The International Rhino Foundation (IRF) have announced the rare pregnancy of Ratu, one of the four Sumatran rhinos living at the Sumatran Rhino Sanctuary in Way Kambas National Park, Indonesia. Sumatran rhinos are a critically endangered species, with no more than 200 individuals left in the wild. Click here to read the press release with additional comments by Save the Rhino’s Director, Cathy Dean.