1) African bull or cow 2) African heavyweight 3) African wader 4) Animal born underwater 5) Animal with a huge yawn 6) Animal with a large bite 7) Animal with a wide yawn 8) Animal with large tusks 9) Aquatic mammal briefly 10) Big zoo attraction 11) Big-mouthed safari beast 12) Congo animal 13) Congo basin denizen Found on https://www.crosswordclues.com/clue/hippo
[Greek woman] Hippo was a Greek woman mentioned by the 1st century AD Latin author Valerius Maximus as an example of chastity. She was also included among the Famous Women written about by Giovanni Boccaccio in the 14th century. ==In Valerius Maximus== Valerius Maximus included the story of Hippo in his Facta et dicta memorabilia as a forei... Found on http://en.wikipedia.org/wiki/Hippo_(Greek_woman)