A whooping crane family (Klaus Nigge / U.S. Fish and Wildlife Service Headquarters / Flickr)

Bird experts from around the world are flocking to a Chicago Audubon Society event in Chicago this weekend. We speak with conservationist George Archibald, who delivers the keynote speech at event.

Conservationist George Archibald and a crane named Tex. (Photo courtesy of the International Crane Foundation)

Conservationist George Archibald has spent his life working to bring cranes back from the brink of extinction. He joins “Chicago Tonight” to talk about his groundbreaking work which has been recognized around the world.