Scientists Build Crocodile-Shaped Boats to Study Hippopotamus Poop...
Researchers at Carnegie Mellon University are stud... ...y of the Masa River in Kenya. Approximately 4,000 hippopotamuses live in that river. On average, a hippo produces...
https://www.neatorama.com/2014/05/23/Scientists-Build-Crocodile-Shaped-Boats-to-Study-Hippopotamus-Poop/
