This is a very quirky and interesting photo. Camouflage jammies, a twisted beard, a face we can't see and an animal's skull. I don't know what to make of it but it's very well photographed. I just don't see how it relates to sloth.
Oh, I love a man in PINK camo!!! :P I like the silhouette of the face a 'stache, but wish I could see a tiny bit more of the facial features. The brightness of the skull and the dark face are (IMHO) a bit too stark a contrast. :)
I can think of two explanations here; 1, the animal was so lazy and slow it simply died through lack of looking after itself, in which case showing it lying outside somewhere might've made more sense; or 2, the person is a hunter and caught the animal because it was slothful. Either way, not sure the guy's outfit works.