Steven Paul Novella (born July 29, 1964) is an American clinical neurologist and associate professor at Yale University School of Medicine. Novella is best known for his involvement in the skeptical movement as a host of The Skeptics’ Guide to the Universe podcast and as the president of the New England Skeptical Society. He is a fellow of the Committee for Skeptical Inquiry (CSI).
Wikipedia
TLDR: One is identifying as a different gender, one is identifying with a different animal.
It’s in the same paragraph you quoted:
To the best of our knowledge, hormones don’t influence the animals you like or identify with.
From another source: https://theconversation.com/what-are-furries-debunking-myths-about-kids-identifying-as-animals-and-litter-boxes-in-schools-193908