Cricket Has World's Biggest Testicles (But Puny Output)

Cricket Has World's Biggest Testicles (But Puny Output): "The sperm-producing organs account for 14 percent of the body mass of males of this bushcricket species. The previous record holder's testicles—belonging to the fruit fly Drosophila bifurca—tipped the scales at about 11 percent of its body mass."