"No," Liz said, looking scared.  "Wargs never come out alone.  There used to be wild wargs, a few of them, but not anymore.  Now the orcs ride them, like we ride horses."  There were more howls...closer this time.  Rebecca looked at her daughter skeptically.  "I know because Madam Suetrille, the herbalist, told me.  She knows all about animals."