Members of the wolf family howl, some like coyotes in shorter varied bursts, others like the European grey wolf in a long tonal call. Now, University of Cambridge researchers have found that different types of howls and their preference for use are identifiable as a dialects. Study author Arik Kershenbaum speaks with host Steve Curwood about the finding and how this could be used for management of wolves. (published February 19, 2016)