Chicago TribuneNov 23, 2015One of last 4 northern white rhinos on Earth is euthanizedChicago Tribune - Washington PostIn a single day, the world’s population of northern white rhinos declined by 25 percent. All it took was one last ragged exhalation from a 41-year-old rhino named Nola, one of four of the massive, two-horned animals remaining on Earth. Now there are only three. Nola was euthanized at the San Diego Zoo …
