Secrets and Mysteries of Bats - Nature Documentary

Secrets and Mysteries of Bats - Nature Documentary This 48-minute documentary explores the world of bats and the scientists who study them -- including the late Donald Griffin, a Harvard zoologist who was the first to describe their echolocation ability in the 1940s. Using 3-D graphics to recreate the bats' acoustic vision and shooting with infra-red and high-speed cameras, this film offers an exhilarating "bats-eye" journey into the night.