2,    adults,    animals,    artiodactyl,    Artiodactyla,    Babies,    Babys,    bathes,    bathing,    captive,    captivity,    cuddles,    cuddling,    format,    Hippopotamus,    hippos,    laterally,    mammals,    move,    movement,    moves,    outdoors,    outside,    pigmy,    river,    riverside,    shores,    snuggles,    snuggling,    sweetly,    swimming,    swims,