A Sumatran rhino calf born in Indonesia adds to an endangered species of fewer than 50 animals
A Sumatran rhino has given birth to a male calf in Indonesia, a welcome addition to a critically endangered species that numbers fewer than 50 animals. The mother, Delilah, gave birth Saturday at a national park sanctuary on Sumatra. The calf's father is Harapan, who was born at the Cincinnati Zoo in 2006...