In comparison, this phytoestrogen-filled plant diet doesn't seem to affect reproduction in the one-horned rhinoceros bred in captivity, which doesn't seem to be as sensitive to these plant compounds.

In comparison, this phytoestrogen-filled plant diet doesn't seem to affect reproduction in the one-horned rhinoceros bred in captivity, which doesn't seem to be as sensitive to these plant compounds.

COLUMBUS, Ohio -- A new study shows that captive black rhinos -- but not their wild counterparts -- are at high risk for two common health problems suffered by millions of humans: inflammation and ...

About 30 mature Sumatran rhinos are estimated to be living in the wild. A sanctuary in Indonesia is celebrating the birth of a Sumatran rhino, the most threatened species of rhinoceros in the world.

Rhino poaching persists despite a slight decrease worldwide over the last three years, driven by relentless demand for their horns in East Asia, according to a recent report by TRAFFIC and the IUCN.

If you liked this story, share it with other people. A new report by the IUCN finds that two of the world’s most endangered species are still perilously close to extinction. Javan rhino (Rhinoceros ...

The study receives funding from the European Union’s Horizon 2020 research and innovation programme, the Rufford Foundation, and the People’s Trust for Endangered Species (PTES) Martin Reinhardt ...

Editor’s Note (3/20/18): This article is being resurfaced following the death of Sudan, the world’s last male northern white rhino. Only two females remain, pushing the subspecies closer to extinction ...

This story appears in the October 2016 issue of National Geographic magazine. It was a five-hour drive from South Africa’s Kruger National Park, home of the world’s largest wild rhinoceros population, ...