Bigger than coyotes but smaller than wolves, their howl is high-pitched and their diet includes deer and small rodents. They are "coywolves" (pronounced "coy," as in playful, "wolves"), and they are flourishing in the northeastern U.S., according to a study published today in Biology Letters . http://www.scientificamerican.com/blog/post.cfm?id =wylie-
coywolf-the-coyote-wolf-hybri-2009-...