A distinguished scientist reveals how we are losing the world's songbirds, why this predicts widespread environmental problems, and what we can do to save the birds and their habitats.
Wood thrush, bobolinks, the Eastern kingbird - migratory songbirds are disappearing at a frightening rate. Following the birds on their 6,000-mile migratory journey, renowned biologist Bridget Stutchbury leads us on an ecological field trip to explore firsthand their major threats, and reveals what a vital part of our ecosystem they are.