1) About half of all species 2) About half of us 3) All 43 presidents 4) All CIA directors, to date 5) All NFL players 6) Almost half of the human race 7) Almost half the people 8) Average Joes 9) Blokes 10) Boars and bulls 11) Boys and men 12) Buck and bull 13) Buck and drake 14) Buck and tom 15) Bucks and bulls 1) He`s 2) Men