Helpful Hannah Hippo

“Does anyone know who this little chick belongs to?” Hannah sets out to help a friend who is lost and on the way learns about the world around her. She meets lots of different creatures while on a journey at the hippo pools.

Dino J. Martins is a Kenyan entomologist and evolutionary biologist with a PhD in Organismic and Evolutionary Biology from Harvard University. He is a research scholar and lecturer in Ecology and Evolutionary Biology at Princeton University, and the executive director of the Mpala Research Centre...