National Geographic : 2006 Jun
PHOTOJ0URNAL JOEL SARTORE Distemper ravaged the last known wild population of black-footed ferrets in the 1980s. Survivors were moved to Wyoming's Sybille Canyon captive-breeding facility, where this one (above) was photographed. A California condor (below) is proof that such programs work. Brought back from the brink, the birds are now found again in the wild.