Attendees at the Midwest FurFest gather for a group photo in the Chicago suburb of Rosemont, Illinois, United States, December 5, 2015. Over 5000 people gathered to follow the Furry Fandom based on anthropomorphic animals, animated cartoon characters with human characteristics, or “Furries”. (Photo by Jim Young/Reuters)





An attendee wearing a "fursuit" costume walks down the stairs at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





Attendees dressed in "fursuit" costumes dance in the hallway at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





Attendees wearing "fursuit" costumes raise their hands to answer a question during a lecture at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





An attendee dressed in a '"fursuit" costume takes part in a dance class at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





The heads for "fursuit" costumes are piled up on a table in a lounge area at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





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, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





An attendee listens during a workshop at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





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. (Photo by Jim Young/Reuters)





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, United States, December 4, 2015. (Photo by Jim Young/Reuters)





Cassie Fisher lays on the floor surrounded by attendees dressed up as "Furries" at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





A man is hugged by an attendee dressed up in a "fursuit" costume at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





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, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





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, United States, December 5, 2015. (Photo by Jim Young/Reuters)





Spectators watch an attendee dressed in a "fursuit" costume perform in dance competition at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





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, Illinois, United States, December 5, 2015. (Photo by Jim Young/Reuters)





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, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





An attendee in a "fursuit" costume looks on during a lecture at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





A man kisses a participant dressed in a "fursuit" at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





An attendee checks his phone at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





Attendees at the Midwest FurFest gather for a group photo in the Chicago suburb of Rosemont, Illinois, United States, December 5, 2015. (Photo by Jim Young/Reuters)





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, Illinois, United States, December 5, 2015. (Photo by Jim Young/Reuters)





An attendee in "fursuit" costume looks at her phone at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)





An attendee dressed in a "fursuit" costume performs during a dance competition at the Midwest FurFest in the Chicago suburb of Rosemont, Illinois, United States, December 4, 2015. (Photo by Jim Young/Reuters)