What Feathers Tell Us about Birds and Flight

Сезон 1, серия 3: Delve into the wonder of bird feathers, beginning with the anatomy and function of flight feathers, as they provide propulsion and lift. Study four categories of wing design, serving functions from maneuverability and distance flying to high speed and soaring. Learn how to identify birds by their feathers found in the wild, and about the information that feathers reveal.