In the latter half of the 20th century, black rhino populations decreased by 96 percent. By 1993, only about 2,300 remained in the wild. European colonizers dealt the first major blow to black rhinos ...

A black dehorned rhinoceros is followed by a calf on August 3, 2012 at the Bona Bona Game Reserve, southeast of Johannesburg, South Africa. The western black rhino subspecies (not pictured) has ...

Black rhino populations are starting to thrive in Zimbabwe for the first time in decades, experts say. One orphaned calf is flourishing after being re-released into a preserve.