Soaring the Thermals
Season 4 Episode 8 | 28m
It's a bird, it's a plane, it's Willem? Join host Willem Lange as he glides the thermals demonstrating the science of effortless flight for hawks and other soaring birds. This program is only a small part of a feature documentary where Willem explores the migration of the broad-winged hawk from New Hampshire to South America.
Aired: 11/15/10
