1) Adult male cattle 2) Alternatives to mules 3) Animal team 4) Animals in a span 5) Animals in harness 6) Animals in the Augean stables 7) Animals with yokes 8) Anoas and gaurs 9) Aurochs 10) Babe and kin 11) Babe and others 12) Beasts in a span 13) Beasts in a team 14) Beasts in rice paddies 15) Beasts in yokes Found on https://www.crosswordclues.com/clue/oxen