1. Furries of FurFest

2. An attendee dressed in a "fursuit" costume sits in the lap of a man at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. Over 5,000 people gathered to follow the Furry Fandom based on anthropomorphic animals, animated cartoon characters with human characteristics, or "Furries". REUTERS/Jim Young

3. An attendee dress up as a fox moves into position for a group photo at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, December 5, 2015. REUTERS/Jim Young

4. An attendee wearing a "fursuit" costume walks down the stairs at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, December 4, 2015. REUTERS/Jim Young

5. Tabby Galloway (R) looks over at an attendee dressed up in a "fursuit" costume at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, December 4, 2015. REUTERS/Jim Young

6. A spectator gets a hug from an attendee wearing a "fursuit" costume during a parade at the Midwest FurFest in the Chicago suburb of Rosemont, December 5, 2015. REUTERS/Jim Young

7. A man kisses a participant dressed in a "fursuit" at the Midwest FurFest in the Chicago suburb of Rosemont December 4, 2015. REUTERS/Jim Young

8. An attendee checks his phone at the Midwest FurFest in the Chicago suburb of Rosemont December 4, 2015. REUTERS/Jim Young

9. A man is hugged by an attendee dressed up in a "fursuit" costume at the Midwest FurFest in the Chicago suburb of Rosemont December 4, 2015. REUTERS/Jim Young

10. Cassie Fisher lays on the floor surrounded by attendees dressed up as "Furries" at the Midwest FurFest in the Chicago suburb of Rosemont December 4, 2015. REUTERS/Jim Young

11. An attendee dressed in a "fursuit" costume performs during a dance competition at the Midwest FurFest in the Chicago suburb of Rosemont December 4, 2015. REUTERS/Jim Young

12. Spectators watch an attendee dressed in a "fursuit" costume perform in dance competition at the Midwest FurFest in the Chicago suburb of Rosemont December 4, 2015. REUTERS/Jim Young

13. Attendees wearing "fursuit" costumes raise their hands to answer a question during a lecture at the Midwest FurFest in the Chicago suburb of Rosemont December 4, 2015. REUTERS/Jim Young

14. Arron Jarvis is reflected in a mirror as he puts on the head for his "fursuit" costume at the Midwest FurFest in the Chicago suburb of Rosemont December 4, 2015. REUTERS/Jim Young

15. An attendee in "fursuit" costume looks at her phone at the Midwest FurFest in the Chicago suburb of Rosemont December 4, 2015. REUTERS/Jim Young

16. Kristen Morgan (L) looks into the mouth of a "fursuit" costume worn by her son Ryan at the Midwest FurFest in the Chicago suburb of Rosemont December 5, 2015. REUTERS/Jim Young

17. An attendee in a "fursuit" costume looks on during a lecture at the Midwest FurFest in the Chicago suburb of Rosemont December 4, 2015. REUTERS/Jim Young

18. Attendees dressed in "fursuit" costumes dance in the hallway at the Midwest FurFest in the Chicago suburb of Rosemont December 4, 2015. . REUTERS/Jim Young

19. An attendee in a "fursuit" costume (2nd L) plays the drums as he joins others playing a video game at the Midwest FurFest in the Chicago suburb of Rosemont December 4, 2015. REUTERS/Jim Young

20. An attendee dressed up in a "fursuit" costume waves down to others from a balcony at the Midwest FurFest in the Chicago suburb of Rosemont December 4, 2015. REUTERS/Jim Young

21. Attendees at the Midwest FurFest gather for a group photo in the Chicago suburb of Rosemont December 5, 2015. REUTERS/Jim Young