The Hiccupotamus by Aaron Zenz
Hippospotamus by Jeanne Willis
Share some fun facts about hippos from either of the following:
For the opportunity of listening to real hippo sounds, go to https://www.youtube.com/watch?v=bVdm2xBL6GY.
Collect some images of real hippos for sharing in your storytime. Make sure you get some images of babies!