Coloring Pages Of Hippos. 10 happy hippos, in the water deep. Pups and the very big baby; Coloring & Activity Pages Blu from "Rio" Coloring Page from coloringactivitypages.blogspot.com Can your little scientist draw the homes for these animals? The 12 different pages all have a variety of activities, including tracing, writing, coloring, searching, and cutting and gluing. 4.8 out of 5 stars 238.