Spotting

Judging by the narrow pelvis and the long metatarsals on the back legs (digitigrade) I would say domestic cat. Could be a raccoon, dog, or bobcat, but that seems the best with what I can see. Here are some references Cat Pelvis: http://vetmed.illinois.edu/courses/imagi...
Cat Skeleton: http://courses.washington.edu/chordate/4...

Thought that was a bird skull now I think it's a hip. If there is no skull most likely poachers.

Wow what a mess! Ha! Do you have any other information on this spotting? Size? Was there a skull? Please also consider adding this to the existing mission: "Identifying Animals Through Osteology: http://www.projectnoah.org/missions/8475...