Nabire, a Northern white rhinoceros (Ceratotherium simum cottoni) was one of the last three northern white rhinos left on Earth. She died on Monday, July 27, 2015, just one week after this photo was taken at the Dvur Kralove Zoo. This species is critically endangered, and heading towards extinction.
Harapan, a four-year-old male Sumatran rhino (Dicerorhinus sumatrensis), at White Oak Conservation Center. Critically endangered (IUCN) and federally endangered