There is a Nature program on the Coywolf mixed breed that is populating the eastern United States. It airs on1/22/14 at 8 pm on MPT.
http://www.pbs.org/wnet/nature/episodes/meet-the-coywolf/meet-the-coywolf/8605/
http://www.pbs.org/wnet/nature/episodes/meet-the-coywolf/meet-the-coywolf/8605/