The Realm According to Bumpo
The Realm According to Bumpo is a fictional adventure book.
Where to find
[The book naturally falls to a dog-eared page in which Bumpo describes the more unusual races he's met in his travels.]
... but they weren't half so strange as the bird folk. First aarakocra I met had the head of a parrot, the body of a human, and wings also of a parrot. I tried not to stare but it was real hard. Turns out she was one of a motley party, cause around her table were a tabaxi (cat folk), a genasi (element folk), and a tortle (turtle folk). Trying to act casual, I asked what they hell they all were. They ignored me, but I can't blame 'em. To them I must've looked awfully dull and average, for they were the first of their kind I'd seen, but I was just one of a billion boring humans to them.