This is considered an open species of sorts, so that means you and your friends can make your own Animal Head! Animal Heads can take on many different shapes and sizes, and thus it brings practically endless creativity in visual potential. However, there is only one real rule when styling an Animal Head. And that rule is that they don't resemble a human once they become an Animal Head.
The other rule, which is optional, is that they generally take on a plushie style. Meaning, they tend to look like plush toys that one would find at a toy store.
If you wish to make your Animal Head lore accurate, then here are a few questions that can help you build your Animal Head:
Once you answer these questions, you can fill in what lore you would want for your Animal Head!