Big Birds Can't Fly - Preview
Preview: Season 34 Episode 3 | 38s
It may seem strange that among the more than 10,000 bird species in the world today is a group that literally cannot fly or sing, and whose wings are more fluff than feather. These are the ratites: the ostrich, emu, rhea, kiwi and cassowary. How and why these birds abandoned flight has puzzled scientists since Darwin’s time, but DNA and dedicated research are helping to solve these mysteries.
The full episode is no longer available for online streaming. Why?
Please continue to enjoy extra(s) from this episode. The full episode is still available for purchase through the "Buy Now" links.
Problems Playing Video?
Major support for NATURE is provided by the Arnhold Family in memory of Henry and Clarisse Arnhold, Sue and Edgar Wachenheim III, the Kate W. Cassidy Foundation, the Lillian Goldman Charitable Trust, Kathy Chiao and Ken Hao, the Anderson Family Fund, the Filomen M. D’Agostino Foundation, Rosalind P. Walter, the Halmi Family in memory of Robert Halmi, Sr., Sandra Atlas Bass, Doris R. and Robert J. Thomas, the Hite Foundation, Charles Rosenblum, the Arlene and Milton D. Berkman Philanthropic Fund, the Sun Hill Family Foundation, the M. & H. Sommer Foundation, Ron Hull, the Bradley L. Goldberg Family Foundation, by the Corporation for Public Broadcasting, by PBS, and by Viewers Like You.