Traveling with elders helps whooping cranes fly straight

Birds get more efficient the more they migrate

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

Here’s a lesson on road trips from whooping cranes: For efficient migration, what matters is the age of the oldest crane in the group.