Jennifer Ackerman, author of "The Bird Way: A New Look at How Birds Talk, Work, Play, Parent and Think" (Penguin), and David Allen Sibley, author of "What It's Like to Be a Bird: From Flying to Nesting, Eating to Singing - What Birds Are Doing, and Why" (Knopf), discuss their new books with Joel Achenbach, science writer for The Washington Post.
For transcript and more information, visit www.loc.gov/item/webcast-9989