And finally tonight we're going to take you to a mysterious place designed to create more life for some of the most beautiful creatures on earth. Public -- believe it or not to the hills of Virginia.... See More
And finally tonight we're going to take you to a mysterious place designed to create more life for some of the most beautiful creatures on earth. Public -- believe it or not to the hills of Virginia. And inside a passionate race against time with ABC's Ron Claiborn. Nobody wants this to disappear you're looking at a three month old clouded leopard cubs -- dazzling liquid blue eyes which will darken so that's one of the secrets of these mysterious -- from Thailand. That are being unlocked by Smithsonian researchers at this little known animal conservation facility and these. Clouded leopard cubs if the hundred -- old. Brother and sister. And their very soft and very friendly. But it might -- they seem to think of another leopard but they're grooming me. The population of clouded leopards has been decimated by hunters and poachers. But here scientists are studying these animals to try to save them one thing they've learned to -- the trees they've got to climb. The lower the -- stress levels and that's helped them to breed. So far they've successfully raised eighty of these magnificent -- Many -- exotic animals will eventually be returned to nature. Like these month old baby black footed ferrets -- all but wiped out the institute has -- and released. Thousands of them these guys can end up in Arizona are they could end up in Kansas. -- double while will be -- over 3000 acres of open space there are African -- Chinese red pandas Micronesia and -- -- White -- -- what comes all these animals the one common denominator is loss of habitat. It's a race against time. Ron Claiborne ABC news Front Royal Virginia.
This transcript has been automatically generated and may not be 100% accurate.