of this definition. I believe he would try to debunk this definition and chalk it up to simple wording to make for better understanding. He wouldn't agree with this definition because birds aren't actually musical in the human's sense of music.