How do animals know where to go? How do they find the way back to the place of their birth over thousands of miles of air and sea? Some animals, such as Arctic tern, return within inches of their hatching site. Without instrumentation, humans cannot duplicate their feats. Sir David Attenborough narrates this program about the miracle of animal migration, which is one in a series of twelve
Trials of Life programs about nature. ~ Leslie Birdwell, All Movie Guide