No main cast listed for this episode.
NOVA — S1E8
Episode: Bird Brain: The Mystery of Bird Navigation
Air Date: 1974-04-21
Runtime: 55 min
Overview
Birds migrate in search of perpetual summer, sometimes traveling as much as 20,000 miles every year. NOVA uses radar to track and identify migrating birds that travel at night, focusing on how they coose routes tat avoid bad weather and make the best of prevailing winds—information that can aid meteorologists.