Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on May 26, 2012
Learn more about Gifts of the Crow at http://books.simonandschuster.com/Gif... Watch John Marzluff, author of GIFTS OF THE CROW, demonstrate crows recognizing human faces. From the film "A Murder of Crows" by Susan Flemming, photography by Keith Brust.