Opera Parallèle will continue its 14th anniversary season with the world premiere of “Birds & Balls,” an ingenious pairing of two witty one-act operas regarding sportsmanship, competition, and gender equality. The operas are David T. Little and Royce Vavrek’s “Vinkensport, or The Finch Opera,” Laura Karpman and Gail Collins’s “Balls.” The works will be presented in collaboration with SFJAZZ, “Birds {…}