Collection of favorite children's songs.

Waterholes are vital to the African ecosystem; bustling oases where elephants, lions, leopards and hundreds of other species meet and compete for water. But little is known about how they support so much life. Now the Mwiba Wildlife Reserve and local communities in Tanzania are building the world's first waterhole with a built-in specialized camera rig. With half-submerged and weather-proofed remote cameras, Dr. M. Sanjayan (EARTH: A New Wild) leads...