White rhinoceros

Researchers hope to use the eggs to create viable embryos that can transferred into surrogates since neither animal can carry a pregnancy to term.
Sudan, the world's last male northern white rhino, may not survive much longer, and there's talk of euthanasia.
Meet Vince in the video above and check out photos of more rhinos in the gallery below. Burgers' Zoo in Arnhem, the Netherlands
Tanda, a white rhino at the Tel Aviv Zoological Center has given birth to a male calf named Terkel, the animal blog Zooborns