Ecologists have long known that agricultural and sewage pollution can cause low oxygen conditions and fish kills in rivers. A new study reports that hippo waste can have a similar effect in Africa's ...

Ecologists have long known that agricultural and sewage pollution can cause low oxygen conditions and fish kills in rivers. A study published today in Nature Communications reports that hippo waste ...

May 16 (UPI) --Hippo excrement is being blamed for fish mortality in Kenya's Mara River. According to a new survey of the hippo population and river health in the Maasai Mara National Reserve, the ...

Hippopotamus excrement could be lethal for river fish, a new study says. In fact, it might be the reason why fish are dying in Kenya's Mara River. A common belief among ecologists is that agricultural ...

In the Mara River in Kenya, an overload of hippo feces can deplete the oxygen in the river water, resulting in mass fish die-offs downstream, a new study has found. Hippo pools are not just ...

Usually, dumping fish-killing garbage into rivers is a human’s job. But hippos seem to be doing it, too, through their routine mass pooping events. At least, that’s what a team of scientists in the ...

(Millbrook, NY) Ecologists have long known that agricultural and sewage pollution can cause low oxygen conditions and fish kills in rivers. A study published today in Nature Communications reports ...