Amahle doesn't hippopotamiss a step when it comes to developmental milestones. Our 4-month-old floaty river unit has graduated to the deep end of the pool and is strong enough to push herself to the surface. Of course, Mama Fu is never far behind in case she needs an extra boost. #hiphopanonymous #Hippos #SanDiegoZoo #ThrowbackThursday #TBT #behindthescenes