You can find them around the radio tower east of "Calvary Point".
Pop a Hunters syringe to see them around the area. The exact cooridnates are as follows:
X: 557.1, Y: 666.1
A plus is if you kill pigs also in that area they tend to come to you quicker because they like fresh pig meat. --- Part of the Official Gamefaqs Troll Rating Association. (OGTR) *picks up pen and paper*