Strangely enough, I actually seem to see more signs of homeless folks on the Skyline trail during the summer (or at least the Desert Museum and a little above, which is as far as I venture during the hot months.) Early in the morning, I often see them coming down or signs they've been there. I think that during the hot months, when many fewer people are on the trail, they feel safer camping up there. I also think the area you are talking about (if we are talking about the same spot--where the trail turns and overlooks Dry Canyon) has an ongoing homeless encampment on the little hill/overlook--I've seen a lot of signs of homeless encampments there, ie. bedrolls, graffiti, discarded clothes and the like. So I think there's a good chance the animal belonged to one of them, though it's strange they would just let the body lie there. You wonder what happened to the owner. Maybe he or she is dead too?

Semi-serious here, but it wouldn't be the first time a homeless person has died or disappeared in this area.
Strange sad story. Whatever the truth, it's a good post in which to remind people, especially solitary hikers, that this trail has an urban trailhead, and there are not infrequently homeless people on the lower portions of Skyline. I have met many very odd and sketchy people (no, not talking about any of us on the board!). If you are on the trail very early in the morning, an encounter with a homeless camper is quite possible (one time I actually woke up a homeless guy sleeping on the trail, and this was at 4000 feet. Another time, I encountered a totally naked man sitting on a rock at 4 am just a few hundred feet above the Desert Museum.) Most are peculiar but harmless (both guys I ran into just mumbled something and obviously wanted to be left alone), but a few are not harmless, so be cautious when alone. For a while there was a somewhat deranged guy who busied himself with 'trail clearing' with a machete (yep, I ran into him too.), there was some creepy dude who set up rock boobytraps by the trails, and I've found drug paraphernalia and some stuff that was freaky and lurid (use your imagination here folks

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If this trail could talk ....
Q: How many therapists does it take to screw in a light bulb? A: Only one, but the light bulb has to want to change ...