Track looks like a cat to me as well. It is rounder than the typical canine--though gray fox are accomplished climbers. Canines typically dig into the soil and bury. Cats seem to more often than not just pull ground litter over the carcass.
its either a bobcat or a fox. i'm leaning toward bobcat b/c it covered up the kill. and the print looks like a bobcat, but gray fox has a similar looking print and dont alwyas leaves claw marks. adn they can climb. i think bobcat tho.
a fox will usually just stash it away and come back for it pretty soon. a cat will actually cover it up.
I'd say canine... possibly red fox but I'm leaning towards the rear foot of a dog. Dogs don't always leave claw marks. Here's a good site with lots of prints to compare.
Please Let Us Know What You Find.
I'm Going To Say A Cat Of Some Kind Too. A Think Even A Domestic Dog Wouldn't Leave Its Kill Right There. And No Dogs Don't Always Leave Claw Marks But It Looks Like A Feline Of Some Kind, Especially The Other Evidence.