hippopotamus, hippo, river horse, Hippopotamus amphibius
['dam, dike, dyke', 'coho, cohoe, coho salmon, blue jack, silver salmon, Oncorhynchus kisutch', 'hare', 'European gallinule, Porphyrio porphyrio', 'African grey, African gray, Psittacus erithacus', 'black stork, Ciconia nigra', 'bighorn, bighorn sheep, cimarron, Rocky Mountain bighorn, Rocky Mountain sheep, Ovis canadensis']