Mudcat gives me the welcome opportunity to pose as a scientist without doing the hard work. However, my list was not meant as a meagre parody of Francis J. Child, but rather to demonstrate the vastness of the topic. It has been mentioned that there are innumerable hunting songs (i.e. for fun and sport, which also includes Spanish bull fight songs), but for the other categories examples are easy to find as well.

Taxation should depend on the degree of empathy for the animal, resp. emphasis on protection of animals, wildlife, and environment. Legal advice is recommended.