AFP - The okapi, an African animal so elusive that it was once believed to be a mythical unicorn, has been photographed in the wild for the first time, the Zoological Society of London (ZSL) said Thursday.

According to a new study, one third of amphibian species around the world could become extinct. The impact on our planet could be far-reaching. Daniel Sieberg reports. © 2008 CBS News

Almost half of the world's primate species are facing extinction, a major global assessment has warned. © 2008 BBC

A giant Galapagos tortoise believed to be the sole surviving animal of his kind has mated with a female. © 2008 BBC

Forty percent of captive lowland gorillas are dying from an unexplained heart disease. Scientists are researching the cause and, as Bianca Solorzano reports, the answer may one day help humans. © 2008 CBS News

A tiger cub rejected by her mother in a zoo in Russia has been adopted by a surrogate canine mother. © 2008 BB

Mr. Pal suggests by using a new genetic modified bugs that he is working on, we can solve our current high oil prices. How? It's oil 2.0 he says. A tiny bug as small as a bacteria strand that can eat anything as long such a thing can be broken down int

Julie Chen and Harry Smith discuss a deer with only one horn growing from the top of his head, seen in a wildlife reserve in Italy. The deer, nicknamed "Unicorn," has fantasy fans excited. © 2008 CBS News

After 15 months of pregnancy, Qila the Vancouver Aquarium's 12-year-old beluga whale has given birth to her first calf. © 2008 BBC

Rare footage of the critically endangered Javan rhinoceros has been captured by hidden cameras in the jungles of Indonesia. The conservation group World Wildlife Fund for Nature said the rhinos have appeared twice on cameras installed a month ago in the U