Traveling with elders helps whooping cranes fly straight
Birds get more efficient the more they migrate
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2013/08/sm_mueller3HR.jpg?fit=860%2C460&ssl=1)
THIS WAY PLEASE Captive-bred whooping cranes get an escort for their first try at migration from an ultralight aircraft. On later migrations though, youngsters get a boost traveling with older birds.
© Operation Migration USA Inc.; Photographer: Joe Duff