Silent Roar: Searching for the Snow Leopard

Most big cats do their best to remain hidden from human eyes, but none are quite as adept at this as the snow leopard. Hard to capture on camera, these rare cats were finally spotted by the filmmakers after over a month of tracking. Watch their tireless efforts in Silent Roar: Searching for the Snow Leopard.

Premiered January 16, 2005

Flight School

At Operation Migration, researchers meticulously train newly-hatched chicks for adulthood and flight using everything from crane costumes to ultralight aircrafts. Follow the whooping cranes’ migration and share the excitement, perils and, in some cases, the heartbreak of the scientists of Operation Migration in Flight School.

Premiered April 11, 2004