Furry fandom--an adult social group interested in anthropomorphic animals in art, literature and culture--has grown since the 1980s to include an estimated 50,000 "furries." Their largest annual convention drew more than 6,000 attendees in 2015, including 1,000 dressed in "fur suits" or mascot-type animal costumes. Conventions typically include awards, organizations, art, literature and movies, encompassing a wide range of creative pursuits beyond...