otherkin
n.pl.— «Otherkin are essentially people who consider themselves to be not entirely (or not at all) human, for some reason.» —“What is an Otherkin?” by Tirl Windtree Otherkin.net Feb. 5, 2004. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...