From Yellowstone to the Yukon, to Southern Africa's elephant highways stretching across five nations, explore how newly established wildlife corridors may offer a glimmer of hope to some of our planet's most cherished-but endangered-species.

Documentary. Originally produced as an episode of the television series: Nova. Running time indicated on container: approximately 60 minutes; actual running time: 54 minutes. "Saving wildlife with protected corridors"--container.

Preview --The great migration -- Lions and tigers and bears -- Corridors of nature -- Roads more travelled by -- Conservation in Southern africa.