Little Simba couldn't wait to check it out. The toy poodle was among the first to try a special bathroom just for animals at New York's John F. Kennedy International Airport, among a growing number of "pet relief facilities" being installed at major air hubs across the nation. "There's a fire hydrant in there!" Simba's owner, Heidi Liddell, announced as she opened the pawprint-marked door between the men's and women's rooms.