By Dr. Karen Shaw Becker Wolves are fascinating creatures. Known for their eerie-sounding howls, superb hunting skills and ability to thrive in a wide variety of habitats, wolves have nevertheless become remarkably scarce, and one variety's apparent inability to thrive in the wild is particularly disheartening. The red wolf, described as a smaller, thinner version of the gray wolf only with a reddish cast to their coats, is the only species indigenous to the U.S. Red wolves (