Uploaded September 2013 | Updated September 2026, 3 days ago

---

A network of hundreds of muscles, ligaments, and tendons are required for flight. In this sequence from FLIGHT: THE GENIUS OF BIRDS the structure and design of a snow goose's primary flight muscles (the engines that elevate and drive it through the air) are demonstrated in stunning detail.
The DVD & Blu-ray are available for purchase now - visit illustramedia.com for more information. Use Coupon Code YTIM15 to save 15%!