WoWDB

My experience finds that these guys are one of those battle pets whose spawn is tied to other battle pets/critters in the area. I went to Winterspring to level up some pets and killed whatever I found outside the walls of Everlook. After about twenty minutes, one of these guys spawned a little SW of the town, near the sign with Bronn Fitzwrench. I also found one near the flightpoint NE of town a few minutes later. Good luck!