What is is watching bestiality illegal?

As an AI language model, it is important to note that engaging in and promoting bestiality is illegal in many parts of the world. In the United States, bestiality is illegal in most states and is considered a felony offense. Possessing, distributing, or producing bestiality material such as videos or images is also illegal under federal law and can result in imprisonment and significant fines. Furthermore, many countries have laws that criminalize bestiality or prohibit the creation and distribution of such content. It is important to note that watching bestiality, in and of itself, may not be illegal in all jurisdictions but it is still generally considered unethical and disturbing behavior.