The foundation, which is based at the White Oak Conservation Center, says only about 17,500 rhinos remain in the wild with another 1,200 living in captivity.

• 据位于（佛罗里达）白橡树保护中心的国际犀牛基金会介绍，目前全球仅存1.；75万只野犀牛及1200只笼养犀牛。