A female Sumatran rhino named Ratu, right, is seen with her newborn calf at Way Kambas National Park in Lampung, Indonesia, June 25, 2012. Ratu, a highly endangered Sumatran rhinoceros, gave birth to the calf Saturday in western Indonesia, a forestry official said. It is only the fifth known birth in captivity for the species in 123 years. (AP Photo)